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DS88C120N Datasheet

  • DS88C120N

  • Dual CMOS Compatible Differential Line Receiver

  • 10頁

  • NSC

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DS78C120 DS88C120 Dual CMOS Compatible Differential Line Receiver
February 1996
DS78C120 DS88C120 Dual CMOS Compatible
Differential Line Receiver
General Description
The DS78C120 and DS88C120 are high performance dual
differential CMOS compatible line receivers for both bal-
anced and unbalanced digital data transmission The inputs
are compatible with EIA Federal and MIL standards
Input specifications meet or exceed those of the popular
DS7820 DS8820 line receiver
The line receiver will discriminate a
g
200 mV input signal
over a common-mode range of
g
10V and a
g
300 mV sig-
nal over a range of
g
15V
Circuit features include hysteresis and response control for
applications where controlled rise and fall times and or high
frequency noise rejection are desirable Threshold offset
control is provided for fail-safe detection should the input
be open or short Each receiver includes a 180X terminating
resistor and the output gate contains a logic strobe for time
discrimination The DS78C120 is specified over a
b
55 C to
a
125 C temperature range and the DS88C120 from 0 C to
a
70 C
Features
Y
Y
Y
Y
Y
Y
Y
Y
Y
Full compatibility with EIA Standards RS232-C RS422
and RS423 Federal Standards 1020 1030 and MIL-
188-114
Input voltage range of
g
15V (differential or common-
mode)
Separate strobe input for each receiver
1 2 V
CC
strobe threshold for CMOS compatibility
5k typical input impedance
50 mV input hysteresis
200 mV input threshold
Operation voltage range
e
4 5V to 15V
Separate fail-safe mode
Connection Diagram
Dual-In-Line Package
TL F 5801 鈥?1
Top View
Order Number DS88C120N
See NS Package Number N16A
For Complete Military 883 Specifications
see RETS Data Sheet
Order Number DS78C120J 883
See NS Package Number J16A
TRI-STATE is a registered trademark of National Semiconductor Corporation
C
1996 National Semiconductor Corporation
TL F 5801
RRD-B30M36 Printed in U S A
http
www national com

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