st8024l STMicroelectronics, st8024l Datasheet
st8024l
Manufacturer Part Number
st8024l
Description
Smartcard Interface
Manufacturer
STMicroelectronics
Datasheet
1.ST8024L.pdf
(33 pages)
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Features
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Table 1.
1. Cerfified by NDS
September 2010
ST8024LCDR
ST8024LCTR
ST8024LACDR
Order code
ST8024LTR
Designed to be compatible with the NDS
conditional access system (ST8024LCDR and
ST8024LCTR only)
IC card interface
3 V or 5 V supply for the IC (V
Three specifically protected half-duplex bi-
directional buffered I/O lines to card contacts
C4, C7 and C8
Step-up converter for V
separately powered from a 5 V ± 20% supply
(V
1.8 V ±6.5%, 3 V or 5 V ±5% regulated card
supply voltage (V
decoupling has the following capabilities:
– I
– Handles current spikes of 40 nA up
– Controls rise and fall times
– Filtered overload detection at ~120 mA
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, V
Enhanced ESD-protection on card side (>6 kV)
26 MHz integrated crystal oscillator
Built-in debounce on card presence contacts
One multiplexed status signal OFF
DDP
to 20 MHz
CC
and PGND)
< 80 mA at V
Device summary
(1)
(1)
PORADJ/1.8V function Temperature range
CC
) with appropriate
DDP
PORADJ
PORADJ
1.8 V
1.8 V
CC
DD
= 4.75 to 6.5 V
generation
or V
DD
DDP
and GND)
drop-out
Doc ID 17709 Rev 3
–25 to 85 °C
–25 to 85 °C
–25 to 85 °C
–25 to 85 °C
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Applications
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Description
The ST8024L is a complete low-cost analog
interface for asynchronous Class A, B and C
smartcards. It can be placed between the card
and the microcontroller with few external
components to perform all supply protection and
control functions. ST8024LCDR and
ST8024LCTR are compatible with ST8024 (with
the exception of V
Non-inverted control of RST via pin RSTIN
Clock generation for cards up to 20 MHz
(divided by 1, 2, 4 or 8 through CLKDIV1 and
CLKDIV2 signals) with synchronous frequency
changes
ISO 7816, GSM11.11 and EMV 4.0 (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)
Smartcard readers for set-top box
IC card readers for banking
Identification, pay TV
SO-28
TSSOP-28 (tape and reel) 2500 parts per reel
TSSOP-20 (tape and reel) 2500 parts per reel
SO-28 (tape and reel)
SO-28 (tape and reel)
Package
th(ext)rise/fall
Smartcard interface
TSSOP-20
).
ST8024L
1000 parts per reel
1000 parts per reel
Packaging
TSSOP-28
www.st.com
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