SC23M42 256-BYTE MEMORY CARD IC DESCRIPTION SC23M42 is a smart card module utilizing CMOS EEPROM technology.
256 bytes main memory, 32-bit protection memory, 3 bytes user password, and 3-bit password wrong counter (Value: 00000D2D1D0).
And the periphery interface is compatible with ISO7816 agreement (synchronous propagation).
FEATURES * 256 X 8 bit EEPROM * Byte addressing * Write-protect area (former 32 bytes) can execute the write-protect separately, and after the write-protect, the content cannot be changed.
* 32 X 1bit protect memory * Serial two buses interface * More than 100,000 times write endurance cycles * Data retention of more than 10 years * Contact definition and serial interf...

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