uA9639C
DUAL DIFFERENTIAL LINE RECEIVER
SLLS113C – OCTOBER 1986 – REVISED MARCH 1997
P PACKAGE
(TOP VIEW)
Operates From Single 5-V Power Supply
Wide Common-Mode Voltage Range
High Input Impedance
V
1IN+
1IN–
2IN+
2IN–
1
2
3
4
8
7
6
5
CC
TTL-Compatible Outputs
1OUT
2OUT
GND
High-Speed Schottky Circuitry
8-Pin Dual-In-Line Packages
Designed to Be Interchangeable With
National DS9639AC
description
The uA9639C is a dual differential line receiver designed to meet ANSI Standards EIA/TIA-422-B and
EIA/TIA-423-B and ITU Recommendations V.10 and V.11. It utilizes Schottky circuitry and has TTL-compatible
outputs. The inputs are compatible with either a single-ended or a differential-line system. This device operates
from a single 5-V power supply and is supplied in an 8-pin, dual-in-line package.
The uA9639C is characterized for operation from 0°C to 70°C.
†
logic symbol
logic diagram
8
7
6
5
8
7
6
5
1IN+
2
3
1IN+
1IN–
2IN+
2IN–
2
3
1OUT
2OUT
1OUT
2OUT
1IN–
2IN+
2IN–
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC
Publication 617-12.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 1997, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
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