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SN65LBC172 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. SN65LBC172
Description  QUADRUPLE LOW-POWER DIFFERENTIAL LINE DRIVER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN65LBC172 Datasheet(HTML) 1 Page - Texas Instruments

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SN65LBC172, SN75LBC172
QUADRUPLE LOW-POWER DIFFERENTIAL LINE DRIVER
SLLS163B – JULY 1993 – REVISED JANUARY 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Meet or Exceed EIA Standard RS-485
D Designed for High-Speed Multipoint
Transmission on Long Bus Lines in Noisy
Environments
D Support Data Rates up to and Exceeding
Ten Million Transfers Per Second
D Common-Mode Output Voltage Range of
– 7 V to 12 V
D Positive- and Negative-Current Limiting
D Low Power Consumption . . . 1.5 mA Max
(Output Disabled)
D Functionally Interchangeable With SN75172
description
The
SN65LBC172
and
SN75LBC172
are
monolithic quadruple differential line drivers with
3-state outputs. Both devices are designed to
meet the requirements of EIA Standard RS-485.
These devices are optimized for balanced
multipoint bus transmission at data rates up to and
exceeding 10 million bits per second. Each driver
features wide positive and negative common-
mode output voltage ranges, current limiting, and
thermal-shutdown circuitry making it suitable for
party-line applications in noisy environments.
Both devices are designed using LinBiCMOS
™,
facilitating ultra-low power consumption and
inherent robustness.
Both the SN65LBC172 and SN75LBC172 provide
positive-
and
negative-current
limiting
and
thermal shutdown for protection from line fault
conditions on the transmission bus line. These
devices
offer
optimum
performance
when
used with the SN75LBC173 or SN75LBC175
quadruple line receivers. The SN65LBC172 and
SN75LBC172 are available in the 16-pin DIP
package (N) and the 20-pin wide-body small-
outline inline-circuit (SOIC) package (DW).
The SN75LBC172 is characterized for operation
over the commercial temperature range of 0
°C to
70
°C. The SN65LBC172 is characterized over the
industrial temperature range of – 40
°C to 85°C.
LinBiCMOS is a trademark of Texas Instruments Incorporated.
Copyright
© 2000, 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.
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9
1A
1Y
1Z
G
2Z
2Y
2A
GND
VCC
4A
4Y
4Z
G
3Z
3Y
3A
N PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
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1A
1Y
NC
1Z
G
2Z
NC
2Y
2A
GND
VCC
4A
4Y
NC
4Z
G
3Z
NC
3Y
3A
DW PACKAGE
(TOP VIEW)
NC – No internal connection
FUNCTION TABLE
(each driver)
INPUT
ENABLES
OUTPUTS
AG
G
YZ
H
L
H
L
X
H = high level,
L = low level,
X = irrelevant,
Z = high impedance (off)
H
H
X
X
L
X
X
L
L
H
HL
LH
HL
LH
ZZ
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.


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