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LINE RECEIVER. SN75ALS175 Datasheet

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LINE RECEIVER. SN75ALS175 Datasheet
















SN75ALS175 RECEIVER. Datasheet pdf. Equivalent













Part

SN75ALS175

Description

QUADRUPLE DIFFERENTIAL LINE RECEIVER



Feature


SN75ALS175 QUADRUPLE DIFFERENTIAL LINE R ECEIVER D Meets or Exceeds the Require ments of ANSI EIA/TIA-422-B, EIA/TIA-42 3-B, and RS-485 D Meets ITU Recommendat ions V.10, V.11, X.26, and X.27 D Desig ned for Multipoint Bus Transmission on Long Bus Lines in Noisy Environments D Low Supply Current Requirement 27 mA Ma x D Common-Mode Input Voltage Range of – 12 V to 12 V D I.
Manufacture

Texas Instruments

Datasheet
Download SN75ALS175 Datasheet


Texas Instruments SN75ALS175

SN75ALS175; nput Sensitivity . . . ± 200 mV D Input Hysteresis . . . 50 mV Typ D High Inpu t Impedance . . . 12 kΩ Min D Operate s From Single 5-V Supply SLLS131C – SEPTEMBER 1991 – REVISED MAY 1995 N O R NS† PACKAGE (TOP VIEW) 1B 1 1A 2 1 Y 3 1,2EN 4 2Y 5 2A 6 2B 7 GND 8 16 VC C 15 4B 14 4A 13 4Y 12 3,4EN 11 3Y 10 3 A 9 3B † The NS package is only avai lable left-ended taped and re.


Texas Instruments SN75ALS175

eled (order device SN75ALS175NSLE). des cription The SN75ALS175 is a monolithic quadruple differential line receiver w ith 3-state outputs. It is designed to meet the requirements of ANSI Standards EIA/TIA-422-B, EIA/TIA-423-B, and RS-4 85 and several ITU recommendations. Adv anced low-power Schottky technology pro vides high speed without the usual powe r penalty. Each of.


Texas Instruments SN75ALS175

the two pairs of receivers has a common active-high enable. The device feature s high input impedance, input hysteresi s for increased noise immunity, and inp ut sensitivity of ± 200 mV over a comm on-mode input voltage range of – 12 V to 12 V. The SN75ALS175 is characteriz ed for operation from 0°C to 70°C. F UNCTION TABLE (each receiver) DIFFEREN TIAL INPUTS ENABLES OUT.





Part

SN75ALS175

Description

QUADRUPLE DIFFERENTIAL LINE RECEIVER



Feature


SN75ALS175 QUADRUPLE DIFFERENTIAL LINE R ECEIVER D Meets or Exceeds the Require ments of ANSI EIA/TIA-422-B, EIA/TIA-42 3-B, and RS-485 D Meets ITU Recommendat ions V.10, V.11, X.26, and X.27 D Desig ned for Multipoint Bus Transmission on Long Bus Lines in Noisy Environments D Low Supply Current Requirement 27 mA Ma x D Common-Mode Input Voltage Range of – 12 V to 12 V D I.
Manufacture

Texas Instruments

Datasheet
Download SN75ALS175 Datasheet




 SN75ALS175
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




 SN75ALS175
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




 SN75ALS175
SN75ALS175
QUADRUPLE DIFFERENTIAL LINE RECEIVER
SLLS131C – SEPTEMBER 1991 – REVISED MAY 1995
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Input voltage, VI (A or B inputs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 14 V
Differential input voltage, VID (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 14 V
Enable input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Low-level output current, IOL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Continuous total dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table
Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. All voltage values, except differential input voltage, are with respect to network ground terminal.
2. Differential-input voltage is measured at the noninverting input with respect to the corresponding inverting input.
PACKAGE
N
NS
DISSIPATION RATING TABLE
TA 25°C
POWER RATING
1150 mW
DERATING FACTOR
ABOVE TA = 25°C
9.2 mW/°C
625 mW
5.0 mW/°C
TA = 70°C
POWER RATING
736 mW
400 mW
recommended operating conditions
Supply voltage, VCC
Common-mode input voltage, VIC
Differential input voltage, VID
High-level enable-input voltage, VIH
Low-level enable-input voltage, VIL
High-level output current, IOH
Low-level output current, IOL
Operating free-air temperature, TA
MIN NOM MAX UNIT
4.75
5 5.25 V
± 12 V
± 12 V
2
V
0.8 V
– 400 µA
8 mA
0
70 °C
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
3




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