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74LS14 Datasheet Preview

74LS14 Datasheet

Hex Schmitt-Trigger Inverters

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SN5414, SN54LS14, SN7414, SN74LS14
SDLS049C – DECEMBER 1983 – REVISED NOVEMBER 2016
SNx414 and SNx4LS14 Hex Schmitt-Trigger Inverters
1 Features
1 Operation From Very Slow Edges
• Improved Line-Receiving Characteristics
• High Noise Immunity
2 Applications
• HVAC Gateways
• Residential Ductless Air Conditioning Outdoor
Units
• Robotic Controls
• Industrial Stepper Motors
• Power Meter and Power Analyzers
• Digital Input Modules for Factory Automation
3 Description
Each circuit in SNx414 and SNx4LS14 functions as
an inverter. However, because of the Schmitt-Trigger
action, they have different input threshold levels for
positive-going (VT+) and negative-going (VT–) signals.
These circuits are temperature compensated and can
be triggered from the slowest of input ramps and still
give clean, jitter-free output signals.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SOIC (14)
4.90 mm × 3.91 mm
SN7414,
SN74LS14
SSOP (14)
PDIP (14)
6.20 mm × 5.30 mm
19.30 mm × 6.35 mm
SO (14)
10.30 mm × 5.30 mm
SN5414,
SN54LS14
CDIP (14)
CFP (14)
LCCC (20)
19.56 mm × 6.67 mm
9.21 mm × 5.97 mm
8.89 mm × 8.89 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Logic Diagram (Positive Logic)
A
Y
Copyright © 2016, Texas Instruments Incorporated
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

74LS14 Datasheet Preview

74LS14 Datasheet

Hex Schmitt-Trigger Inverters

No Preview Available !

SN5414, SN54LS14, SN7414, SN74LS14
SDLS049C – DECEMBER 1983 – REVISED NOVEMBER 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Switching Characteristics .......................................... 5
6.7 Typical Characteristics .............................................. 6
7 Parameter Measurement Information .................. 9
7.1 Series SN5414 and SN7414 Devices ....................... 9
7.2 Series SN54LS14 and SN74LS14 Devices ............ 11
8 Detailed Description ............................................ 13
8.1 Overview ................................................................. 13
8.2 Functional Block Diagram ....................................... 13
8.3 Feature Description................................................. 13
8.4 Device Functional Modes........................................ 13
9 Application and Implementation ........................ 14
9.1 Application Information............................................ 14
9.2 Typical Application .................................................. 14
9.3 System Examples ................................................... 16
10 Power Supply Recommendations ..................... 17
11 Layout................................................................... 17
11.1 Layout Guidelines ................................................. 17
11.2 Layout Example .................................................... 17
12 Device and Documentation Support ................. 18
12.1 Related Links ........................................................ 18
12.2 Receiving Notification of Documentation Updates 18
12.3 Community Resources.......................................... 18
12.4 Trademarks ........................................................... 18
12.5 Electrostatic Discharge Caution ............................ 18
12.6 Glossary ................................................................ 18
13 Mechanical, Packaging, and Orderable
Information ........................................................... 18
4 Revision History
Changes from Revision B (February 2002) to Revision C
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section. ................................................................................................. 1
• Deleted Ordering Information table; see the Package Option Addendum at the end of the data sheet ............................... 1
• Changed Package thermal impedance, RθJA, values in Thermal Information table From: 86°C/W To: 90.1°C/W (D),
From: 96°C/W To: 105.4°C/W (DB), From: 80°C/W To: 54.9°C/W (N), and From: 76°C/W To: 88.8°C/W (NS)................... 4
2
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Copyright © 1983–2016, Texas Instruments Incorporated
Product Folder Links: SN5414 SN54LS14 SN7414 SN74LS14


Part Number 74LS14
Description Hex Schmitt-Trigger Inverters
Maker etcTI
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