DS75176BT

更新时间： 2024-11-05 22:49:07

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
8页	236K
描述
Multipoint RS-485/RS-422 Transceivers

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DS75176BT 数据手册

July 2004

DS75176B/DS75176BT

Multipoint RS-485/RS-422 Transceivers

General Description

Features

The DS75176B is a high speed differential TRI-STATE^®

bus/line transceiver designed to meet the requirements of

EIA standard RS485 with extended common mode range

(+12V to −7V), for multipoint data transmission. In addition, it

is compatible with RS-422.

n Meets EIA standard RS485 for multipoint bus

transmission and is compatible with RS-422.

n Small Outline (SO) Package option available for

minimum board space.

n 22 ns driver propagation delays.

The driver and receiver outputs feature TRI-STATE capabil-

ity, for the driver outputs over the entire common mode

range of +12V to −7V. Bus contention or fault situations that

cause excessive power dissipation within the device are

handled by a thermal shutdown circuit, which forces the

driver outputs into the high impedance state.

n Single +5V supply.

n −7V to +12V bus common mode range permits 7V

ground difference between devices on the bus.

n Thermal shutdown protection.

n High impedance to bus with driver in TRI-STATE or with

power off, over the entire common mode range allows

the unused devices on the bus to be powered down.

n Pin out compatible with DS3695/A and SN75176A/B.

n Combined impedance of a driver output and receiver

input is less than one RS485 unit load, allowing up to 32

transceivers on the bus.

DC specifications are guaranteed over the 0 to 70˚C tem-

perature and 4.75V to 5.25V supply voltage range.

n 70 mV typical receiver hysteresis.

Connection and Logic Diagram

00875901

Top View

Order Number DS75176BN, DS75176BTN, DS75176BM or DS75176BTM

See NS Package Number N08E or M08A

TRI-STATE^®is a registered trademark of National Semiconductor Corp.

DS008759

www.national.com

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与DS75176BT相关器件

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DS75176BTJ	ETC	获取价格	Transceiver
DS75176BTM	NSC	获取价格	Multipoint RS-485/RS-422 Transceivers
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DS75176BTMX/NOPB	TI	获取价格	DS75176B/DS75176BT Multipoint RS-485/RS-422 Transceivers
DS75176BTN	TI	获取价格	DS75176B/DS75176BT Multipoint RS-485/RS-422 Transceivers
DS75176BTN	NSC	获取价格	Multipoint RS-485/RS-422 Transceivers
DS75176BTN/NOPB	TI	获取价格	DS75176B/DS75176BT Multipoint RS-485/RS-422 Transceivers