Description
The Atmel® AT25010B/020B/040B 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 AT25010B/020B/040B is available in space saving, JEDEC SOIC, UDFN, TSSOP, XDFN and VFBGA packages.

Features
• Serial Peripheral Interface (SPI) Compatible
• Supports SPI Modes 0 (0,0) and 3 (1,1)
   – Data Sheet Describes Mode 0 Operation
• Low-voltage and Standard-voltage Operation
   – VCC = 1.8V to 5.5V
• 20 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 (5 ms max)
• High Reliability
   – Endurance: One Million Write Cycles
   – Data Retention: 100 Years
• Green (Pb/Halogen-free/Rohs Compliant) Packaging Options
• Die Sales: Wafer Form, Waffle Pack, Bumped Wafers