I TEXAS
INSTRUMENTS
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 Recommended Operating Conditions(1) .................... 4
6.3 Thermal Information....................................................4
6.4 Electrical Characteristics.............................................5
6.5 Timing Requirements.................................................. 5
6.6 Switching Characteristics............................................6
6.7 Switching Characteristics............................................6
6.8 Operating Characteristics........................................... 6
7 Parameter Measurement Information............................ 7
8 Detailed Description........................................................8
8.1 Overview..................................................................... 8
8.2 Functional Block Diagram........................................... 8
8.3 Device Functional Modes............................................8
9 Power Supply Recommendations..................................9
10 Layout.............................................................................9
10.1 Layout Guidelines..................................................... 9
11 Device and Documentation Support..........................10
11.1 Receiving Notification of Documentation Updates.. 10
11.2 Support Resources................................................. 10
11.3 Trademarks............................................................. 10
11.4 Electrostatic Discharge Caution.............................. 10
11.5 Glossary.................................................................. 10
12 Mechanical, Packaging, and Orderable
Information.................................................................... 10
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (August 2003) to Revision F (February 2022) Page
• Updated the numbering, formatting, tables, figures, and cross-references throughout the doucment to reflect
modern data sheet standards............................................................................................................................. 1
SN54HCT273, SN74HCT273
SCLS068F – NOVEMBER 1988 – REVISED FEBRUARY 2022 www.ti.com
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Product Folder Links: SN54HCT273 SN74HCT273