SRI512_08 Datasheet, PDF (1/47 Pages) STMicroelectronics – 13.56 MHz short-range contactless memory chip with 512-bit EEPROM and anticollision functions

SRI512
13.56 MHz short-range contactless memory chip
with 512-bit EEPROM and anticollision functions
Features
■ ISO 14443-2 Type B air interface compliant
■ ISO 14443-3 Type B frame format compliant
■ 13.56 MHz carrier frequency
■ 847 kHz subcarrier frequency
■ 106 Kbit/second data transfer
■ 8 bit Chip_ID based anticollision system
■ 2 Count-down binary counters with automated
antitearing 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
■ 5 ms typical programming time
– Unsawn wafer
– Bumped and sawn wafer
August 2008
Rev 4
1/47
www.st.com
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