Dual IC Card Interface | NXP Semiconductors

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Dual IC Card Interface

TDA8020HL No Longer Manufactured

The TDA8020HL is a one-chip dual smart card interface. Controlled by the I²C-bus, it guarantees conformity to ISO 7816 or EMV2000 with very few external components.

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Product Details

Block Diagram

Block diagram: TDA8020HL

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Features

  • Two independent 6 contacts smart card interfaces
  • Supply voltage to the cards: VCC = 5 V and ICC up to 60 mA or 3 V +-5pct. and ICC up to 55 mA
  • Integrated DC-to-DC converter (doubler, tripler or follower) for allowing power supply from 2.7 to 6.5 V
  • Independent supply voltage for interface signals (from 1.5 to 6.5 V)
  • Control and status via the I²C-bus
  • Four possible devices in parallel due to two I²C-bus address pins
  • Electrical specifications according to ISO 7816 or EMV2000
  • Automatic activation and deactivation sequences by means of integrated sequencers
  • Automatic clock count and reset toggling during warm or cold reset
  • Interrupt request output to the controller
  • 6 kV ESD protection on cards contacts
  • Automatic emergency deactivation in the event of supply drop-out, overload, overheating, card take-off or DC-to-DC malfunctioning
  • Current limitation on pins CLK, RST, I/O and VCC
  • Integrated voltage supervisor for power-on reset and drop-out detection.

Target Applications

  • Set top boxes
  • Banking terminals
  • Internet terminals.

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Part

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CAD Model

Analog interfaces

UART

Host interfaces

VCC card power supply

TDA8020HL
Data Sheet

Replacement part(s): TDA8035HN

2

no

I2C

3 & 5

Documentation

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