ST75285 datasheet(1/13 Pages) STMICROELECTRONICS

tên linh kiện	ST75285

Giải thích chi tiết về linh kiện	MULTIPLE RS-232 DRIVERS AND RECEIVERS

PDF	13 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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December 2002

s

MEETS AND EXCEEDS THE

REQUIREMENTS OF EIA/TIA-232-E AND

ITUV.28 STANDARD

s

SINGLE CHIP WITH EASY INTERFACE

BETWEEN UART AND SERIAL PORT

CONNECTOR OF IBM PC/ATTM AND

COMPATIBLES

s

DESIGNED TO SUPPORT DATA RATES UP

TO 120 Kbps

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

connector of IBM PC/ATTM 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

interchange

between

a

host

computer

and

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/

ITA-422-B

(ITU

v.11)

standards

are

recommended.

It

allows

space

saving

in

applications where two ST75185 are needed.

ORDERING CODES

Type

Temperature

Range

Package

Comments

ST75285CTR

0 to 70 °C

TSSOP38 (Tape & Reel)

2500 parts per reel

ST75285

MULTIPLE RS-232 DRIVERS AND RECEIVERS

TSSOP

Số phần tương tự - ST75285

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ST75285 bảng dữ liệu(PDF) 1 Page - STMicroelectronics

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