AT34C02B - ATMEL Corporation

AT34C02B Two-wire Serial EEPROM

The AT34C02B provides 2048 bits of serial electrically-erasable and programmable read only memory (EEPROM) organized as 256 words of 8 bits each. The first-half of the device incorporates a permanent and a reversible software write protection feature while hardware write protection for the entire array is available via an external pin. Once the permanent sof.

Features

• Permanent and Reversible Software Write Protection for the First-half of the Array
  – Software Procedure to Verify Write Protect Status
• Hardware Write Protection for the Entire Array
• Low-voltage and Standard-voltage Operation
  – 1.7 (VCC = 1.7V to 3.6V) Internally Organized 256 x 8 Two-wire Serial Interface Schmitt Trigger, Filtered Inputs for Noise Suppression Bidirectional Data Transfer Protocol 100 kHz (1.7V) and 400 kHz (2.7V and 3.6V) Compatibility 16-byte Page Write Modes Partial Page Writes Are Allowed Self-timed Write Cycle (5 ms max) High-reliability
  – Endurance: 1 Million Write .