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ST1335D Fiches technique(PDF) 1 Page - STMicroelectronics |
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ST1335D Fiches technique(HTML) 1 Page - STMicroelectronics |
1 / 4 page 1/4 DATA BRIEF June 2000 Complete data available under NDA. ST1335D, ST1336D ST1355D 5-Contact Memory Card IC 272-bit EEPROM With Advanced Security Mechanisms and Inlock System s 5 V Single Supply Voltage s Counting Capability (two options) – up to 32767 (85 -1) – 8 times reloadable, up to 4095 (84-1) s Active Authentication Function (ST1335D/55D) s Cipher Block Chaining Function (ST1355D) s Memory Divided into : – 16 bits of Circuit Identification – 48 bits of Card Identification – 40 bits of Count Data – 16 bits for Validation Certificate – 24 bits of Transport Code – 64 bits of Issuer Data (ST1336D) or Authentication Secret Key (ST1335D/55D) – 32 bits of Anti-tearing Flags (optional) – 56 bits of User data (optionally not erasable) s More than 500,000 Erase/Write Cycles s More than 10 Years Data Retention s 3.5 ms Programming Time at 5 V (typical) s 500 µA Supply Current at 5 V (typical) s 250 µA Stand-by Current at 5 V (typical) DESCRIPTION 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 bit- wise fashion for reading and programming, and in a byte-wise fashion for internal erasing. An on-chip Figure 1. Logic Diagram AI03729 RST VCC ST1335D ST1336D ST1355D GND I/O CLK Table 1. Signal Names CLK Clock RST Reset I/O Serial Data Input / Output VCC Supply Voltage GND Ground Wafer Micromodule (D15) |
Numéro de pièce similaire - ST1335D |
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Description similaire - ST1335D |
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