SC23M42 - 256BYTE MEMORY CARD IC

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).

• 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 interface comply to ISO7816 specification (synchronous propagation).
• 3 Bytes user password, 3 bits(bit0-bit.