ST75185 datasheet(1/18 Pages) STMICROELECTRONICS

部件名	ST75185

功能描述	MULTIPLE RS-232 DRIVERS AND RECEIVERS

PDF	18 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	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

s

PINOUT COMPATIBLE WITH ST75C185

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/ATTM and 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.

The ST75185 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 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 is characterized for operation over

the range of 0°C to 70°C.

ORDERING CODES

Type

Temperature

Range

Package

Comments

ST75185CTR

0 to 70 °C

TSSOP20 (Tape & Reel)

2500 parts per reel

ST75185CD

0 to 70 °C

SO-20 (Tube)

40 parts per tube / 25 tubes per box

ST75185CDR

0 to 70 °C

SO-20 (Tape & Reel)

1000 parts per reel

ST75185CPR

0 to 70 °C

SSOP-20 (Tape & Reel)

1350 parts per reel

ST75185

MULTIPLE RS-232 DRIVERS AND RECEIVERS

SOP

TSSOP

SSOP

类似零件编号 - ST75185

制造商	部件名	数据表	功能描述
STMicroelectronics	ST75185	376Kb / 21P	Multiple RS-232 drivers and receivers 01-Jun-2006
	ST75185C	798Kb / 22P	Multiple RS-232 drivers and receivers 19-Dec-2007
	ST75185CDR	376Kb / 21P	Multiple RS-232 drivers and receivers 01-Jun-2006
	ST75185CDR	798Kb / 22P	Multiple RS-232 drivers and receivers 19-Dec-2007
	ST75185CTR	376Kb / 21P	Multiple RS-232 drivers and receivers 01-Jun-2006

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类似说明 - ST75185

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