Datasheet > AT83C24TV-TISUM

AT83C24TV-TISUM

更新时间： 2022-12-01 19:58:01

品牌	Logo	应用领域
美国微芯 - MICROCHIP		光电二极管
页数	文件大小	规格书
40页	925K
描述
Microprocessor Circuit, PDSO28,

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数据手册

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AT83C24TV-TISUM 数据手册

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

8kV+ ESD Protection (MIL/STD 883 Class 3)

– Programmable Voltage

Smart Card

Reader

5V ±5% at 65 mA (Class A)

3V ±0.2V at 65 mA (Class B)

1.8V ±0.14V at 40 mA

Interface with

Power

– Low Ripple Noise: < 200 mV Max

• Versatile Host Interface

– ICAM (Conditional Access) Compatible

– Two Wire Interface (TWI) Link

Programmable Address Allow up to 8 Devices

– Programmable Interrupt Output

Management

– Automatic Level Shifter (1.6V to V_CC

)

• Reset Output Includes

– Power-On Reset (POR)

– Power-Fail Detector (PFD)

AT83C24

• High-efficiency Step-up Converter: 80 to 98% Efficiency

• Extended Voltage Operation: 2.85 to 5.5V

• Low Power Consumption

– 1 mA Maximum Operating Current

– 150 mA Maximum In-rush Current

– 20 µA Typical Power-down Current (without Smart Card)

• 4 to 48 MHz Clock Input (7 MHz Min for Step-up Converter)

• Industrial Temperature Range: -40 to +85°C

• Packages: SO28 and QFN28

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.

4234C–SCR–04/04

12 3 4 5 6 7...40

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