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ST8024CDR Fiches technique(PDF) 1 Page - STMicroelectronics

No de pièce ST8024CDR
Description  Smartcard interface
Download  30 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST8024CDR Fiches technique(HTML) 1 Page - STMicroelectronics

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December 2006
Rev 6
1/30
30
ST8024
Smartcard interface
General features
Designed to be compatible with the NDS
conditional access system
IC card interface
3 or 5V supply for the IC (VDD and GND)
Three specifically protected half-duplex bi-
directional buffered I/O lines to card contacts
C4, C7 and C8
DC/DC converter for VCC generation
separately powered from a 5 V ± 20% supply
(VDDP AND PGND)
3 or 5V ±5% regulated card supply voltage
(VCC) with appropriate decoupling has the
following capabilities:
–ICC < 80mA at VDDP = 4 to 6.5V
– Handles current spikes of 40nA up to
20MHz
– Controls rise and fall times
– Filtered overload detection at
approximately 120mA
Thermal and short-circuit protection 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, VDD or VDDP drop-out
Enhanced ESD protection on card side (>6 kV)
26MHz integrated crystal oscillator
Clock generation for cards up to 20MHz
(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 spike-killing during
power-on and power-off and power-on reset
(threshold fixed internally or externally by a
resistor bridge)
Built-in debounce on card presence contacts
One multiplexed status signal off
Description
The ST8024 is a complete low cost analog
interface for asynchronous 3V and 5V smart
cards. It can be placed between the card and the
microcontroller with few external components to
perform all supply protection and control
functions. ST8024 is a direct replacement of
ST8004.
Main applications are: smartcard readers for Set
Top Box, IC card readers for banking,
identification, Pay TV.
SO-28
TSSOP28
www.st.com
Order codes
Part number
Temperature range
Package
Packaging
ST8024CDR
-25 to 85 °C
SO-28 (Tape & Reel)
1000 parts per reel
ST8024CTR
-25 to 85 °C
TSSOP28 (Tape & Reel)
1000 parts per reel


Numéro de pièce similaire - ST8024CDR

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