描述 Description

The AT24C02A/04A/08A provides 2048/4096/8192 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 256/512/1024 words of 8 bits each.

特性 Features

? Write Protect Pin for Hardware Data Protection

– Utilizes Different Array Protection Compared to the AT24C02/04/08

? Low Voltage and Standard Voltage Operation

– 5.0 (VCC = 4.5V to 5.5V)

– 2.7 (VCC = 2.7V to 5.5V)

– 2.5 (VCC = 2.5V to 5.5V)

– 1.8 (VCC = 1.8V to 5.5V)

? Internally Organized 256 x 8 (2K), 512 x 8 (4K) or 1024 x 8 (8K)

? 2-Wire Serial Interface

? Schmitt Trigger, Filtered Inputs for Noise Supperssion

? Bidirectional Data Transfer Protocol

? 100 kHz (1.8V, 2.5V, 2.7V) and 400 kHz (5V) Compatibility

? 8-Byte Page (2K), 16-Byte Page (4K, 8K) Write Modes

? Partial Page Writes Are Allowed

? Self-Timed Write Cycle (10 ms max)

? High Reliability

– Endurance: 1 Million Write Cycles

– Data Retention: 100 Years

– ESD Protection: >3000V

? Automotive Grade and Extended Temperature Devices Available

? 8-Pin and 14-Pin JEDEC SOIC, 8-Pin PDIP, and 8-Pin TSSOP Packages