ST485ECDR datasheet(1/13 Pages) STMICROELECTRONICS

部品番号	ST485ECDR

部品情報	±5KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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September 2003

s

LOW QUIESCENT CURRENT: 300

µA

s

DESIGNED FOR RS-485 INTERFACE

APPLICATIONS

s

-7V TO 12V COMMON MODE INPUT

VOLTAGE RANGE

s

DRIVER MAINTAINS HIGH IMPEDANCE IN

3-STATE ORWITHTHE POWER OFF

s

70mV TYPICAL INPUT HYSTERESIS

s

30ns PROPAGATION DELAYS, 5ns SKEW

s

OPERATE FROM A SINGLE 5V SUPPLY

s

CURRENT LIMITING AND THERMAL

SHUTDOWN FOR DRIVER OVERLOAD

PROTECTION

s

ESD PROTECTION:

±15KV (H.B.M.)

±8KV (IEC-1000-4-2 CONTACT

DISCHARGE)

s

ALLOWS UP TO 64 TRANSCEIVERS ON

THE BUS

DESCRIPTION

The ST485E is al low power transceiver for

RS-485 and RS-422 communication. Each driver

output and receiver input is protected against

±15KV electrostatic discharge (H.B.M.) (ESD)

shocks, without latcup. These parts contain one

driver

and

one

receiver

in

half

duplex

configuration.

This transceiver draw 300

µA (typ.) of supply

current when unloaded or fully loaded with

disabled drivers.

It operates from a single 5V supply.

Driver is short-circuit current limited and is

protected against excessive power dissipation by

thermal shutdown circuitry that place the driver

outputs into a high-impedance state.

The ST485E is designed for bi-directional data

communications on multipoint bus transmission

line (half-duplex applications).

ORDERING CODES

Type

Temperature

Range

Package

Comments

ST485ECN

0 to 70 °C

DIP-8

50parts per tube / 40tube per box

ST485EBN

-40 to 85 °C

DIP-8

50parts per tube / 40tube per box

ST485EXN

-55 to 125 °C

DIP-8

50parts per tube / 40tube per box

ST485ECD

0 to 70 °C

SO-8 (Tube)

100parts per tube / 20tube per box

ST485EBD

-40 to 85 °C

SO-8 (Tube)

100parts per tube / 20tube per box

ST485EXD

-55 to 125 °C

SO-8 (Tube)

100parts per tube / 20tube per box

ST485ECDR

0 to 70 °C

SO-8 (Tape & Reel)

2500 parts per reel

ST485EBDR

-40 to 85 °C

SO-8 (Tape & Reel)

2500 parts per reel

ST485EXDR

-55 to 125 °C

SO-8 (Tape & Reel)

2500 parts per reel

ST485E

±15KV ESD PROTECTED, LOW POWER

RS-485/RS-422 TRANSCEIVER

DIP

SOP

同様の部品番号 - ST485ECDR

メーカー	部品番号	データシート	部品情報
STMicroelectronics	ST485ECDR	303Kb / 13P	±15KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER Sep-2003
	ST485ECDR	305Kb / 19P	±15KV ESD protected, low power RS-485/RS-422 transceiver 29-Jan-2007
	ST485ECDR	709Kb / 18P	/-15 kV ESD protected, low power RS-485/RS-422 transceiver 07-Feb-2008

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同様の説明 - ST485ECDR

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