ST1305 Datasheet (ST Microelectronics) - High Endurance CMOS 192 bit EEPROM

ST1305, High Endurance CMOS 192 bit EEPROM

The ST1305 is a 192-bit EEPROM device with associated security logic to control memory access.

The circuit includes counting capabilities and thus is very well adapted to prepaid card applications.

The ST1305 is protected by hard-wired security logic GND and special fuses.

The memory is arranged as

ST1305 High Endurance CMOS 192 bit EEPROM With Secure Logic Access Control BRIEF DATA s s s Single 5 V Supply Voltage Programming Time: 5 ms Memory Divided Into: 16 bits of Circuit Identification 48 bits of Card Identification 48 bits of Count Data 16 bits of Certificate 48 bits of Transport Code 64 bits of Issuer Data Figure 1.

Delivery Forms s s Counting Capability up to 262,144 Units Circuit Protected by Transport Code for Deliv