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ST8024 - SMARTCARD INTERFACE

General Description

The ST8024 is a complete low cost analog interface for asynchronous 3 V and 5 V smart cards.

It can be placed between the card and the microcontroller with few external components to perform all supply protection and control functions.

ST8024 is a direct replacement of ST8004.

Key Features

  • Designed to be compatible with the NDS conditional access system.
  • IC card interface.
  • 3 or 5 V supply for the IC (VDD and GND).
  • Three specifically protected half-duplex bi- directional buffered I/O lines to card contacts C4, C7 and C8.
  • DC-DC converter for VCC generation separately powered from a 5 V ± 20% supply (VDDP and PGND).
  • 3 or 5 V ± 5 % regulated card supply voltage (VCC) with appropriate decoupling has the following capabilities:.
  • ICC < 80 mA at VDD.

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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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ST8024 Smartcard interface Features ■ Designed to be compatible with the NDS conditional access system ■ IC card interface ■ 3 or 5 V supply for the IC (VDD and GND) ■ Three specifically protected half-duplex bi- directional buffered I/O lines to card contacts C4, C7 and C8 ■ DC-DC converter for VCC generation separately powered from a 5 V ± 20% supply (VDDP and PGND) ■ 3 or 5 V ± 5 % regulated card supply voltage (VCC) with appropriate decoupling has the following capabilities: – ICC < 80 mA at VDDP = 4 to 6.