AT24CS128 - ATMEL Corporation

AT24CS128 2-Wire Serial EEPROMs

The AT24CS128/256 provides 131,072/262,144 bits of serial electrically-erasable and programmable read only memory (EEPROM) organized as 16,384/32,768 words of 8.

Features

• One-time Programmable (OTP) Feature
• Low-voltage and Standard-voltage Operation
  – 5.0 (VCC = 4.5V to 5.5V)
  – 2.7 (VCC = 2.7V to 5.5V)
  – 1.8 (VCC = 1.8V to 3.6V)
• Internally Organized 16,384 x 8 and 32,768 x 8
• 2-wire Serial Interface
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• Bidirectional Data Transfer Protocol
• 1 MHz (5V), 400 kHz (2.7V) and 100 kHz (1.8V) Compatibility
• Write Protect Pin for Hardware and Software Data Protection
• 64-byte Page Write Mode (Partial Page Writes Allowed)
• Self-timed Write Cycle (5 ms typical)
• High Reliability
  – Endurance: 100,000 Write.