ST1335D, ST1336D ST1355D 5-Contact Memory Card IC 272-bit EEPROM With Advanced Security Mechanisms and Inlock System is a 272-bit EEPROM device specially designed for prepaid Phonecard applications, with associated security logic and special fuses to control memory access.
The ST1335D/ST1336D/ST1355D family consists of 5-contact Memory Card ICs featuring a 272-bit EEPROM with associated security logic and special fuses. These devices are primarily designed for use in prepaid Phonecard applications, offering advanced security mechanisms such as Active Authentication or Cipher Block Chaining depending on the specific model.
| Memory Size | 272-bit EEPROM |
|---|---|
| Supply Voltage | 5 V Single Supply |
| Erase/Write Cycles | More than 500,000 |
| Data Retention | More than 10 Years |
| Programming Time (typical) | 3.5 ms at 5 V |
The typical programming time is 3.5 ms at 5 V.
The typical supply current is 500 A at 5 V.
The typical stand-by current is 250 LA at 5 V.