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AT83C24B

Features: •Smart Card InterfaceCompliance 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 SequenceDirect ...

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SeekIC No. : 004290664 Detail

AT83C24B: Features: •Smart Card InterfaceCompliance 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 ...

AT83C24B Data Sheet

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Part Number:
AT83C24B
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

•Smart Card Interface
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
Direct Connection to the Smart Card
   Logic Level Shifters
   Short Circuit Current Limitation (see electrical characteristics)
   8kV+ ESD Protection (MIL/STD 883 Class 3)
Programmable Voltage
   5V ±5% at 65 mA (Class A)
   3V ±0.2V at 65 mA (Class B)
   1.8V ±0.14V at 40 mA
Low Ripple Noise: < 200 mV
•Versatile Host Interface
ICAM (Conditional Access) Compatible
Two Wire Interface (TWI) Link
   Programmable Address Allow up to 8 Devices
Programmable Interrupt Output
Automatic Level Shifter (1.6V to VCC)
•Reset Output Includes
Power-On Reset (POR)
Power-Fail Detector (PFD)
•High-efficiency Step-up Converter: 80 to 98% Efficiency
•Extended Voltage Operation: 3V to 5.5V
•Low Power Consumption
180 mA Maximum In-rush Current
30 A 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°C
•Packages: SO28 and QFN28


Pinout

Connection Diagram


Description

The AT83C24B is a smart card reader interface IC for smart card reader/writer applications 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.

AT83C24B's 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 guarantees timely and controlled shutdown upon error conditions.

The AT83C24B is a dedicated version approved by NDS for use with NDS VideoGuard conditional access software in set-top boxes. All AT83C24 datasheet is applicable to AT83C24NDS. The main differences between AT83C24 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 AT83C24B 3/Up to 10F for capacitor connected on CVCC pin for AT83C24,3.3F mandatory for AT83C24NDS




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