ST1335 Datasheet (ST Microelectronics) - (ST1335/13361355) 5-Contact Memory Card IC 272-bit EEPROM

ST1335, (ST1335/13361355) 5-Contact Memory Card IC 272-bit EEPROM

The members of the ST1335/1336/1355 family are principally designed for use in prepaid Phonecard applications.

Each is a 272-bit EEPROM device, with associated security logic and special fuses to control memory access.

The memory is arranged as a matrix of 34 x 8 cells, accessed in a serial bitwise

ST1335, ST1336 ST1355 5-Contact Memory Card IC 272-bit EEPROM with Advanced Security Mechanisms DATA BRIEFING s s s s s s s s s s 5 V Single Supply Voltage Counting Capability (two options) up to 32767 (85 -1) 8 times reloadable, up to 4095 (84-1) Active Authentication Function (ST1335/1355) Cipher Block Chaining Function (ST1355) Memory Divided into : 16 bits of Circuit Identification 48 bits of Card Identification 40 bits of Count Data <