Datasheet > ST75185_06

ST75185_06

更新时间： 2024-02-03 10:53:00

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
21页	377K
描述
Multiple RS-232 drivers and receivers

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ST75185_06 数据手册

ST75185

Multiple RS-232 drivers and receivers

General features

■ 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^TMand

compatibles

■ Designed to support data rates up to 120kbps

■ Pinout compatible with ST75C185

SO-20

TSSOP20

Description

The ST75185 contains three drivers and five

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

connector of IBM PC/AT^TMand compatibles. The

bipolar circuits and processing of the ST75185

provides a rugged low-cost solution for this

function at the expense of quiescent power and

external passive components relative to the

ST75C185.

interchange between a host computer and

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

switching speeds of the ST75185 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/ITA-422-B (ITU v.11) standards are

recommended.

The ST75185 complies with the requirements of

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

standards. These standards are for data

The ST75185 is characterized for operation over

the range of 0°C to 70°C.

Order code

Part number

Temperature range

Package

Packaging

ST75185CTR

ST75185CDR

0 to 70 °C

TSSOP20 (Tape & Reel)

SO-20 (Tape & Reel)

2500 parts per reel

1000 parts per reel

June 2006

Rev 16

1/21

www.st.com

12 3 4 5 6 7...21

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