Atmel AT25128B
The Atmel® AT25128B/256B provides 131,072/262,144 bits of Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) organized as 16,384/32,768 words of 8 bits each. The device is optimized for uFEATURES
● 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
● 20MHz Clock Rate (5V)
● 64-byte Page Mode and Byte Write Operation
● 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 (5ms max)
● High Reliability ̶ Endurance: 1,000,000 Write Cycles ̶ Data Retention: 100 Years
● Green (Pb/Halogen-free/RoHS Compliant) Packaging Options
● Die Sales: Wafer Form, Waffle Pack, and Bumped Wafers
DESCRIPTION
The device is optimized for u