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NXP Semiconductors Electronic Components Datasheet

TDA8004T Datasheet

IC card interface

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INTEGRATED CIRCUITS
DATA SHEET
TDA8004T
IC card interface
Product specification
Supersedes data of 1997 Nov 21
File under Integrated Circuits, IC02
1999 Dec 30


NXP Semiconductors Electronic Components Datasheet

TDA8004T Datasheet

IC card interface

No Preview Available !

Philips Semiconductors
IC card interface
Product specification
TDA8004T
FEATURES
3 or 5 V supply for the IC (GND and VDD)
Step-up converter for VCC generation (separately
powered with a 5 V ±10% supply, VDDP and PGND)
3 specific protected half duplex bidirectional buffered
I/O lines (C4, C7 and C8)
VCC regulation 5 V ±5% on 2 × 100 nF or 1 × 100 nF
and 1 × 220 nF multilayer ceramic capacitors with low
ESR, ICC < 65 mA at 4.5 V < VDDP < 6.5 V, current
spikes of 40 nAs up to 20 MHz, with controlled rise and
fall times, filtered overload detection approximately
90 mA)
Thermal and short-circuit protections on all card
contacts
Automatic activation and deactivation sequences
(initiated by software or by hardware in the event of a
short-circuit, card take-off, overheating or supply
drop-out)
Enhanced ESD protection on card side (>6 kV)
26 MHz integrated crystal oscillator
Clock generation for the card up to 20 MHz (divided by
1, 2, 4 or 8 through CLKDIV1 and CLKDIV2 signals)
Non-inverted control of RST via pin RSTIN
ISO 7816, GSM11.11 and EMV (payment systems)
compatibility
Supply supervisor for spikes killing during power-on and
power-off
One multiplexed status signal OFF.
APPLICATIONS
IC card readers for banking
Electronic payment
Identification
Pay TV.
GENERAL DESCRIPTION
The TDA8004T is a complete low cost analog interface for
asynchronous smart cards. It can be placed betw the card
and the microcontroller with very few external components
to perform all supply protection and control functions.
ORDERING INFORMATION
TYPE
NUMBER
TDA8004T
NAME
SO28
PACKAGE
DESCRIPTION
plastic small outline package; 28 leads; body width 7.5 mm
VERSION
SOT136-1
1999 Dec 30
2


Part Number TDA8004T
Description IC card interface
Maker NXP
Total Page 24 Pages
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