ST1335D Datasheet (ST Microelectronics) - (ST1335D / ST1336D / ST1355D) 5-Contact Memory Card IC 272-bit EEPROM

ST1335D, (ST1335D / ST1336D / ST1355D) 5-Contact Memory Card IC 272-bit EEPROM

The members of the ST1335D/36D/55D 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 f

www.DataSheet4U.com ST1335D, ST1336D ST1355D 5-Contact Memory Card IC 272-bit EEPROM With Advanced Security Mechanisms and Inlock System DATA BRIEF 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 (ST1335D/55D) Cipher Block Chaining Function (ST1355D) Memory Divided into : 16 bits of Circuit Identification 48 bits of Card Identificati