ST1305| Datasheet

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ST1305D
Memory Card IC 192 bit High Endurance EEPROM With Secure Logic Access Control and Inlock System
DATA BRIEF
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5 V Single Supply Voltage Memory Divided Into: 16 bits of Circuit Identification 48 bits of Card Identification 48 bits of Count Data 16 bits of Certificate 24 bits of Transport Code 64 bits of Issuer Data

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Counting Capability up to 262,144 Circuit Protected by Transport Code for Delivery from ST to the Customer 5 External Contacts Only (ISO 7816 Compatible) Answer to Reset (Fully Compatible with ISO 7816-3) E.S.D. Protection Greater Than 4000 V Power-On and Low VCC Reset Inlock system on RST input pin More than 300,000 Erase/Write Cycles More than 10 Years Data Retention 3.5 ms Programming Time (typical)

Micromodule (D15)

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Wafer

DESCRIPTION The ST1305D is a 192-bit EEPROM device with associated security logic to control memory access. The circuit includes counting capabilities and thus is very well adapted to prepaid card applications. The ST1305D is protected by hard-wired security logic and special fuses. The memory is arranged

Figure 1. Logic Diagram
VCC

RST ST1305D
I/O

Table 1. Signal Names
CLK RST I/O VCC GND Clock Reset Serial Data Input/Output Supply Voltage Ground

CLK

GND
AI03730

June 2000
Complete data available under NDA.

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