SCLS068H November   1988  – February 2025 SN74HCT273

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Timing Requirements
    6. 5.6 Switching Characteristics, SN54HCT273
    7. 5.7 Switching Characteristics, SN74HCT273
    8. 5.8 Operating Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Power Supply Recommendations
    2. 8.2 Layout
      1. 8.2.1 Layout Guidelines
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DB|20
  • NS|20
  • N|20
  • DW|20
  • PW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.6 Switching Characteristics, SN54HCT273

over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Parameter Measurement Information)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 VCC TA = 25°C -40 to 125°C(1) UNIT
MIN TYP MAX MIN MAX
fmax 4.5 V 25 31 16 MHz
5.5 V 28 37 19
tpd CLR Any 4.5 V 15 34 50 ns
5.5 V 12 29 42
tPHL CLR Any 4.5 V 17 15 50 ns
5.5 V 15 34 42
tt Any 4.5 V 8 18 22 ns
5.5 V 7 19 21
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