MR27V6452D OKI | Alldatasheet

Document overview

  • Manufacturer or author: Hitoshi Yamada Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
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Technical content

The MR27V6452D is a 64Mbit electrically Programmable Read-Only Memory with page mode. Its configuration can be electrically switched between 4,194,304 word x 16bit and 8,388,608 word x 8 bit. The MR27V6452D operates on a single +3.3V power supply and is TTL compatible. The MR27 V6452D provides Page mode which can greatly reduce the read access time. Since the MR27V6452 D operates asynchronously , external clocks are not required , making this device easy-to-use. The MR27V6452D is suitable as large-capacity fixed memory for microcomputers and data terminals. It is manufactured using a CMOS double silicon gate technology and is offered in 44-pin SOP package. MR27V6452D 4,194,304-Word x 16-Bit or 8,388,608-Word x 8-Bit 8-Word x 16-Bit or 16-Word x 8-Bit Page Mode One Time PROM

DESCRIPTION

FEATURES

  • 4,194,304 word x 16bit / 8,388,608 word x 8bit electrically switchable configuration
  • Single +3.3V power supply
  • Access time 120ns Page mode access time 30ns
  • Input / Output TTL compatible
  • Three-state output
  • Package 44-pin plastic SOP (SOP44-P-600-1.27-K) (Product name : MR27V6452DMA) Semiconductor November 1999

PIN CONFIGURATION (TOP VIEW) MR27V6452D PIN NAMES FUNCTIONS D15/A-1 Data output / Address input A0-A21 Address input D0-D14 Data output CE OE Output enable VCC Power supply voltage BYTE/VPP Mode switch / Program power supply voltage Chip enable VSS GND A18 A11 A12 A13 A14 A15 A16 VSS D15/A-1 D14 D13 D12 VCC A10 A19 A17 CE VSS OE D10 D11 A21 BYTE/Vpp 44-pin SOP A20

Multiplexer & Page Data Latch Output Buffer FUNCTION TABLE STAND-BY OUTPUT DISABLE READ (8-Bit) READ (16-Bit) MODE D15/A-1 CE OE VCC L L DOUT L L L/H L H L H H L * : Don't Care D10 D11 D12 D13 D14 D15 X8/X16 Switch A-1 In 8-bit output mode, these pins are three-stated and pin D15 functions as the A-1 address pin. 3.3V D8 - D14 D0 - D7 H L DOUT Hi-Z H Hi-Z Hi-Z PROGRAM L H DIN PROGRAM INHIBIT H H Hi-Z PROGRAM VERIFY H L DOUT 9.75V 4.0V MR27V6452D BYTE/VPP 4,194,304X16-Bit or 8,388,608X8-Bit

Operating temperature under bias Storage temperature Input voltage Output voltage Power supply voltage Program power supply voltage Power dissipation per package Parameter Symbol Topr Unit Value Condition RECOMMENDED OPERATING CONDITIONS FOR READ VCC power supply voltage VPP power supply voltage Input "H" level Input "L" level Parameter Symbol VCC Unit 3.6 Typ. 3.0 Condition Tstg VI VO VCC VPP PD 0 to 70 -55 to 125 V -0.5 to VCC + 0.5 V -0.5 to VCC + 0.5 V -0.5 to 5 V -0.5 to 11.5 W 1.0 relative to VSS (Ta=0 to 70°C) Min. Max. V VCC+0.5 -0.5 V VCC+0.5* 2.2 V 0.6 -0.5** V VPP VIH VIL VCC=3.0V-3.6V Voltage is relative to Vss ABSOLUTE MAXIMUM RATINGS MR27V6452D * : Vcc+1.5V (Max.) when pulse width of overshoot is less than 10nS. ** : -1.5V (Min.) when pulse width of undershoot is less than 10nS.

0.4 ELECTRICAL CHARACTERISTICS (Read operation) DC Characteristics Input leakage current Output leakage current VCC power supply current (Standby) VCC power supply current (Read) VPP power supply current Parameter Symbol Unit Condition (VCC=3.3V±0.3V, Ta=0 to 70°C) Input "H" level Input "L" level Output "H" level Output "L" level Voltage is relative to Vss Typ. Min. Max. ILO ICS1 ICS2 ICCA µA µA µA CE=VCC CE=VIH 100 mA tc=120ns IPP VIH VIL VOH VOL µA VPP=VCC VCC+0.5* 2.2 V 0.6 -0.5** V 2.4 V IOH=-400µA V IOL=2.1mA CE=VIL , OE=VIH VI=0 to Vcc VO=0 to Vcc MR27V6452D mA 800ohms 100pF 2.08V AC Characteristics Address access time Parameter Symbol TACC Unit Condition (VCC=3.3V±0.3V, Ta=0 to 70°C) Min. Max. ns CE=OE=VIL 120 Address access cycle time TC 120 ns 0V/3V 0.8V/2.0V 100pF 0.8V/2.0V Measurement conditions Input signal level Input timing reference level Output load Output timing reference level ns CE access time OE access time Output disable time TCE OE=VIL ns CE=VIL ns OE=VIL ns TOE TOH CE=VIL CE=OE=VIL Output hold time 120 TCHZ TOHZ ns ns ns Page access cycle time Page access time TPC TPAC ILI * : Vcc+1.5V (Max.) when pulse width of overshoot is less than 10nS. ** : -1.5V (Min.) when pulse width of undershoot is less than 10nS.

A0 - A2 (Word mode) A-1 - A2 (Byte mode) ADDRESS tOH tCE tCHZ tOE tOHZ tACC CE OE Valid Data Hi-Z Hi-Z DOUT tOH tCE tCHZ tOE tACC CE OE Hi-Z Hi-Z TIMING CHART NORMAL MODE READ CYCLE PAGE MODE READ CYCLE tPAC tPAC DOUT tC tC A3 - A21 tPC tPC

ELECTRICAL CHARACTERISTICS (Programming operation) DC Characteristics Input leakage current VPP power supply current (Program) VCC power supply current Parameter Symbol ILI Unit Typ. Condition (Ta=25°C±5°C) Min. Max. Input "L" level IPP2 ICC VIH VIL µA VI=VCC+0.5V mA CE=VIL mA VCC+0.5 3.0 V 0.8 -0.5 V 9.75 Voltage is relative to Vss Input "H" level VOH 2.4 V IOH=-400µA Output "H" level VOL 0.45 V IOL=2.1mA Output "L" level VPP 10.0 9.5 V Program voltage VCC power supply voltage VCC 4.1 3.9 V 4.0 MR27V6452D Pin Check Function Pin Check Function is to check contact between each device-pin and each socket-lead with EPROM programmer. Setting up address as the following condition call the preprogrammed codes on device outputs. (Vcc=3.3V±0.3V,CE=OE=VIL,BYTE/Vpp=VIH,Ta=25°C±5°C) A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 VH* VH* DATA * :VH=8V±0.25V A20 A21 AC Characteristics Address set-up time OE set-up time Data set-up time Parameter Symbol TAS Unit Typ. 100 Condition Min. Max. Data hold time TOES TDS TAH TDH ns µs 100 ns µs 100 ns Address hold time TOHZ 100 ns Output float delay from OE TVS µs VPP voltage set-up time Program pulse width TPW µs Data valid from OE TOE 100 ns (Vcc=4.0V±0.1V,Vpp=9.75V±0.25V,Ta=25°C±5°C) ns Address hold from OE high TAHO FFFF Other conditions

Consecutive Programming Waveforms A0 - A21 D0 - D15 BYTE/VPP OE CE Din Din High tAS tAH tPW tDS tDH tVS MR27V6452D Consecutive Program Verify Waveforms A0 - A21 D0 - D15 OE CE Dout High tACC tAHO tOE tOHZ Dout BYTE/VPP 9.75V

Program and Program Verify Cycle Waveforms A0 - A21 D0 - D15 OE CE Din tAS tDH Dout BYTE/VPP 9.75V MR27V6452D PIN Capacitance Input BYTE/VPP Parameter CIN1 Unit Typ. (VCC=3.3V, Ta=25°C, f=1MHz) Min. Max. CIN2 pF VI=0V 120 Output COUT VO=0V Symbol Condition tPW tOES tOE tOHZ tDS tOHZ tAHO

Program 10µs Programming / Verify Flow Chart VCC=4.0V VPP=9.75V X=0 YES PASS NO NG NO NG PASS X=2? X=X+1 YES NO VCC=3.0V VPP=3.0V Programming Pin Check NO OK VCC=3.6V VPP=3.6V NG PASS VCC=3.0V VPP=3.0V NG PASS Verify NO OK Start Start Pin Check Last Address ? Address = First location Program 10µs Verify (One Byte) Last Address ? Verify (One Byte) Device Passed Device Failed Device Passed Device Failed Verify (One Byte) Verify (One Byte) Bad insertion Address = First location Address = First location MR27V6452D