Datasheet > ST8024_06

ST8024_06

更新时间： 2024-09-08 03:30:55

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
30页	599K
描述
Smartcard interface

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数据手册

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ST8024_06 数据手册

ST8024

Smartcard interface

General features

■ Designed to be compatible with the NDS

conditional access system

■ IC card interface

■ 3 or 5V supply for the IC (V_DDand GND)

■ Three specifically protected half-duplex bi-

directional buffered I/O lines to card contacts

C4, C7 and C8

TSSOP28

SO-28

■ DC/DC converter for V_CCgeneration

separately powered from a 5 V 20% supply

(V_DDPAND PGND)

■ Non-inverted control of RST via pin RSTIN

■ ISO 7816, GSM11.11 and EMV (payment

■ 3 or 5V 5% regulated card supply voltage

(V_CC) with appropriate decoupling has the

following capabilities:

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)

– I_CC< 80mA at V_DDP= 4 to 6.5V

– Handles current spikes of 40nA up to

20MHz

■ Built-in debounce on card presence contacts

■ One multiplexed status signal off

– Controls rise and fall times

– Filtered overload detection at

approximately 120mA

Description

■ Thermal and short-circuit protection on all card

contacts

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.

■ Automatic activation and deactivation

sequences; initiated by software or by

hardware in the event of a short-circuit, card

take-off, overheating, V_DDor V_DDPdrop-out

■ Enhanced ESD protection on card side (>6 kV)

■ 26MHz integrated crystal oscillator

Main applications are: smartcard readers for Set

Top Box, IC card readers for banking,

identification, Pay TV.

■ Clock generation for cards up to 20MHz

(divided by 1, 2, 4 or 8 through CLKDIV1 and

CLKDIV2 signals) with synchronous frequency

changes

Order codes

Part number

Temperature range

Package

Packaging

ST8024CDR

ST8024CTR

-25 to 85 °C

SO-28 (Tape & Reel)

1000 parts per reel

TSSOP28 (Tape & Reel)

December 2006

Rev 6

1/30

www.st.com

12 3 4 5 6 7...30

中文翻译

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