DESCRIPTION
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).

FEATURES
* 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 times write endurance cycles
* Data retention of more than 10 years
* Contact definition and serial interface comply to ISO7816 specification
   (synchronous propagation)
* 2Byte  programmable  security  code  PSC(Programmable  Security
   Code),    and  the  data  can  be  changed  only  when  pass  the  PSC
   authentication
* Compatible with SLE4428

APPLICATIONS
* Used for various IC cards.