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TDA8004T Datenblatt(Datasheet) 2 Page - NXP Semiconductors

Teile-Nr. TDA8004T
Beschreibung  IC card interface
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Hersteller  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 2 page
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1999 Dec 30
2
Philips Semiconductors
Product specification
IC card interface
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
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8004T
SO28
plastic small outline package; 28 leads; body width 7.5 mm
SOT136-1




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