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TMS37145 Datasheet Digital Signature Transponder

Manufacturer: Texas Instruments

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General Description

This security RFID transponder provides an 80-bit encryption algorithm.

The 5-byte challenge and 3byte response algorithm is backward compatible with existing TI products and provides, together with the burst length coding, short encryption telegram times.

The DST80 offers 65 bytes of free programmable user data stored in nine pages, each of them lockable for programming.

Overview

TMS37145 SCBS879A – MAY 2012 – REVISED JANUARY 2020 Digital Signature Transponder With Integrated DST80 Authentication, EEPROM, and LF Immobilizer.

Key Features

  • 1 Low-frequency (LF) immobilizer interface.
  • 75-byte EEPROM.
  • 80-bit DST80 security authentication coprocessor.
  • Integrated batteryless immobilizer interface.
  • Half duplex (HDX) immobilizer communication achieves up to 4-in (10-cm) read range.
  • Special selective addressing mode allows reliable learn-in sequence.
  • 80-bit authentication key length.
  • Up to 8-kbit/s uplink data rate.
  • 5- or 3-byte challenge/response algorithm.

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