TDA8020HL/C1,118

Tda8020hl - 双Ic卡接口

Overview

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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## 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.

## Features