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TDA8004 数据表(PDF) 2 Page - NXP Semiconductors

部件名 TDA8004
功能描述  IC card interface
Download  22 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

TDA8004 数据表(HTML) 2 Page - NXP Semiconductors

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2004 May 10
2
Philips Semiconductors
Product specification
IC card interface
TDA8004AT
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 or 3 V ±5% on 2 × 100 nF or
1
× 100 nF and 1 × 220 nF multilayer ceramic
capacitors with low ESR, ICC < 65 mA at
4.5V<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)
with synchronous frequency changes
• 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 TDA8004AT is a complete low cost analog interface
for asynchronous 3 or 5 V smart cards. It can be placed
between 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
TDA8004AT
SO28
plastic small outline package; 28 leads; body width 7.5 mm
SOT136-1


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