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ST75285

更新时间： 2024-09-23 22:50:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		驱动器
页数	文件大小	规格书
13页	303K
描述
MULTIPLE RS-232 DRIVERS AND RECEIVERS

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中文翻译

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数据手册

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ST75285 数据手册

ST75285

MULTIPLE RS-232 DRIVERS AND RECEIVERS

■

MEETS AND EXCEEDS THE

REQUIREMENTS OF EIA/TIA-232-E AND

ITUV.28 STANDARD

SINGLE CHIP WITH EASY INTERFACE

BETWEEN UART AND SERIAL PORT

CONNECTOR OF IBM PC/AT AND

COMPATIBLES

■

DESIGNED TO SUPPORT DATA RATES UP

TO 120 Kbps

TSSOP

DESCRIPTION

The ST75285 contains six drivers and ten

receivers. The pinout matches the DB9S

connector design in order to decrease the part

count, reduce the board space required and allow

easy interconnection of the UART and serial port

peripheral at signalling rates up to 20k-bits/s. The

switching speeds of the ST75285 are fast enough

to support rates up to 120K-bits/s with lower

capacitive loads (shorter cables). Interoperability

at the higher signalling rates cannot be assured

unless the designer has design control of the

cable and the interface circuits at the both ends.

For interoperability at signalling rates to 120

K-bits/s, use of EIA/ITA-423-B (ITU v.10) and EIA/

connector of IBM PC/AT and compatibles. The

bipolar circuits and processing of the ST75285

provides a rugged low-cost solution for this

function at the expense of quiescent power and

external passive components relative to the

ST75C185.

The ST75285 complies with the requirements of

the EIA/TIA 232-E and ITU (formally CCITT) v.28

standards. These standards are for data

ITA-422-B

(ITU

v.11)

standards

are

recommended. It allows space saving in

applications where two ST75185 are needed.

interchange between

a host computer and

ORDERING CODES

Temperature

Range

Type

Package

TSSOP38 (Tape & Reel)

Comments

ST75285CTR

0 to 70 °C

2500 parts per reel

December 2002

1/13

12 3 4 5 6 7...13

中文翻译

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