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    | Partname: | ST1355D |  | Description: | 5-Contact Memory Card IC 272-bit EEPROM With Advanced Security Mechanisms and Inlock System |  | Manufacturer: | SGS-Thomson Microelectronics |  | Datasheet: | PDF (121K). Click here to download *)
 |  | 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 fashion for reading and programming, and in a byte-wise fashion for internal erasing. An on-chip |  |  Click here to download ST1355D Datasheet*)
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