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25CSM04
4-Mbit SPI Serial EEPROM with 128-Bit Serial Number and Enhanced Write Protection
Features
• 4-Mbit Serial EEPROM: - 524,288 x 8 organization - Page size of 256 bytes - Byte or sequential reads - Byte or page writes - Self-timed write cycle (5 ms maximum)
• Security Register: - Preprogrammed 128-bit serial number - 256-byte user-programmable lockable ID page
• Built-in Error Correction Code (ECC) Logic: - ECC Status bit via the STATUS register
• JEDEC® SPI Manufacturer Read ID Support • High-Speed Clock Frequency:
- 8 MHz at VCC ≥ 3.0V - 5 MHz at VCC ≥ 2.