AT24C01A_02_04_08A_16A_Automotive_| Datasheet

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Features
Standard-voltage Operation Automotive Temperature Range 40 C to 125 C Internally Organized 128 x 8 (1K), 256 x 8 (2K), 512 x 8 (4K),
1024 x 8 (8K) or 2048 x 8 (16K) Two-wire Serial Interface Schmitt Trigger, Filtered Inputs for Noise Suppression Bidirectional Data Transfer Protocol 400 kHz Compatibility Write Protect Pin for Hardware Data Protection 8-byte Page (1K, 2K), 16-byte Page (4K, 8K, 16K) Write Modes Partial Page Writes are Allowed Self-timed Write Cycle (5 ms max) High-reliability Endurance: 1 Million Write Cycles Data Retention: 100 Years 8-lead JEDEC SOIC and 8-lead TSSOP Packages 2.7 (VCC = 2.7V to 5.5V)

Two-wire Automotive Temperature Serial EEPROM
1K (128 x 8) 2K (256 x 8) 4K (512 x 8) 8K (1024 x 8) 16K (2048 x 8)

Description
The AT24C01A/02/04/08A/16A provides 1024/2048/4096/8192/16384 bits of serial electrically erasable and programmable read-only memory (EEPROM) organized as 128/256/512/1024/2048 words of 8 bits each. The device is optimized for use in many automotive applications where low-power and low-voltage operation are essential. The AT24C01A/02/04/08A/16A is available in space-saving 8-lead JEDEC SOIC and 8-lead TSSOP packages and is accessed via a two-wire serial interface. In addition, the entire family is available in 2.7V (2.7V to 5.5V) versions.

Table 1. Pin Configurations
Pin Name A0 - A2 SDA SCL WP NC Function Address Inputs Serial Data Serial Clock Input Write Protect No Connect
A0 A1 A2 GND A0 A1 A2 GND

8-lead SOIC
1 2 3 4 8 7 6 5 VCC WP SCL SDA

8-lead TSSOP
1 2 3 4 8 7 6 5 VCC WP SCL SDA

AT24C01A(1) AT24C02(2) AT24C04 AT24C08A AT24C16A
Notes: 1. AT24C01A not recommended for new design; please refer to AT24C01B Automotive datasheet. 2. AT24C02 not recommended for new design; please refer to AT24C02B Automotive datasheet.

5092D SEEPR 4/07