Description
The AT25010A/020A/040A provides 1024/2048/4096 bits of serial electrically-erasable programmable read-only memory (EEPROM) organized as 128/256/512 words of 8 bits each. The device is optimized for use in many automotive applications where low-power and low-voltage operation are essential. The AT25010A/020A/040A is available in space-saving 8-lead JEDEC SOIC and 8-lead TSSOP packages.

Features
• Serial Peripheral Interface (SPI) Compatible
• Supports SPI Modes 0 (0,0) and 3 (1,1)
   – Data Sheet Describes Mode 0 Operation
• Medium-voltage and Standard-voltage Operation
   – 2.7 (VCC = 2.7V to 5.5V)
• Extended Temperature Range −40°C to +125°C
• 5.0 MHz Clock Rate
• 8-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 (10 ms max)
• High Reliability
   – Endurance: One Million Write Cycles
   – Data Retention: 100 Years
• 8-lead JEDEC SOIC and 8-lead TSSOP Packages