F25L016A ESMT | Alldatasheet
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Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 1/31 16Mbit (2Mx8) 3V Only Serial Flash Memory FEATURES y Single supply voltage 2.7~3.6V y Speed - Read max frequency : 33MHz - Fast Read max frequency : 50MHz;100MHz y Low power consumption - typical active current - 15 μA typical standby current y Reliability - 100,000 typical program/erase cycles - 20 years Data Retention y Program - Byte program time 7 μs(typical) y Erase - Chip erase time 10s(typical) - Sector erase time 60ms(typical) block erase time 1sec (typical) y Auto Address Increment (AAI) WORD Programming - Decrease total chip programming time over Word-Program operations y SPI Serial Interface - SPI Compatible : Mode 0 and Mode3 y End of program or erase detection y Write Protect ( WP ) y Hold Pin ( HOLD ) y Package available - 8-pin SOIC 200-mil
ORDERING INFORMATION
Part No. Speed Package COMMENTS F25L016A –50PAG 50MHz 8 lead SOIC 200mil Pb-free F25L016A –100PAG 100MHz 8 lead SOIC 200mil Pb-free GENERAL DESCRIPTION The F25L016A is a 16Megablt, 3V only CMOS Serial Flash memory device organized as 2M bytes of 8 bits. This device is packaged in 8-lead SOIC 200mil. ESMT’s memory devices reliably store memory data even after 100,000 program and erase cycles. The F25L016A features a sector erase architecture. The device memory array is divided into 512 uniform sectors with 4K byte each ; 32 uniform blocks with 64K byte each. Sectors can be erased individually without affecting the data in other sectors. Blocks can be erased individually without affecting the data in other blocks. Whole chip erase ca pabilities provide the flexibility to revise the data in the device. The sector protect/unprotect feat ure disables both program and erase operations in any combin ation of the sectors of the memory.
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 2/31 PIN CONFIGURATIONS 8-PIN SOIC PIN Description Symbol Pin Name Functions SCK Serial Clock To provide the timing for serial input and output operations SI Serial Data Input To transfer commands, addresses or data serially into the device. Data is latched on the rising edge of SCK. SO Serial Data Output To transfer data serially out of the device. Data is shifted out on the falling edge of SCK. CE Chip Enable To activate the device when CE is low. WP Write Protect The Write Protect ( WP ) pin is used to enable/disable BPL bit in the status register. HOLD Hold To temporality stop serial communication with SPI flash memory without resetting the device. VDD Power Supply To provide power. VSS Ground 1 8 2 7 3 6 4 5 VDD HOLD SCK SI CE SO WP VSS
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 3/31 SECTOR STRUCTURE Table1 : F25L016A Sector Address Table Block Address Block Sector Sector Size (Kbytes) Address range A20 A19 A18 A17 A16 511 4KB 1FF000H – 1FFFFFH : : : 496 4KB 1F0000H – 1F0FFFH 1 1 1 1 1 495 4KB 1EF000H – 1EFFFFH : : : 480 4KB 1E0000H – 1E0FFFH 1 1 1 1 0 479 4KB 1DF000H – 1DFFFFH : : : 464 4KB 1D0000H – 1D0FFFH 1 1 1 0 1 463 4KB 1CF000H – 1CFFFFH : : : 448 4KB 1C0000H – 1C0FFFH 1 1 1 0 0 447 4KB 1BF000H – 1BFFFFH : : : 432 4KB 1B0000H – 1B0FFFH 1 1 0 1 1 431 4KB 1AF000H – 1AFFFFH : : : 416 4KB 1A0000H – 1A0FFFH 1 1 0 1 0 415 4KB 19F000H – 19FFFFH : : : 400 4KB 190000H – 190FFFH 1 1 0 0 1 399 4KB 18F000H – 18FFFFH : : : 384 4KB 180000H – 180FFFH 1 1 0 0 0 383 4KB 17F000H – 17FFFFH : : : 368 4KB 170000H – 170FFFH 1 0 1 1 1 367 4KB 16F000H – 16FFFFH : : : 352 4KB 160000H – 160FFFH 1 0 1 1 0 351 4KB 15F000H – 15FFFFH : : : 336 4KB 150000H – 150FFFH 1 0 1 0 1 335 4KB 14F000H – 14FFFFH : : : 320 4KB 140000H – 140FFFH 1 0 1 0 0
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 4/31 Block Address Block Sector Sector Size (Kbytes) Address range A20 A19 A18 A17 A16 319 4KB 13F000H – 13FFFFH : : : 304 4KB 130000H – 130FFFH 1 0 0 1 1 303 4KB 12F000H – 12FFFFH : : : 288 4KB 120000H – 120FFFH 1 0 0 1 0 287 4KB 11F000H – 11FFFFH : : : 272 4KB 110000H – 110FFFH 1 0 0 0 1 271 4KB 10F000H – 10FFFFH : : : 256 4KB 100000H – 100FFFH 1 0 0 0 0 255 4KB 0FF 000H – 0FFFFFH : : : 240 4KB 0F0000H – 0F0FFFH 0 1 1 1 1 239 4KB 0EF000H – 0EFFFFH : : : 224 4KB 0E0000H – 0E0FFFH 0 1 1 1 0 223 4KB 0DF000H – 0DFFFFH : : : 208 4KB 0D0000H – 0D0FFFH 0 1 1 0 1 207 4KB 0CF000H – 0CFFFFH : : : 192 4KB 0C0000H – 0C0FFFH 0 1 1 0 0 191 4KB 0BF000H – 0BFFFFH : : : 176 4KB 0B0000H – 0B0FFFH 0 1 0 1 1 175 4KB 0AF000H – 0AFFFFH : : : 160 4KB 0A0000H – 0A0FFFH 0 1 0 1 0 159 4KB 09F000H – 09FFFFH : : : 144 4KB 090000H – 090FFFH 0 1 0 0 1 143 4KB 08F000H – 08FFFFH : : : 128 4KB 080000H – 080FFFH 0 1 0 0 0
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 5/31 127 4KB 07F000H – 07FFFFH : : : 112 4KB 070000H – 070FFFH 0 0 1 1 1 111 4KB 06F000H – 06FFFFH : : : 96 4KB 060000H – 060FFFH 0 0 1 1 0 95 4KB 05F000H – 05FFFFH : : : 80 4KB 050000H – 050FFFH 0 0 1 0 1 79 4KB 04F000H – 04FFFFH : : : 64 4KB 040000H – 040FFFH 0 0 1 0 0 63 4KB 03F000H – 03FFFFH : : : 48 4KB 030000H – 030FFFH 0 0 0 1 1 47 4KB 02F000H – 02FFFFH : : : 32 4KB 020000H – 020FFFH 0 0 0 1 0 31 4KB 01F000H – 01FFFFH : : : 16 4KB 010000H – 010FFFH 0 0 0 0 1 15 4KB 00F000H – 00FFFFH : : : 0 4KB 000000H – 000FFFH 0 0 0 0 0
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 6/31 Table2 : F25L016A Block Protection Table TOP Status Register Bit Protected Memory Area Protection Level BP2 BP1 BP0 Block Range Address Range 0 0 0 0 None None Upper 1/32 0 0 1 Block 31 1F0000H – 1FFFFFH Upper 1/16 0 1 0 Block 30~31 1E0000H – 1FFFFFH Upper 1/8 0 1 1 Block 28~31 1C0000H – 1FFFFFH Upper 1/4 1 0 0 Block 24~31 180000H – 1FFFFFH Upper 1/2 1 0 1 Block 16~31 100000H – 1FFFFFH All Blocks 1 1 0 Block 0~31 000000H – 1FFFFFH All Blocks 1 1 1 Block 0~31 000000H – 1FFFFFH BOTTOM Status Register Bit Protected Memory Area Protection Level BP2 BP1 BP0 Block Range Address Range 0 0 0 0 None None Bottom 1/32 0 0 1 Block 0 000000H – 00FFFFH Bottom 1/16 0 1 0 Block 0~1 000000H – 01FFFFH Bottom 1/8 0 1 1 Block 0~3 000000H – 03FFFFH Bottom 1/4 1 0 0 Block 0~7 000000H – 07FFFFH Bottom 1/2 1 0 1 Block 0~15 000000H – 0FFFFFH All Blocks 1 1 0 Block 0~31 000000H – 1FFFFFH All Blocks 1 1 1 Block 0~31 000000H – 1FFFFFH Block Protection (BP2, BP1, BP0) The Block-Protection (BP2, BP1, BP0) bits define the size of the memory area, as defined in Table2 to be software protected against any memory Write (Progr am or Erase) operations. The Write-Status-Register (WRSR) instruction is used to program the BP2, P1, BP0 bits as long as WP is high or the Block-Protection-Look (BPL) bit is 0. Chip-Erase can only be executed if Block-Protection bits are all 0. After power-up, BP2, BP1 and BP0 are set to1. Block Protection Lock-Down (BPL) WP pin driven low (V IL), enables the Block-Protection -Lock-Down (BPL) bit. When BPL is set to 1, it prevents any further alteration of the BPL, BP2, BP1, and BP0 bits. When the WP pin is driven high (V IH), the BPL bit has no effect and its value is “Don’t Care”. After power-up, the BPL bit is reset to 0.
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 7/31 FUNTIONAL BLOCK DIAGRAM Address Buffers and Latches X-Decoder Flash Y-Decoder I/O Butters and Data Latches Serial Interface Control Logic CE SCK SI WPSO HOLD
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 9/31 Status Register The software status register provides status on whether the flash memory array is available for any Read or Write operation, whether the device is Write enabled, and the state of the memory Write protection. During an inter nal Erase or Program operation, the status register may be read only to determine the completion of an operation in progress. Table 4 describes the function of each bit in the software status register. TABLE 4: SOFTWARE STATUS REGISTER Bit Name Function Default at Power-up Read/Write
0 BUSY 1 = Internal Write operation is in progress
0 = No internal Write operation is in progress 0 R
1 WEL 1 = Device is memory Write enabled
0 = Device is not memory Write enabled 0 R
2 BP0 Indicate current level of block write protection (See Table 5) 1 R/W
3 BP1 Indicate current level of block write protection (See Table 5) 1 R/W
4 BP2 Indicate current level of block write protection (See Table 5) 1 R/W
5 RESERVED Reserved for future use 0 N/A
6 AAI
Auto Address Increment WORD Programming status 1 = AAI programming mode 0 = Byte-Program mode 0 R
7 BPL 1 = BP2,BP1,BP0 are read-only bits
0 = BP2,BP1,BP0 are read/writable 0 R/W Note1 : Only BP0,BP1,BP2 and BPL are writable Note2 : All register bits are volatility Note3 : All area are protected at power-on (BP2=BP1=BP0=1) Busy The Busy bit determines whether there is an internal Erase or Program operation in progress. A “1” for the Busy bit indicates the device is busy with an operation in progress. A “0” indicates the device is ready for the next valid operation. Write Enable Latch (WEL) The Write-Enable-Latch bit indicate s the status of the internal memory Write Enable Latch. If the Write-Enable-Latch bit is set to “1”, it indicates the device is Write enabled. If the bit is set to “0” (reset), it indicates the device is not Write enabled and does not accept any memory Write (Program/ Erase) commands. The Write-Enable-Latch bit is autom atically reset under the following conditions:
- Power-up
- Write-Disable (WRDI) instruction completion
- Byte-Program instruction completion
- Auto Address Increment (AAI) programming is completed or reached its highest unprotected memory address
- Sector-Erase instruction completion
- Block-Erase instruction completion
- Chip-Erase instruction completion
- Write-Status-Register instructions
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 10/31 Instructions Instructions are used to Read, Write (Erase and Program), and configure the F25L016A. The instru ction bus cycles are 8 bits each for commands (Op Code), data, and addresses. Prior to executing any Byte-Program, Sector-Erase, Block-Erase, or Chip-Erase instructions, the Wr ite-Enable (WREN) instruction must be executed first. The complete list of the instructions is provided in Table 5. All instructions are synchronized off a high to low transition of CE . Inputs will be accepted on the rising edge of SCK starting with the most significant bit. CE must be driven low before an instruction is entered and must be driven high after the last bit of the instruction has been shifted in (except for Read, Read-ID and Read-Status-Register instructions). Any low to high transition on CE , before receiving the last bit of an instruction bus cycle, will terminate the instruction in progress and return the device to the standby mode. Instruction commands (Op Code), addresses, and data are all input from the most significant bit (MSB) first. TABLE 5: DEVICE OPERATION INSTRUCTIONS Bus Cycle 1 2 3 4 5 6 Cycle Type/ Operation1,2 Max Freq SIN S OUT SIN SOUT SIN SOUT S IN S OUT S IN S OUT SIN SOUT Read 33 MHz 03H Hi-Z A 23-A16 Hi-Z A 15-A8 Hi-Z A 7-A0 Hi-Z X D OUT High-Speed-Read 0BH Hi-Z A 23-A16 Hi-Z A 15-A8 Hi-Z A 7-A0 Hi-Z X X X D OUT Sector-Erase4,5 (4K Byte) 20H Hi-Z A 23-A16 Hi-Z A 15-A8 Hi-Z A 7-A0 Hi-Z - - - - Block-Erase (64K Byte) D8H Hi-Z A 23-A16 Hi-Z A 15-A8 Hi-Z A 7-A0 Hi-Z - - - - Chip-Erase6 60H Byte-Program5 02H Hi-Z A 23-A16 Hi-Z A 15-A8 Hi-Z A 7-A0 Hi-Z D IN Hi-Z - - (AAI) Single-WORD Program5,6 ADH Hi-Z A 23-A16 Hi-Z A 15-A8 Hi-Z A 7-A0 Hi-Z D IN0 Hi-Z D IN1 Hi-Z Read-Status-Register (RDSR) 05H Hi-Z X D OUT - Note 7 - Note 7 - Note 7 - - Enable-Write-Status-Register Write-Status-Register (WRSR) 8 01H Hi-Z Data Hi-Z - - -. - - - - - Write-Enable (WREN) 11 06H Hi-Z - - - - - - - - - - Write-Disable (WRDI) 04H Hi-Z - - - - - - - - - - Read-Electronic-Signature (RES) ABH Hi-Z X 14H - - - - - - - - 20H(Top)Jedec-Read-ID (JEDEC-ID) 10 9FH Hi-Z X 8CH X 21H(Bottom) X 15H - - - - 90H (A0=0) 8CH 14HRead-ID (RDID) 50MHz 100MHz 90H (A0=1) Hi-Z A 23-A16 Hi-Z A 15-A8 Hi-Z A 7-A0 Hi-Z X 14H X 8CH Enable SO to output RY/BY# Status during AAI (EBSY) - 70H Hi-Z - - - - - - - - - - Disable SO to output RY/BY# Status during AAI (DBSY) - 80H Hi-Z - - - - - - - - - - 1. Operation: S IN = Serial In, SOUT = Serial Out 2. X = Dummy Input Cycles (V IL or VIH); - = Non-Applicable Cycles (Cycles are not necessary) 3. One bus cycle is eight clock periods. 4. Sector addresses: use AMS- A12, remaining addresses can be VIL or VIH 5. Prior to any Byte-Program, Sector-Erase , Block-Erase ,or Ch ip-Erase operation, the Write-Enable (WREN) instruction must be executed. 6. To continue programming to the next se quential address location, enter the 8-bit command, ADH, followed by the data to be programmed. 7. The Read-Status-Register is continuo us with ongoing clock cycles until terminated by a low to high transition on CE . 8. The Enable-Write-Status-Register (EWSR) instruction and the Write-Status-Register (WRSR) instruction must work in conjunction of each other. The WRSR instruction must be executed immediately (very next bus cycle) after the EWSR instruction to make both instructions effective. 9. The Read-Electronic-Signature is contin uous with on going clock cycles until terminated by a low to high transition on CE . 10. The Jedec-Read-ID is output first byte 8CH as manufacture ID ; second byte 20H as top memory type and second byte 21H as
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 11/31 bottom memory type ; third byte 15H as memory capacity. 11. The Write-Enable (WREN) instruction and the Write-Status-Register (WRSR) instruction must work in conjunction of each other. The WRSR instruction must be executed immediately (very next bus cycle) after the WREN instruction to make both instructions effective. Both EWSR and WREN can enable WRSR, user just need to execute one of it. A successful WRSR can reset WREN. Read (33 MHz) The Read instruction supports up to 33 MHz, it outputs the data starting from the specified a ddress location. The data output stream is continuous through all addresses until terminated by a low to high transition on CE . The internal address pointer will automatically increment until the highest memory address is reached. Once the highest memory address is reached, the address pointer will automatically increment to the beginning (wrap-around) of the address space, i.e. for 16Mbit density, once the data from address location 1FFFFFH had been read, the next output will be from address location 00000H. The Read instruction is initiat ed by executing an 8-bit command, 03H, followed by address bits [A 23-A0]. CE must remain active low for the duration of the Read cycle. See Figure 2 for the Read sequence. Figure 2 : READ SEQUENCE CE SCK SI 1 2 3 4 5 6 7 8 15 16 23 24 31 32 39 40 47 48 55 56 63 64 70 N+4 DOU T N+3 DOUT N+2 DOUT N+1 D OUT N DOUT MSB MSBMSB HIGH IMPENANCE SO MODE3 MODE1 ADD. ADD. ADD.
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 12/31 Fast-Read (50 MHz ; 100 MHz) The High-Speed-Read instruction supporting up to 100 MHz is initiated by executing an 8-bit command, 0BH, followed by address bits [A23-A0] and a dummy byte. CE must remain active low for the duration of the High- Speed-Read cycle. See Figure 3 for the High-Speed-Read sequence. Following a dummy byte (8 clocks input dummy cycle), the High-Speed-Read instruction output s the data starting from the specified address location. The data output stream is continuous through all addresses until terminated by a low to high transition on CE . The internal address pointer will automatically increment until the highest memory address is reached. Once the highest memory address is reached, the address pointer will automatically increment to the beginning (wrap-around) of the address space, i.e. for 16Mbi t density, once the data from address location 1FFFFFH has been read, the next output will be from address location 000000H. Figure 3 : HIGH-SPEED-READ SEQUENCE CE SCK SI 0 1 2 3 4 5 6 7 8 1 51 6 2 32 4 3 13 2 3 94 0 4 74 8 55 56 63 64 80 N+4 DOU T N+ 3 DOU T N+2 DOUT N+1 D OUT N DOU T MSB MSBMSB HIGH IMPENANCESO 0B ADD. ADD. A DD. MODE3 MODE0 71 72 X Note : X = Dummy Byte : 8 Clocks Input Dummy (VIL or VIH)
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 13/31 Byte-Program The Byte-Program instruction pr ograms the bits in the selected byte to the desired data. The selected byte must be in the erased state (FFH) when initiating a Program operation. A Byte-Program instruction applied to a protected memory area will be ignored. Prior to any Write operation, the Write-Enable (WREN) instruction must be executed. CE must remain active low for the duration of the Byte-Program instruction. The Byte-Program instruction is initiated by executing an 8-bit command, 02H, followed by address bits [A 23-A0]. Following the address, the data is input in order from MSB (bit 7) to LSB (bit 0). CE must be driven high before the instructi on is executed. The user may poll the Busy bit in the software stat us register or wait TBP for the completion of the internal self -timed Byte-Program operation. See Figure 4 for the Byte-Program sequence. Figure 4 : BYTE-PROGRAM SEQUENCE CE SCK SI 012345678 1 5 1 6 2 3 2 4 3 1 3 2 39 LSBMSBMSB HIGH IMPENANCESO 02 A DD. ADD. A DD. MODE3 MODE0 DIN MSB
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 14/31 Auto Address Increment (AAI) WORD Program The AAI program instruction allows multiple bytes of data to be programmed without re-i ssuing the next sequential address locat ion. This feature decreases total programming time when the multiple bytes or entire memory array is to be programmed. An AAI progra m instruction pointing to a protected memory area will be ignored. The selected address range must be in the erased state (FFH) w hen initiating an AAI program instruction. Wh ile within AAI WORD programming sequence, t he only valid instructions are AAI WORD program operation, RDSR, WRDI. Users have three options to determine the completion of each AAI WORD program cycle: hardware detection by reading the SO; software detection by polling the BUSY in the software status register or wait T BP. Refer to End-of-Write Detection section for details. Prior to any write operation, the Write-Enable (WREN) instruction must be executed. The AAI WORD program instruction is initiated by executing an 8-bit command, ADH, followed by address bits [A 23-A0]. Following the addresses, two byte s of data is input sequentially. The data is input sequentially from MSB (bit 7) to LSB (bit 0) . The first byte of data(DO) will be programmed into the initial address [A23-A1] with A 0 =0; The second byte of data(D1) will be programmed into the initial address [A 23-A1] with A 0 =1. CE must be driven high before the AAI WORD program instruction is executed. The us er must check the BUSY status before entering t he next valid command. Once the device indicates it is no longer busy, data for next two sequential addresses may be programmed and so on. When the last desired byte had been entered, c heck the busy status using the hardware met hod or the RDSR instruction and execute the WRDI instruction, to terminate AAI. User mu st check busy status after WRDI to determi ne if the device is ready for any command. Please refer to Figures 7 and Figures 8. There is no wrap mode during AAI programming; once the highest unprotected memory address is reached, the device will exit AAI operation and reset the Write-Enable-Latch bit (WEL = 0) and the AAI bit (AAI=0). End of Write Detection There are three methods to determine completion of a program cycle during AAI WORD programming: hardware detection by reading the SO, software detection by polling the BUSY bit in the Software Status Register or wait TBP. The hardware end of write detection method is described in the section below. Hardware End of Write Detection The hardware end of write detection method eliminates the overhead of polling the BUSY bit in the software status register during an AAI Word PROGRAM OPERATION. The 8bit command, 70H, configures the SO to indicate Flash Busy status during AAI WORD programming (refer to figure5). The 8bit command, 70H, must be executed prior to executing an AAI WORD program instruction. Once an internal programming operation begins, asserting CE will immediately drive the status of the internal flash status on the SO pin. A “0” Indicates the device is busy ; a “1” Indicates the device is ready for the next instruction. De-asserting CE will return the SO pin to tri-state. The 8bit command, 80H,disables the SO pin to output busy status during AAI WORD program operation and return SO pin to output software register data during AAI WORD programming (refer to figure6). FIGURE 5 : ENABLE SO AS HARDWARE BY/RY FIGURE 6 : DISABLE SO AS HARDWARE BY/RY DURING AAI PROGRAMMING DURING AAI PROGRAMMING
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 16/31 64K-Byte Block-Erase The 64K Byte Block-Erase instruction clears all bits in the selected block to FFH. A Block-Erase instruction applied to a protected memory area will be ignored. Prior to any Write operation, the Write-Enable (W REN) instruction must be executed. CE must remain active low for the duration of the any command sequence. The Block-Eras e instruction is initiated by executing an 8-bit command, D8H, followed by address bits [A23-A0]. Address bits [A MS-A16] (AMS = Most Significant address) are used to determine the block address (BA X), remaining address bits can be VIL or VIH. CE must be driven high before the instruction is executed. The us er may poll the Busy bit in the software status register or wait TBE for the completion of the internal self-timed Block-Eras e cycle. See Figure 9 for the Block-Erase sequence. FIGURE 9 : 64-KBYTE BLOCK-ERASE SEQUENCE
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 17/31 4K-Byte-Sector-Erase The Sector-Erase instruction clears all bits in the selected sector to FFH. A Sector-Erase instru ction applied to a protected memory area will be ignored. Prior to any Write operation, the Write-Enable (WREN) inst ruction must be executed. CE must remain active low for the duration of the any command sequence. The Sector-Erase instruction is initiated by executing an 8-bit command, 20H, followed by address bits [A 23-A0]. Address bits [AMS-A12] (AMS = Most Significant address) are used to determine the sector address (SA X), remaining address bits can be VIL or VIH. CE must be driven high before the instruction is executed. The user may poll the Busy bit in the software status register or wait TSE for the completion of the internal self-timed Sector-Erase cycle. See Figure 10 for the Sector-Erase sequence. FIGURE 10 : SEQUENCE-ERASE SEQUENCE CE SCK SI 012345678 1 5 1 6 2 3 2 4 3 1 MSBMSB HIGH IMPENANCESO 20 A DD. ADD. A DD. MODE3 MODE0
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 18/31 Chip-Erase The Chip-Erase instruction clears all bits in the device to FFH. A Chip-Erase instruction will be igno red if any of the memory area is protected. Prior to any Wr ite operation, t he Write-Enable (WREN) instruction must be executed. CE must remain active low for the duration of the Chip-Erase instruction sequence. The Chip-Erase instruction is initiated by executing an 8-bit command, 60H or C7H. CE must be driven high bef ore the instruction is executed. The user may poll the Bu sy bit in the software status register or wait T CE for the completion of the internal self-timed Chip-Erase cycle. See Figure 11 for the Chip-Erase sequence. FIGURE 11 : CHIP-ERASE SEQUENCE Read-Status-Register (RDSR) The Read-Status-Register (RDSR) instruction allows reading of the status register. T he status register may be read at any time even during a Write (Program/Erase) operation. When a Write operation is in progress, the Busy bit may be checked before sending any new commands to assure that the new commands are properly received by the device. CE must be driven low before the RDSR instruction is entered and remain low until the status data is read. Read-Status-Register is continuous with ongoing clock cycles until it is terminated by a low to high transition of the CE See Figure 12 for the RDSR instruction sequence. Figure12 : READ-STATUS-REGISTER (RDSR) SEQUENCE CE SCK SI 0123456789 Bit7 MSB MSB HIGH IMPENANCE SO MODE3 MODE1 10 11 12 13 14 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Status Register Out CE SCK SI 01234567 MSB HIGH IMPENANCESO 60 or C7 MODE3 MODE0
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 20/31 Enable-Write-Status-Register (EWSR) The Enable-Write-Status-Register (EWSR) instruction arms the Write-Status-Register (WRSR) in struction and opens the status register for alteration. The Enable-Write-Status-Register instruction does not have any effect and will be wasted, if it is not followed immediately by the Wr ite-Status-Register (WRSR) instruction. CE must be driven low before the EWSR instruction is entered and must be driven hi gh before the EWSR instruction is executed. Write-Status-Register (WRSR) The Write-Status-Register instruct ion writes new values to the BP2, BP1, BP0, and BPL bits of the status register. CE must be driven low before the command sequence of the WRSR instruction is entered and driven high before the WRSR instruction is executed. See Fi gure 15 for EWSR or WREN and WRSR instruction sequences. Executing the Write-St atus-Register instruction will be ignored when WP is low and BPL bit is set to “1”. When the WP is low, the BPL bit can only be set from “0” to “1” to lockdown the status register, but cannot be reset from “1” to “0”. When WP is high, the lock-down function of the BPL bit is disabled and the BPL, BP0, BP1,and BP2 bits in the status register can all be changed. As long as BPL bit is set to 0 or WP pin is driven high (V IH) prior to the low-to-high transition of the CE pin at the end of the WRSR inst ruction, the bits in the status register can all be altered by the WRSR instruction. In this case, a single WRSR instruction can set the BPL bit to “1” to lock down the status register as well as altering the BP0 ;BP1 and BP2 bits at the same time. See Table 3 for a summary description of WP and BPL functions. Figure 15 : ENABLE-WRITE-STATUS-REGISTER (EWSR) or WRITE-ENABLE(WREN) and WRITE-STATUS-REGISTER (WRSR) CE SCK SI 01234567 MSBMSB HIGH IMPENANCESO 50 or 06 MODE3 MODE0 0123456789 1 0 11 12 13 1415 STATUS REGISTER IN 01 7 6 5 4 3 2 1 0
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 21/31 ELECTRICAL SPECIFICATIONS Absolute Maximum Stress Ratings (Applied conditions greater than those listed under “Absolute Maximum Stress Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these conditions or conditions greater than those defined in the operational sections of this data sheet is not implied. Exposure to absolute maximum stress rating conditions may affect device reliability.) 1. Output shorted for no more than one second . No more than one output shorted at a time. AC CONDITIONS OF TEST See Figures 19 and 20 TABLE 4: DC OPERATING CHARACTERISTICS VDD = 2.7-3.6V ; TA=0~70oC Limits Symbol Parameter Min Max Units Test Conditions IDDR Read Current 15 mA CE =0.1 VDD/0.9 VDD@33 MHz, SO=open IDDW Program and Erase Current 40 mA CE =VDD ISB Standby Current 75 µA CE =VDD, VIN=VDD or VSS ILI ILO Input Leakage Current Output Leakage Current µA µA V IN=GND to VDD, VDD=VDD Max VOUT=GND to VDD, VDD=VDD Max VIL VIH Input Low Voltage Input High Voltage 0.7 VDD 0.8 V V V DD=VDD Min VDD=VDD Max VOL VOH Output Low Voltage Output High Voltage V DD-0.2 0.2 V V I OL=100 µA, VDD=VDD Min IOH=-100 µA, VDD=VDD Min TABLE 5 : RECOMMENDED SYSTEM POWER-UP TIMINGS Symbol Parameter Minimum Units TPU-READ
1 V DD Min to Read Operation 10 µs
1 V DD Min to Write Operation 10 µs
- This parameter is measured only for in itial qualification and after a design or process change that could affect this parameter. TABLE 6: CAPACITANCE (Ta = 25°C, f=1 Mhz, other pins open) Parameter Description Test Condition Maximum COUT
1 Output Pin Capacitance V OUT = 0V 12 pF
1 Input Capacitance V IN = 0V 6 pF
- This parameter is measured only for initial qualification and after a design or process change that could affect this parameter.
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 22/31 Read-Electronic-Signature (RES) The RES instruction can be used to read the 8-bit Electronic Signature of the device on the SO pin. The RES instruction can provide access to the Electronic Signature of the device (except while an Erase, Program or WRSR cycle is in progress), Any ERS instruction executed while an Erase, Program or WRSR cycle is in progress is no decoded, and has no effect on the cycle in progress. Figure 16 : Read-Electronic-Signature (RES) CE SCK SI 0123456789 Bit7 MSB MSB HIGH IMPENANCE SO AB MODE3 MODE1 10 11 12 13 14 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Status Register Out
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 23/31 JEDEC Read-ID The JEDEC Read-ID instruction identifies the device as F25L016A and the manufacturer as ESMT. The device information can be read from executing the 8-bit command,.9FH. Following the JEDEC Read-ID instruction, the 8-bit manufacturer’s ID, 8CH, is output from the device. After that, a 16-bit device ID is shifted out on the SO pin. Byte1, BFH, identifies the manufacturer as ESMT. Byte2, 20H (for TOP), 21H (for BOTTOM),identifies the memory type as SPI Flash. Byte3, 15H, identifies the device as F25L016A. The instruction sequence is shown in Figure16. The JEDEC Read ID instruction is terminated by a low to high transition on CE at any time during data output. If no other command is issued after executing the JEDEC Read-ID instruction, issue a 00H (NOP) command before going into Standby Mode ( CE =VIH). Figure 17 : Jedec-Read-ID Sequence Table 7 : JEDEC READ-ID DATA Device ID Manufacturer’s ID Memory Type Memory Capacity Byte1 Byte 2 Byte 3 20H (for TOP) 8CH 21H (for Bottom) 15H
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 24/31 Read-ID (RDID) The Read-ID instruction (RDID) identifies the devices as F25L016A and manufacturer as ESMT. This command is backward compatible to all ESMT SPI devices and should be used as default device identification when multiple versions of ESMT SPI devices are used in one design. The device information can be read from executing an 8-bit command, 90H or ABH, followed by address bits [A23-A0]. Following the Read-ID instruction, the manufacturer’s ID is located in address 00000H and the device ID is located in address 00001H. Once the device is in Read-ID mode, the manufacturer’s and device ID output data toggles between address 00000H and 00001H until terminated by a low to high transition on CE . Figure 18 : Read-Electronic-Signature Table 8 : JEDEC READ-ID DATA Address Byte1 Byte2 Manufacturer’s ID 00000H 8CH 14H ESMT F25L016A 00001H 14H 8CH
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 25/31 TABLE 9: RELIABILITY CHARACTERISTICS Symbol Parameter Minimum Spec ification Units Test Method NEND
1 Endurance 100,000 Cycles JEDEC Standard A117
1 Data Retention 10 Years JEDEC Standard A103
1 Latch Up 100 + IDD mA JEDEC Standard 78
- This parameter is measured only for in itial qualification and after a design or process change that could affect this parameter. TABLE 10 : AC OPERATING CHARACTERISTICS T A=0~70oC Normal 33MHz Fast 50 MHz Fast 75 MHz Fast 100 MHz Symbol Parameter Min Max Min Max Min Max Min Max Units FCLK Serial Clock Frequency 33 50 75 100 MHz TSCKH Serial Clock High Time 13 9 6 5 ns TSCKL Serial Clock Low Time 13 9 6 5 ns TCES
1 CE Active Setup Time 5 5 5 5 ns
1 CE Active Hold Time 5 5 5 5 ns
1 CE Not Active Setup Time 5 5 5 5 ns
1 CE Not Active Hold Time 5 5 5 5 ns
TCPH CE High Time 100 100 100 100 ns TCHZ CE High to High-Z Output 9 9 9 9 ns TCLZ SCK Low to Low-Z Output 0 0 0 0 ns TDS Data In Setup Time 3 3 3 3 ns TDH Data In Hold Time 3 3 3 3 ns THLS HOLD Low Setup Time 5 5 5 5 ns THHS HOLD High Setup Time 5 5 5 5 ns THLH HOLD Low Hold Time 5 5 5 5 ns THHH HOLD High Hold Time 5 5 5 5 ns THZ HOLD Low to High-Z Output 9 9 9 9 ns TLZ HOLD High to Low-Z Output 9 9 9 9 ns TOH Output Hold from SCK Change 0 0 0 0 ns TV Output Valid from SCK 12 8 7.5 7 ns 1. Relative to SCK.
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 26/31 ERASE AND PROGRAMMING PERFORMANCE Limits Parameter Typ.(2) Max.(3) Unit Sector Erase Time 60 120 ms Block Erase Time 1 2 s Chip Erase Time 10 30 s Byte Programming Time 7 30 us Chip Programming Time 50 100 s Erase/Program Cycles (1) 100,000 - Cycles Data Retention 20 - Years Notes: 1.Not 100% Tested, Excludes external system level over head. 2.Typical values measured at 25°C, 3V. 3.Maximum values measured at 85°C, 2.7V.
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 30/31 PACKING DIMENSIONS 8-LEAD SOP ( 200 mil ) SEATING PLANE D b e E 1 4 8 5 DETAIL "X" θ L A E1 Dimension in mm Dimension in inch Dimension in mm Dimension in inch Symbol Min Norm Max Min Norm Max Symbol Min Norm Max Min Norm Max Controlling dimension : millimenter
Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2007 Revision: 1.2 31/31 Important Notice All rights reserved. No part of this document may be reproduced or duplicated in any form or by any means without the prior permission of ESMT. The contents contained in this docum ent are believed to be accurate at the time of publication. ESMT assu mes no responsibility for any error in this document, and reserves the right to change the products or specification in this document without notice. The information contained herein is presented only as a guide or examples for the application of o ur products. No responsibility is assumed by ESMT for any infringement of patents, copyrights, or other intellectual property rights of third part ies which may result from its use. No license, either express , implied or otherwise, is granted under any patents, copyrights or other inte llectual property rights of ESMT or others. Any semiconductor devices may have inherently a certain rate of failure. To minimize risks associated with customer's application, adequate design and operating safeguards agains t injury, damage, or loss from such failure, should be provided by the customer when making application designs. ESMT 's products are not authorized for use in critical applications such as, but not limited to, life support devices or system, where failure or abnormal operation may directly affect human lives or cause physical injury or property damage. If products described here are to be used for such kinds of applicatio n, purchaser must do its own quality assurance testing appropriate to such applications.