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SN75ALS174AN Datasheet Preview

SN75ALS174AN Datasheet

Quadruple Differential Line Driver

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SN75ALS174A
SLLS122F – JULY 1991 – REVISED JANUARY 2018
SN75ALS174A Quadruple Differential Line Driver
1 Features
1 Meets or Exceeds the Requirements of ANSI
EIA/TIA-422-B and RS-485
• High-Speed Advanced Low-Power Schottky
Circuitry
• Designed for up to 20-Mbit/s Operation in Both
Serial and Parallel Applications
• Designed for Multipoint Transmission on Long Bus
Lines in Noisy Environments
• Low Supply Current Requirements 55 mA Max
• Wide Positive and Negative Input/Output Bus
Voltage Ranges
• Driver Output Capacity: 60 mA
• Thermal-Shutdown Protection
• Driver Positive- and Negative-Current Limiting
• Functionally Interchangeable With SN75174
2 Applications
• Motor Drives
• Factory Automation and Control
3 Description
The SN75ALS174A is a quadruple line driver with tri-
state differential outputs. It is designed to meet the
requirements of ANSI Standards EIA/TIA-422-B and
RS-485. This device is optimized for balanced
multipoint bus transmission at rates of up to 20
Mbit/s.
Spacer
Each driver features wide positive and negative
common-mode output voltage ranges that make them
suitable for party-line applications in noisy
environments.
The SN75ALS174A provides positive- and negative-
current limiting and thermal shutdown for protection
from line fault conditions on the transmission bus line.
Shutdown occurs at a junction temperature of
approximately 150°C.
The SN75ALS174A is characterized for operation
from 0°C to 70°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
PDIP (N) (16)
19.3 mm x 6.50 mm
SN75ALS174A
SOIC (DW) (20)
12.8 mm x 7.50 mm
TSSOP (PW) (20) 6.50 mm x 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
INPUT A
H
L
X
Function Table
(each driver)(1) (2)
ENABLES
H
H
L
OUTPUTS
Y
Z
H
L
L
H
Z
Z
(1) H = high level, L = low level, X = irrelevant.
(2) Z = high impedance (off)
N Package
(Top View)
1A 1
1Y 2
1Z 3
1,2EN 4
2Z 5
2Y 6
2A 7
GND 8
16 VCC
15 4A
14 4Y
13 4Z
12 3,4EN
11 3Z
10 3Y
9 3A
DW, PW Package
(Top View)
1A 1
1Y 2
NC 3
1Z 4
1,2EN 5
2Z 6
NC 7
2Y 8
2A 9
GND 10
20 VCC
19 4A
18 4Y
17 NC
16 4Z
15 3,4EN
14 3Z
13 NC
12 3Y
11 3A
NC ± No internal connection
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




etcTI

SN75ALS174AN Datasheet Preview

SN75ALS174AN Datasheet

Quadruple Differential Line Driver

No Preview Available !

SN75ALS174A
SLLS122F – JULY 1991 – REVISED JANUARY 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Specifications......................................................... 3
5.1 Absolute Maximum Ratings ...................................... 3
5.2 Dissipation Rating Table ........................................... 3
5.3 Recommended Operating Conditions....................... 3
5.4 Electrical Characteristics........................................... 4
5.5 Switching Characteristics .......................................... 4
6 Parameter Measurement Information .................. 5
7 Device and Documentation Support.................... 8
7.1 Documentation Support ........................................... 8
7.2 Receiving Notification of Documentation Updates.... 8
7.3 Community Resources.............................................. 8
7.4 Trademarks ............................................................... 8
7.5 Electrostatic Discharge Caution ................................ 8
7.6 Glossary .................................................................... 8
8 Mechanical, Packaging, and Orderable
Information ............................................................. 8
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (April 1998) to Revision F
Page
• Added the PW package, Applications list, Device Information table, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section. ................................................................................................ 1
2
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Copyright © 1991–2018, Texas Instruments Incorporated
Product Folder Links: SN75ALS174A


Part Number SN75ALS174AN
Description Quadruple Differential Line Driver
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