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SN75LBC175 Datasheet Preview

SN75LBC175 Datasheet

Line Receivers

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SN65LBC175, SN75LBC175
QUADRUPLE LOWĆPOWER DIFFERENTIAL LINE RECEIVERS
D Meets or Exceeds the EIA Standards
RS-422-A, RS-423-A, RS-485, and CCITT
Recommendation 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
D Pin Compatible With SN75175 and LTC489
SLLS171G − OCTOBER 1993 − REVISED MARCH2009
D, DW, OR N PACKAGE
(TOP VIEW)
1B 1
1A 2
1Y 3
1,2EN 4
2Y 5
2A 6
2B 7
GND 8
16 VCC
15 4B
14 4A
13 4Y
12 3,4EN
11 3Y
10 3A
9 3B
description
The SN65LBC175 and SN75LBC175 are monolithic, quadruple, differential line receivers with 3-state outputs
designed to meet the requirements of the EIA standards RS-422-A, RS-423-A, RS-485, and CCITT
Recommendation V.11. The devices are 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. The fail-safe design ensures
that when the inputs are open-circuited, the outputs are always high. Both devices are designed using the TI
proprietary LinBiCMOStechnology allowing low power consumption, high switching speeds, and robustness.
These devices offer optimum performance when used with the SN75LBC172 or SN75LBC174 quadruple line
drivers. The SN65LBC175 is available in the 16-pin DIP (N), small-outline package (D), and the wide
small-outline package (DW). The SN75LBC175 is available in the 16-pin DIP (N) and the small-outline package
(D).
The SN65LBC175 is characterized over the industrial temperature range of −40°C to 85°C. The SN75LBC175
is characterized for operation over the commercial temperature range of 0°C to 70°C.
PACKAGE
SOIC
Wide SOIC
PDIP
AVAILABLE OPTIONS
TEMPERATURE RANGE
0°C to 70°C
−40°C to 85°C
SN75LBC175D SN65LBC175D
SN65LBC175DW
SN75LBC175N SN65LBC175N
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.
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.
Copyright 2009 Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
1




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SN75LBC175 Datasheet Preview

SN75LBC175 Datasheet

Line Receivers

No Preview Available !

SN65LBC175, SN75LBC175
QUADRUPLE LOWĆPOWER DIFFERENTIAL LINE RECEIVERS
SLLS171G − OCTOBER 1993 − REVISED MARCH2009
logic symbol
logic diagram (positive logic)
4
1,2EN
EN
2
1A
1
1B
6
2A
7
2B
12
3,4EN
EN
3
1Y
5
2Y
10
3A
9
3B
14
4A
15
4B
11
3Y
13
4Y
This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
4
1,2EN
2
1A
1
1B
6
2A
7
2B
12
3,4EN
10
3A
9
3B
14
4A
15
4B
FUNCTION TABLE
(each receiver)
DIFFERENTIAL INPUTS
OUTPUT
A−B
ENABLE
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
schematics of inputs and outputs
3
1Y
5
2Y
11
3Y
13
4Y
EQUIVALENT OF A AND B INPUTS
VCC
100 k
(A Only)
3 k
Input
18 k
Receiver
100 k
(B Only)
12 k
1 k
TYPICAL OF ALL OUTPUTS
VCC
Y Output
Input
TYPICAL OF EN INPUT
VCC
Output
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number SN75LBC175
Description Line Receivers
Maker etcTI
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SN75LBC175 Datasheet PDF






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