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AT83C24B - Smart Card Reader Interface

General Description

The AT83C24 is a smart card reader interface IC for smart card reader/writer applications such as EFT/POS terminals and set top boxes.

It enables the management of any type of smart card from any kind of host.

Up to 8 AT83C24 can be connected in parallel using the programmable TWI address.

Key Features

  • Smart Card Interface.
  • Compliance with ISO 7816, EMV2000, GIE-CB, GSM and WHQL Standards Card Clock Stop High or Low for Card Power-down Modes Support Synchronous Cards with C4 and C8 Contacts Card Detection and Automatic de-activation Sequence Programmable Activation Sequence.
  • Direct Connection to the Smart Card Logic Level Shifters Short Circuit Current Limitation (see electrical characteristics) 8kV+ ESD Protection (MIL/STD 883 Class 3).
  • Programmable Voltag.

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Other Datasheets by Atmel (now Microchip Technology)

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Features • Smart Card Interface – Compliance with ISO 7816, EMV2000, GIE-CB, GSM and WHQL Standards Card Clock Stop High or Low for Card Power-down Modes Support Synchronous Cards with C4 and C8 Contacts Card Detection and Automatic de-activation Sequence Programmable Activation Sequence – Direct Connection to the Smart Card Logic Level Shifters Short Circuit Current Limitation (see electrical characteristics) 8kV+ ESD Protection (MIL/STD 883 Class 3) – Programmable Voltage 5V ±5% at 65 mA (Class A) 3V ±0.2V at 65 mA (Class B) 1.8V ±0.14V at 40 mA – Low Ripple Noise: < 200 mV Versatile Host Interface – ICAM (Conditional Access) Compatible – Two Wire Interface (TWI) Link Programmable Address Allow up to 8 Devices – Programmable Interrupt Output – Automatic Level Shifter (1.