ST485ECDR datasheet(1/18 Pages) STMICROELECTRONICS

部件名	ST485ECDR

功能描述	/-15 kV ESD protected, low power RS-485/RS-422 transceiver

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 18 page

February 2008

Rev 13

1/18

18

ST485EB

ST485EC - ST485EX

±15 kV ESD protected, low power

RS-485/RS-422 transceiver

Features

■ Low quiescent current: 300 µA

■ Designed for RS-485 interface application

■ -7 V to 12 V common mode input voltage range

■ Driver maintains high impedance in 3-state or

with the power OFF

■ 70 mV typical input hysteresis

■ 30 ns propagation delay, 5 ns skew

■ Operates from a single 5 V supply

■ Current limiting and thermal shutdown for

driver overload protection

■ ESD protection:

– ±15 kV (H.B.M.)

– ±8 kV (IEC-1000-4-2 contact discharge)

■ Allows up to 256 transceivers on the bus

Description

The ST485E is a low power transceiver for RS-

485 and RS-422 communication. Each driver

output and receiver input is protected against

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

shocks, without latch-up. These parts contain one

driver and one receiver in half duplex

configuration.

This transceiver draws 300 µA (typ.) of supply

current when unloaded or fully loaded with

disabled drivers.

It operates from a single 5 V 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

lines (half-duplex applications).

SO-8

Table 1.

Device summary

Order codes

Temperature

range

Package

Packaging

ST485EBD

-40 to 85 °C

SO-8 (Tube)

100parts per tube / 20tube per box

ST485ECDR

0 to 70 °C

SO-8 (Tape and reel)

2500 parts per reel

ST485EBDR

-40 to 85 °C

SO-8 (Tape and reel)

2500 parts per reel

ST485EXDR

-55 to 125 °C

SO-8 (Tape and reel)

2500 parts per reel

www.st.com

类似零件编号 - ST485ECDR

制造商	部件名	数据表	功能描述
STMicroelectronics	ST485ECDR	265Kb / 13P	짹5KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER
	ST485ECDR	303Kb / 13P	짹15KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER
	ST485ECDR	305Kb / 19P	짹15KV ESD protected, low power RS-485/RS-422 transceiver

More results

类似说明 - ST485ECDR

制造商	部件名	数据表	功能描述
STMicroelectronics	ST485E	265Kb / 13P	짹5KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER
	ST485E	305Kb / 19P	짹15KV ESD protected, low power RS-485/RS-422 transceiver
	8339	303Kb / 13P	짹15KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER
	ST485ER	278Kb / 19P	짹15KV ESD protected, Low power RS-485/RS-422 transceiver
Analog Devices	ADM4168E	290Kb / 12P	15 kV ESD Protected Dual RS-422 Transceiver REV. 0
Analog Devices	ADM4168E	381Kb / 12P	±15 kV ESD Protected, Dual RS-422 Transceiver Rev. B
STMicroelectronics	ST485ER	303Kb / 13P	5KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER
Analog Devices	ADM3485E	303Kb / 16P	±15 kV ESD-Protected, 3.3 V,12 Mbps, EIA RS-485/RS-422 Transceiver Rev. D
Analog Devices	ADM485E	285Kb / 16P	5 V, ±15 kV ESD Protected Half-Duplex, RS-485/RS-422 Transceivers Rev. B
Intersil Corporation	ISL4485E	403Kb / 11P	짹15kV ESD Protected, 20Mbps, 5V, Low Power, RS-485/RS-422 Transceiver