Description
The AT25010/020/040 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 industrial and commercial applications where low-power and low voltage operation are essential. The AT25010/020/040 is available in space saving 8-lead PDIP and 8-lead JEDEC SOIC packages.

Features
• Serial Peripheral Interface (SPI) Compatible
• Supports SPI Modes 0 (0,0) and 3 (1,1)
• Low-voltage and Standard-voltage Operation
   – 2.7 (VCC = 2.7V to 5.5V)
• 3.0 MHz Clock Rate (5V)
• 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
• Automotive Grade Devices Available
• 8-lead PDIP and 8-lead JEDEC SOIC Packages