SC23M28B ic equivalent, 8kbit memory card ic.
* 1024 X 8 bit EEPROM
* Byte addressing
* Permanent write-protect for each byte
* 1024 X 1bit memory protection
* Serial three buses interface
* More than 100,000 t.
* Used for various IC cards.
BLOCK DIAGRAM
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HANGZHOU SILAN MICR.
SC23M28 is a smart card module utilizing CMOS EEPROM technology. 1024 bytes main memory with write-protect function and programmable security code. And the periphery interface is compatible with ISO7816 agreement (synchronous propagation).
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