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AT83C24NDS-TISIM Datasheet

  • AT83C24NDS-TISIM

  • Smart Card Reader Interface with Power Management

  • 726.23KB

  • 42頁

  • ATMEL   ATMEL

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Features
鈥?/div>
Smart Card Interface
鈥?Compliance with ISO 7816, EMV2000, GIE-CB, GSM and WHQL Standards
Card Clock Stop High or Low for Card Power-down Modes
Support Synchronous Cards with C4 and C8 Contacts
Card Detection and Automatic de-activation Sequence
Programmable Activation Sequence
鈥?Direct Connection to the Smart Card
Logic Level Shifters
Short Circuit Current Limitation (see electrical characteristics)
8kV+ ESD Protection (MIL/STD 883 Class 3)
鈥?Programmable Voltage
5V 鹵5% at 65 mA (Class A)
3V 鹵0.2V at 65 mA (Class B)
1.8V 鹵0.14V at 40 mA
鈥?Low Ripple Noise: < 200 mV
Versatile Host Interface
鈥?ICAM (Conditional Access) Compatible
鈥?Two Wire Interface (TWI) Link
Programmable Address Allow up to 8 Devices
鈥?Programmable Interrupt Output
鈥?Automatic Level Shifter (1.6V to V
CC
)
Reset Output Includes
鈥?Power-On Reset (POR)
鈥?Power-Fail Detector (PFD)
High-efficiency Step-up Converter: 80 to 98% Efficiency
Extended Voltage Operation: 3V to 5.5V
Low Power Consumption
鈥?180 mA Maximum In-rush Current
鈥?30
碌A(chǔ)
Typical Power-down Current (without Smart Card)
4 to 48 MHz Clock Input, 7 MHz Min for Step-up Converter (for AT83C24)
18 to 48MHz Clock input (for AT83C24NDS)
Industrial Temperature Range: -40 to +85擄C
Packages: SO28 and QFN28
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Smart Card
Reader
Interface with
Power
Management
AT83C24
AT83C24NDS
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Description
The AT83C24 is a smart card reader interface IC for smart card reader/writer applica-
tions such as EFT/POS terminals and set top boxes. It enables the management of
any type of smart card from any kind of host. Up to 8 AT83C24 can be connected in
parallel using the programmable TWI address.
Its high efficiency DC/DC converter, low quiescent current in standby mode makes it
particularly suited to low power and portable applications. The reduced bill of material
allows reducing significantly the system cost. A sophisticated protection system guar-
antees timely and controlled shutdown upon error conditions.
The AT83C24NDS is a dedicated version approved by NDS for use with NDS Video-
Guard conditional access software in set-top boxes. All AT83C24 datasheet is
app licab le to AT83 C24N DS. The main difference s b etween AT83C2 4 and
AT83C24NDS are listed below:
1/ CLASS A card supplied with CVCC = 4.75 to 5.25V for AT83C24NDS,
CLASS A card supplied with CVCC = 4.6 to 5.25V for AT83C24
2/ 18MHz minimum on input clock for AT83C24NDS
3/ Up to 10碌F for capacitor connected on CVCC pin for AT83C24,
3.3碌F mandatory for AT83C24NDS
4234E鈥揝CR鈥?9/04
1

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