AT93C66A - ATMEL

AT93C66A Three-wire Serial EEPROM

The AT93C56A/66A provides 2048/4096 bits of serial electrically erasable programmable read-only memory (EEPROM) organized as 128/256 words of 16 bits each (when the ORG pin is connected to VCC) and 256/512 words of 8 bits each (when the ORG pin is tied to grou.

Features

• Low-voltage and Standard-voltage Operation
  – 2.7 (VCC = 2.7V to 5.5V)
  – 1.8 (VCC = 1.8V to 5.5V)
• User-selectable Internal Organization
  – 2K: 256 x 8 or 128 x 16
  – 4K: 512 x 8 or 256 x 16
• Three-wire Serial Interface
• Sequential Read Operation
• 2 MHz Clock Rate (5V)
• Self-timed Write Cycle (10 ms Max)
• High Reliability
  – Endurance: 1 Million Write Cycles
  – Data Retention: 100 Years
• Automotive Devices Available
• 8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead Ultra Thin mini-MAP (MLP 2x3), 8-lead Ultra Lead Frame Land Grid Array (ULA), 8-lead TSSOP and 8-ball dBGA2 Pac.