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
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