Description
The AT25080/160/320/640 provides 8192/16384/32768/65536 bits of serial electrically erasable programmable read only memory (EEPROM) organized as 1024/2048/4096/8192 words of 8 bits each.

FEATUREs
• Serial Peripheral Interface (SPI) Compatible
• Supports SPI Modes 0 (0,0) and 3 (1,1)
• 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)
• 2.1 MHz Clock Rate
• 32-Byte Page Mode
• Block Write Protection
   – Protect 1/4, 1/2, or Entire Array
• Write Protect (WP) Pin and Write Disable Instructions for
   Both Hardware and Software Data Protection
• Self-Timed Write Cycle (5 ms Typical)
• High Reliability
   – Endurance: 1 Million Write Cycles
   – Data Retention: 100 Years
   – ESD Protection: >4000V
• Automotive Grade and Extended Temperature Devices Available
• 8-Pin PDIP, JEDEC SOIC, and 14-Pin and 20-Pin TSSOP Packages