Data Brief

For further information contact your local STMicroelectronics sales office.

April 2006

Rev 2

1/6

6

SRI512

13.56-MHz Short-range Contactless Memory Chip

with 512-bit EEPROM and Anti-Collision functions

Features

■

ISO 14443 - 2 Type B Air Interface Compliant

■

ISO 14443 - 3 Type B Frame Format Compliant

■

13.56MHz Carrier Frequency

■

847kHz Sub-carrier Frequency

■

106 kbit/second Data Transfer

■

8-bit Chip_ID based anticollision system

■

2 Count-Down Binary Counters with automated

Anti-tearing protection

■

64-bit Unique Identifier

■

512-bit EEPROM with Write Protect feature

■

Read Block and Write Block (32 bits)

■

Internal Tuning Capacitor

■

1million Erase/Write Cycles

■

40-Year Data Retention

■

Self-Timed Programming Cycle

■

5ms Typical Programming Time

Wafer

Antenna (

A3)

Antenna (A4)

Antenna (

A5)

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