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SN55LBC175 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. SN55LBC175
Description  QUADRUPLE LOW-POWER DIFFERENTIAL LINE RECEIVER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN55LBC175 Datasheet(HTML) 1 Page - Texas Instruments

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SN55LBC175
QUADRUPLE LOW-POWER DIFFERENTIAL LINE RECEIVER
SGLS083 – MARCH 1995
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Meets EIA Standards RS-422-A, RS-423-A,
RS-485, and CCITT V.11
D Designed to Operate With Pulse Durations
as Short as 20 ns
D Designed for Multipoint Transmission on
Long Bus Lines in Noisy Environments
D Input Sensitivity... ±200 mV
D Low-Power Consumption...20 mA Max
D Open-Circuit Fail-Safe Design
D Common-Mode Input Voltage Range of
– 7 V to 12 V
description
The SN55LBC175 is a monolithic quadruple
differential line receiver with 3-state outputs and is
designed to meet the requirements of the EIA
Standards RS-422-A, RS-423-A, RS-485, and
CCITT V.11. This device is optimized for balanced
multipoint bus transmission at data rates up to and
exceeding 10 million bits per second. The
receivers are enabled in pairs with an active-high
enable input. Each differential receiver input
features
high
impedance,
hysteresis
for
increased noise immunity, and sensitivity of
±200
mV over a common-mode input voltage range of
12 V to –7 V. Fail-safe design ensures that if the
inputs are open circuited, the outputs are always
high. This device is designed using the Texas
Instruments proprietary LinBiCMOS
™ technology
allowing low power consumption, high switching
speeds, and robustness.
This device offers optimum performance when used with the SN55LBC174 quadruple line driver. The
SN55LBC175 is available in the 16-pin CDIP (J) package, a 16-pin CPAK (W) package, or a 20-pin LCCC (FK)
package.
The SN55LBC175 is characterized over the military temperature range of – 55
°C to 125°C.
FUNCTION TABLE
(each receiver)
DIFFERENTIAL INPUTS
A–B
ENABLE
OUTPUT
Y
VID ≥ 0.2 V
H
H
– 0.2 V < VID < 0.2 V
H
?
VID ≤ – 0.2 V
H
L
X
L
Z
Open circuit
H
H
H = high level,
L = low level,
X = irrelevant,
Z = high impedance (off),
? = indeterminate
Copyright
© 1995, 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.
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.
LinBiCMOS is a trademark of Texas Instruments Incorporated.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1B
1A
1Y
1, 2EN
2Y
2A
2B
GND
VCC
4B
4A
4Y
3, 4EN
3Y
3A
3B
J OR W PACKAGE
(TOP VIEW)
NC – No internal connection
FK PACKAGE
(TOP VIEW)
19
20
1
32
17
18
16
15
14
13
12
11
9
10
5
4
6
7
8
4A
4Y
NC
3, 4EN
3Y
1Y
1, 2EN
NC
2Y
2A


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