Datasheet > ST8024LTR

ST8024LTR

更新时间： 2024-09-09 01:08:43

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
35页	715K
描述
Smartcard interface

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中文翻译

获取价格

数据手册

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ST8024LTR 数据手册

ST8024L

Smartcard interface

Datasheet −production data

Features

■ Designed to be compatible with the NDS

conditional access system (except

ST8024LTR)

■ ISO 7816, GSM11.11 and EMV 4.2 (payment

SO-28

TSSOP-20

TSSOP-28

systems) compatible

■ IC card interface

■ 3 V or 5 V supply for the ST8024L device (V

■ Three specifically protected half-duplex

)

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

■ 26 MHz integrated crystal oscillator

bi-directional buffered I/O lines to card contacts

C4, C7 and C8

■ Built-in debounce on card presence contacts

■ One multiplexed status signal OFF

■ Step-up converter for V generation

separately powered by a 5 V 20ꢀ supply

■ Non-inverted control of RST via pin RSTIN

and PGND)

DDP

■ Clock generation for cards up to 20 MHz

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

CLKDIV2 signals) with synchronous frequency

changes

■ 1.8 V 6.5ꢀ, 3 V or 5 V 5ꢀ regulated card

supply voltage (V ) with appropriate

decoupling has the following capabilities:

– I < 80 mA at V

= 4.75 to 6.5 V

DDP

■ Supply supervisor for spike-killing during

power-on and power-off and power-on reset

(threshold fixed internally or externally by

a resistor divider)

– Handles current spikes of 40 nA up

to 20 MHz

– Controls rise and fall times

– Filtered overload detection at ~120 mA

■ Thermal and short-circuit protection on all card

Applications

contacts

■ Smartcard readers for set-top boxes

■ IC card readers for banking

■ Identification, pay TV

■ Automatic activation and deactivation

sequences; initiated by software or by

hardware in the event of a short-circuit, card

take-off, overheating, V or V

dropout

DDP

Table 1.

Device summary

PORADJ/

Temperature

range

Package

top mark

Order code

Package

Packaging

1.8 V function

(1)

ST8024LCDR

ST8024LCTR

PORADJ

1.8 V

–25 to 85 °C

SO-28 (tape and reel)

1000 parts per reel ST8024LC

–25 to 85 °C TSSOP-28 (tape and reel) 2500 parts per reel ST8024LC

–25 to 85 °C SO-28 (tape and reel) 1000 parts per reel ST8024LAC

–25 to 85 °C TSSOP-20 (tape and reel) 2500 parts per reel ST8024L

–25 to 85 °C TSSOP-28 (tape and reel) 2500 parts per reel ST8024LAC

(1)

ST8024LACDR

ST8024LTR

1.8 V

(1)

ST8024LACTR

1.8 V

1. Certified by NDS.

May 2012

Doc ID 17709 Rev 5

1/35

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...35

中文翻译

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