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ST8024CDR Fiches technique(PDF) 1 Page - STMicroelectronics

No de pièce ST8024CDR
Description  SMARTCARD INTERFACE
Download  23 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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January 2005
I
IC CARD INTERFACE
I
3 OR 5 V SUPPLY FOR THE IC (VDD AND
GND)
I
THREE SPECIFICALLY PROTECTED
HALF-DUPLEX BI-DIRECTIONAL
BUFFERED I/O LINES TO CARD
CONTACTS C4, C7 AND C8
I
DC/DC CONVERTER FOR VCC
GENERATION SEPARATELY POWERED
FROM A 5 V ± 20% SUPPLY (VDDP AND
PGND)
I
3 OR 5 V ±5% REGULATED CARD SUPPLY
VOLTAGE (VCC) WITH APPROPRIATE
DECOUPLING HAS THE FOLLOWING
CAPABILITIES:
– ICC < 80 mA at VDDP = 4 to 6.5 V
– HANDLES CURRENT SPIKES OF 40 nAs
UP TO 20MHz
– CONTROLS RISE AND FALL TIMES
– FILTERED OVERLOAD DETECTION AT
APPROXIMATELY 120 mA
I
THERMAL AND SHORT-CIRCUIT
PROTECTION ON ALL CARD CONTACTS
I
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
I
ENHANCED ESD PROTECTION ON CARD
SIDE (>6 kV)
I
26 MHz INTEGRATED CRYSTAL
OSCILLATOR
I
CLOCK GENERATION FOR CARDS UP TO
20 MHz (DIVIDED BY 1, 2, 4 OR 8
THROUGH CLKDIV1 AND CLKDIV2
SIGNALS) WITH SYNCHRONOUS
FREQUENCY CHANGES
I
NON-INVERTED CONTROL OF RST VIA PIN
RSTIN
I
ISO 7816, GSM11.11 AND EMV (PAYMENT
SYSTEMS) COMPATIBILITY
I
SUPPLY SUPERVISOR FOR SPIKE-KILLING
DURING POWER-ON AND POWER-OFF
AND POWER-ON RESET (THRESHOLD
FIXED INTERNALLY OR EXTERNALLY BY A
RESISTOR BRIDGE)
I
BUILT-IN DEBOUNCE ON CARD
PRESENCE CONTACTS
I
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.
Table 1: Order Codes
(*) Available on Request.
Type
Temperature
Range
Package
Comments
ST8024CD
-25 to 85 °C
SO-28 (Tube)
27 parts per tube / 12 tube per box
ST8024CDR
-25 to 85 °C
SO-28 (Tape & Reel)
1000 parts per reel
ST8024CTR (*)
-25 to 85 °C
TSSOP28 (Tape & Reel)
2500 parts per reel
ST8024
SMARTCARD INTERFACE
This is preliminary information on a new product now in development. Details are subject to change without notice.
SOP
TSSOP
PRODUCT PREVIEW
Rev. 1


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