The X28HC256 is a high-performance CMOS 32k x 8 EEPROM with a 256k-bit memory array. It features a single 5V supply, no external high voltages or Vpp control circuits, and self-timed write cycles with no erase before write.
Key Features:
Access Time: 70ns
Write Cycle: 3ms (typical)
Endurance: 1,000,000 write cycles per byte
Data Retention: 100 years
Early End of Write Detection: DATA Polling and Toggle Bit Polling
Software Data Protection: Protects against inadvertent writes during power-up and power-down
Manual:
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