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Document overview
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Technical content
Features
Medium-voltage and Standard-voltage Operation ̶ 2.7 (VCC = 2.7V to 5.5V) Automotive Temperature Range -40C to +125C User Selectable Internal Organization ̶ 16K: 2,048 x 8 or 1,024 x 16 3-wire Serial Interface Sequential Read Operation Schmitt Trigger, Filtered Inputs for Noise Suppression 2MHz Clock Rate (5V) Compatibility Self-timed Write Cycle (10ms max) High Reliability ̶ Endurance: 1,000,000 Write Cycles ̶ Data Retention: 100 Years Lead-Free/Halogen-Free Devices Available 8-lead JEDEC SOIC and 8-lead TSSOP Packages
Description
The AT93C86A provides 16,384 bits of Serial Electrically Erasable Programmable Read-Only Memory (EEPROM), organized as 1,024 words of 16 bits each when the ORG pin is connected to V CC and 2,048 words of 8 bits each when it is tied to ground. The device is optimized for use in many automotive applications where low-power and low-voltage operations are essential. The AT93C86A is available in space saving 8-lead JEDEC SOIC and 8-lead TSSOP packages. The AT93C86A is enabled through the Chip Select pin (CS), and accessed via a 3-wire serial interface consisting of Data Input (DI), Data Output (DO), and Shift Clock (SK). Upon receiving a READ instruction at DI, the address is decoded and the data is clocked out serially on the data output pin DO. The write cycle is completely self-timed and no separate erase cycle is required before Write. The write cycle is only enabled when the part is in the Erase/Write Enable state. When CS is brought “high” following the initiation of a write cycle, the DO pin outputs the Ready/Busy status of the part. The AT93C86A is available in a 2.7V to 5.5V version. AT93C86A 3-wire Automotive Temperature Serial EEPROM 16K (2,048 x 8 or 1,024 x 16) DATASHEET
AT93C86A Automotive [DATASHEET] Atmel-5096F-SEEPROM-AT93C86A-Automotive-Datasheet_102014 1. Pin Configuration and Pinouts Table 1-1. Pin Configurations 2. Absolute Maximum Ratings* Pin Name Function CS Chip Select DC Don’t Connect DI Serial Data Input DO Serial Data Output GND Ground ORG Internal Organization SK Serial Data Clock VCC Power Supply Note: Drawings are not to scale. 8-lead TSSOP (Top View) CS SK DI DO VCC DC ORG GND CS SK DI DO VCC DC ORG GND 8-lead SOIC (Top View) Voltage on any Pin *Notice: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
3AT93C86A Automotive [DATASHEET] Atmel-5096F-SEEPROM-AT93C86A-Automotive-Datasheet_102014 3. Block Diagram Figure 3-1. Block Diagram Note: When the ORG pin is connected to V CC, the x16 organization is selected. When it is connected to ground, the x8 organization is selected. If the ORG pin is left unconnected and the application does not load the input beyond the capability of the internal 1M pull-up, then the x16 organization is selected. ORG DI CS SK VCC GND Address Decoder Output Buffer Data Register Mode Decode Logic Clock Generator DO Memory Array 2,048 x 8 or 1,024 x 16
AT93C86A Automotive [DATASHEET] Atmel-5096F-SEEPROM-AT93C86A-Automotive-Datasheet_102014 4. Memory Organization
4.1 Pin Capacitance
Table 4-1. Pin Capacitance (1) Note: 1. This parameter is characterized and is not 100% tested.
4.2 DC Characteristics
Table 4-2. DC Characteristics Note: 1. V IL min and VIH max are reference only and are not tested. Applicable over recommended operating range from TA = 25C, f = 1.0 MHz, VCC = +5.0V (unless otherwise noted). Symbol Test Conditions Max Units Conditions COUT Output Capacitance (DO) 5 pF VOUT = 0V CIN Input Capacitance (CS, SK, DI) 5 pF VIN = 0V Applicable over recommended operating range from: TA = –40C to +125C, VCC = +2.7V to +5.5V (unless otherwise noted). Symbol Parameter Test Condition Min Typ Max Unit VCC1 Supply Voltage 2.7 5.5 V VCC2 Supply Voltage 4.5 5.5 V ICC Supply Current VCC = 5.0V READ at 1.0MHz 0.5 2.0 mA WRITE at 1.0MHz 0.5 2.0 mA ISB1 Standby Current VCC = 2.7V CS = 0V 6.0 10.0 μA ISB2 Standby Current VCC = 5.0V CS = 0V 10.0 15.0 μA IIL Input Leakage VIN = 0V to VCC 0.1 3.0 μA IOL Output Leakage VIN = 0V to VCC 0.1 3.0 μA VIL1 (1) Input Low Voltage 2.7V VCC 5.5V 0.6 0.8 V VIH1 (1) Input High Voltage 2.0 VCC + 1 V VOL1 Output Low Voltage 2.7V VCC 5.5V IOL = 2.1mA 0.4 V VOH1 Output High Voltage IOH = –0.4mA 2.4 V
5AT93C86A Automotive [DATASHEET] Atmel-5096F-SEEPROM-AT93C86A-Automotive-Datasheet_102014
4.3 AC Characteristics
Table 4-3. AC Characteristics Note: 1. This parameter is characterized and is not 100% tested. Applicable over recommended operating range from TA = -40C to +125C, VCC = As Specified, CL = 1 TTL Gate and 100pF (unless otherwise noted). Symbol Parameter Test Condition Min Typ Max Units fSK SK Clock Frequency 4.5V VCC 5.5V 0 2 MHz 2.7V VCC 5.5V 0 1 tSKH SK High Time 4.5V VCC 5.5V 250 ns 2.7V VCC 5.5V 250 tSKL SK Low Time 4.5V VCC 5.5V 250 ns 2.7V VCC 5.5V 250 tCS Minimum CS Low Time 4.5V VCC 5.5V 250 ns 2.7V VCC 5.5V 250 tCSS CS Setup Time Relative to SK 4.5V VCC 5.5V 50 ns 2.7V VCC 5.5V 50 tDIS DI Setup Time Relative to SK 4.5V VCC 5.5V 100 ns 2.7V VCC 5.5V 100 tCSH CS Hold Time Relative to SK 0 ns tDIH DI Hold Time Relative to SK 4.5V VCC 5.5V 100 ns 2.7V VCC 5.5V 100 tPD1 Output Delay to ‘1’ AC Test 4.5V VCC 5.5V 250 ns 2.7V VCC 5.5V 500 tPD0 Output Delay to ‘0’ AC Test 4.5V VCC 5.5V 250 ns 2.7V VCC 5.5V 500 tSV CS to Status Valid AC Test 4.5V VCC 5.5V 250 ns 2.7V VCC 5.5V 250 tDF CS to DO in High-impedance AC Test 4.5V VCC 5.5V 100 ns CS = VIL 2.7V VCC 5.5V 150 tWP Write Cycle Time 2.7V VCC 5.5V 0.1 4 10 ms Endurance(1) 5.0V, 25°C 1,000,000 Write Cycles
AT93C86A Automotive [DATASHEET] Atmel-5096F-SEEPROM-AT93C86A-Automotive-Datasheet_102014 5. Instruction Set for the AT93C86A Table 5-1. Instruction Set for the AT93C86A Instruction SB Opcode Address Data Commentsx8 x16 x8 x16 READ 1 10 A10 – A0 A9 – A0 Reads data stored in memory, at specified address. EWEN 1 00 11XXXXXXXXX 11XXXXXXXX Write enable must precede all programming modes. ERASE 1 11 A10 – A0 A9 – A0 Erases memory location An – A0. WRITE 1 01 A10 – A0 A9 – A0 D7 – D0 D15 – D0 Writes memory location An – A0. ERAL 1 00 10XXXXXXXXX 10XXXXXXXX Erases all memory locations. Valid only at V CC = 4.5V to 5.5V. WRAL 1 00 01XXXXXXXXX 01XXXXXXXX D7 – D0 D15 – D0 Writes all memory locations. Valid when V CC = 4.5V to 5.5V and Disable Register cleared. EWDS 1 00 00XXXXXXXXX 00XXXXXXXX Disables all programming instructions.
11AT93C86A Automotive [DATASHEET] Atmel-5096F-SEEPROM-AT93C86A-Automotive-Datasheet_102014 8. Ordering Code Detail AT93C86A-10SQ-2.7 Atmel Designator Product Family Device Density Device Revision Operating Voltage Package Option Speed Type 86 = 16 kilobit 93C = 3-Wire Compatible Automotive Grade Serial EEPROM M = 2.7V to 5.5V S = JEDEC SOIC T = TSSOP 10 = Default Value Note: This field is not used for Serial EEPROM products. Package Device Grade Q = Lead-free/Halogen-free Automotive Temperature Range (-40°C to +125°C)
AT93C86A Automotive [DATASHEET] Atmel-5096F-SEEPROM-AT93C86A-Automotive-Datasheet_102014 9. Part Markings DRAWING NO. REV. TITLE 93C86AAM A 3/13/14 93C86AAM, AT93C86A Automotive Package Marking Information Package Mark Contact: DL-CSO-Assy_eng@atmel.com SQ%%93C86AATMELYWW 8-lead SOIC 8-lead TSSOP AT### Note 2: Package drawings are not to scale Note 1: designates pin 1 AT93C86A: Automotive Package Marking Information Catalog Number Truncation AT93C86A Truncation Code ###: 86A Date Codes Voltages Y = Year M = Month WW = Work Week of Assembly % = Minimum Voltage 4: 2014 8: 2018 A: January 02: Week 2 3 or 27: 2.7V min 5: 2015 9: 2019 B: February 04: Week 4 7: 2017 1: 2021 L: December 52: Week 52 Country of Assembly Lot Number Grade/Lead Finish Material @ = Country of Assembly AAA...A = Atmel Wafer Lot Number Q: Automotive /Matte Tin/SnAgCu Trace Code Atmel Truncation XX = Trace Code (Atmel Lot Numbers Correspond to Code) AT: Atmel Example: AA, AB.... YZ, ZZ ATM: Atmel ATML: Atmel Note: Lot Number and location of assembly on the bottom side of the package. Note: Lot Number, location of assembly and YWW date code on the bottom side of the package.
13AT93C86A Automotive [DATASHEET] Atmel-5096F-SEEPROM-AT93C86A-Automotive-Datasheet_102014 10. Ordering Information Notes: 1. S = Tape and Reel: SOIC = 4,000 units per reel. 2. T = Tape and Reel: TSSOP = 5,000 units per reel. Ordering Code Lead Finish Package Voltage Operation Range AT93C86A-10SQ-2.7(1) Lead-free Halogen-free 8S1 2.7V to 5.5V Automotive Temperature (-40C to 125C)AT93C86A-10TQ-2.7(2) 8X Package Type 8S1 8-lead, 0.150" wide body, Plastic Gull Wing Small Outline (JEDEC SOIC) 8X 8-lead, 4.4mm body, Plastic Thin Shrink Small Outline Package (TSSOP)
AT93C86A Automotive [DATASHEET] Atmel-5096F-SEEPROM-AT93C86A-Automotive-Datasheet_102014 11. Packaging Information 11.1 8S1 — 8-lead JEDEC SOIC DRAWING NO. REV. TITLE GPC COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL MIN NOM MAX NOTE A1 0.10 – 0.25 A 1.35 – 1.75 b 0.31 – 0.51 C 0.17 – 0.25 D 4.80 – 5.05 E1 3.81 – 3.99 E 5.79 – 6.20 e 1.27 BSC L 0.40 – 1.27 ØØ 0° – 8° Ø E N TOP VIEW C END VIEW A b L e D SIDE VIEW Package Drawing Contact: packagedrawings@atmel.com 8S1 G 6/22/11 Notes: This drawing is for general information only. Refer to JEDEC Drawing MS-012, Variation AA for proper dimensions, tolerances, datums, etc. 8S1, 8-lead (0.150” Wide Body), Plastic Gull Wing Small Outline (JEDEC SOIC) SWB
15AT93C86A Automotive [DATASHEET] Atmel-5096F-SEEPROM-AT93C86A-Automotive-Datasheet_102014 11.2 8X — 8-lead TSSOP DRAWING NO. REV. TITLE GPC COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL MIN NOM MAX NOTE A - - 1.20 A1 0.05 - 0.15 A2 0.80 1.00 1.05 D 2.90 3.00 3.10 2, 5 E 6.40 BSC E1 4.30 4.40 4.50 3, 5 b 0.19 0.25 0.30 4 e 0.65 BSC L 0.45 0.60 0.75 L1 1.00 REF C 0.09 - 0.20 Side View End ViewTop View A L D N b Pin 1 indicator this corner E e Notes: 1. This drawing is for general information only. Refer to JEDEC Drawing MO-153, Variation AA, for proper dimensions, tolerances, datums, etc. 2. Dimension D does not include mold Flash, protrusions or gate burrs. Mold Flash, protrusions and gate burrs shall not exceed 0.15mm (0.006in) per side. 3. Dimension E1 does not include inter-lead Flash or protrusions. Inter-lead Flash and protrusions shall not exceed 0.25mm (0.010in) per side. 4. Dimension b does not include Dambar protrusion. Allowable Dambar protrusion shall be 0.08mm total in excess of the b dimension at maximum material condition. Dambar cannot be located on the lower radius of the foot. Minimum space between protrusion and adjacent lead is 0.07mm. 5. Dimension D and E1 to be determined at Datum Plane H. Package Drawing Contact: packagedrawings@atmel.com 8X E 2/27/14 8X, 8-lead 4.4mm Body, Plastic Thin Shrink Small Outline Package (TSSOP) TNR C
AT93C86A Automotive [DATASHEET] Atmel-5096F-SEEPROM-AT93C86A-Automotive-Datasheet_102014 12. Revision History Doc. Rev. Date Comments 5096F 10/2014 Updated packages 8S1 and 8A2 to 8X, template, Atmel logos, and disclaimer page. No change in functional specification. 5096E 01/2008 Moved to new template. Replaced Table 5 with correct version. 5096D 02/2007 Removed PDIP package offering. Removed Pb’d part numbers. 5096C 09/2006 Revision history implemented; Removed ‘Preliminary’ status from datasheet.
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