DS78C20J/883 Datasheet

IC型號(hào)：
DS78C20J/883
PDF描述：
Dual CMOS Compatible Differential Line Receiver
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DS78C20/DS88C20 Dual CMOS Compatible Differential Line Receiver

May 1998

DS78C20/DS88C20

Dual CMOS Compatible Differential Line Receiver

General Description

The DS78C20 and DS88C20 are high performance, dual dif-

ferential, CMOS compatible line receivers for both balanced

and unbalanced digital data transmission. The inputs are

compatible with EIA and Federal Standards.

Input specifications meet or exceed those of the popular

DS7820/DS8820 line receiver, and the pinout is identical.

A response pin is provided for controlling sensitivity to input

noise spikes with an external capacitor. Each receiver in-

cludes a 180鈩?terminating resistor, which may be used op-

tionally on twisted pair lines. The DS78C20 is specified over

a 鈭?5藲C to +125藲C operating temperature range, and the

DS88C20 over a 0藲C to +70藲C range.

Features

Meets requirements of EIA Standards RS-232-C RS-422

and RS-423, and Federal Standards 1020 and 1030

Input voltage range of

鹵

15V (differential or

common-mode)

Separate strobe input for each receiver

鈦?/div>

strobe threshold for CMOS compatibility

5k typical input impedance

50 mV input hysteresis

200 mV input threshold

Operation voltage range = 4.5V to 15V

DS7830/DS8830 recommended driver

Connection Diagram

Dual-In-Line Package

DS005798-1

Top View

Order Number DS88C20N

See NS Package Numbers N14A

For Complete Military Product Specifications,

refer to the appropriate SMD or MDS.

Order Number DS78C20J/883

See NS Package Number J14A

漏 1998 National Semiconductor Corporation

DS005798

www.national.com

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