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SRI2K Datasheet, PDF (1/45 Pages) STMicroelectronics – 13.56 MHz short-range contactless memory chip with 2048-bit EEPROM and anticollision functions
SRI2K
13.56 MHz short-range contactless memory chip
with 2048-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
■ 2048-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
September 2011
Doc ID 15779 Rev 3
1/45
www.st.com
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