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75ALS175 Datasheet Preview

75ALS175 Datasheet

QUADRUPLE DIFFERENTIAL LINE RECEIVER

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SN75ALS175
QUADRUPLE DIFFERENTIAL LINE RECEIVER
D Meets or Exceeds the Requirements of
ANSI EIA/TIA-422-B, EIA/TIA-423-B, and
RS-485
D Meets ITU Recommendations V.10, V.11,
X.26, and X.27
D Designed for Multipoint Bus Transmission
on Long Bus Lines in Noisy Environments
D Low Supply Current Requirement
27 mA Max
D Common-Mode Input Voltage Range of
– 12 V to 12 V
D Input Sensitivity . . . ± 200 mV
D Input Hysteresis . . . 50 mV Typ
D High Input Impedance . . . 12 kMin
D Operates From Single 5-V Supply
SLLS131C – SEPTEMBER 1991 – REVISED MAY 1995
N OR NS† 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
The NS package is only available left-ended taped and reeled
(order device SN75ALS175NSLE).
description
The SN75ALS175 is a monolithic quadruple differential line receiver with 3-state outputs. It is designed to meet
the requirements of ANSI Standards EIA/TIA-422-B, EIA/TIA-423-B, and RS-485 and several ITU
recommendations. Advanced low-power Schottky technology provides high speed without the usual power
penalty. Each of the two pairs of receivers has a common active-high enable. The device features high input
impedance, input hysteresis for increased noise immunity, and input sensitivity of ± 200 mV over a
common-mode input voltage range of – 12 V to 12 V.
The SN75ALS175 is characterized for operation from 0°C to 70°C.
FUNCTION TABLE
(each receiver)
DIFFERENTIAL INPUTS ENABLES OUTPUT
A–B
EN
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, ? = indeterminate,
X = irrelevant, Z = high impedance (off)
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.
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.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 1995, Texas Instruments Incorporated
1




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75ALS175 Datasheet Preview

75ALS175 Datasheet

QUADRUPLE DIFFERENTIAL LINE RECEIVER

No Preview Available !

SN75ALS175
QUADRUPLE DIFFERENTIAL LINE RECEIVER
SLLS131C – SEPTEMBER 1991 – REVISED MAY 1995
logic symbol
logic diagram (positive logic)
4
1,2EN
EN
2
1A
1
1B
6
2A
7
2B
3
1Y
5
2Y
12
3,4EN
EN
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
3
1Y
5
2Y
11
3Y
13
4Y
schematics of inputs and outputs
EQUIVALANT OF EACH A OR B INPUT
VCC
EQUIVALANT OF EACH ENABLE INPUT
VCC
TYPICAL OF ALL OUTPUTS
VCC
70
Input
288 k
NOM
17 k
NOM
VCC (A)
or
GND (B)
17 k
NOM
17 k
NOM
GND
EN
Input
GND
Output
GND
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number 75ALS175
Description QUADRUPLE DIFFERENTIAL LINE RECEIVER
Maker etcTI
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75ALS175 Datasheet PDF






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