SCLS376J June   1997  – July 2024 SN54AHC273 , SN74AHC273

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  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics
    6. 5.6  Timing Requirements, VCC = 3.3 V ± 0.3 V
    7. 5.7  Timing Requirements, VCC = 5 V ± 0.5 V
    8. 5.8  Switching Characteristics, VCC = 3.3 V ± 0.3 V
    9. 5.9  Switching Characteristics, VCC = 5 V ± 0.5 V
    10. 5.10 Noise Characteristics
    11. 5.11 Operating Characteristics
    12. 5.12 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Links
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 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)
  • W|20
  • J|20
  • FK|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.8 Switching Characteristics, VCC = 3.3 V ± 0.3 V

over recommended operating free-air temperature range (unless otherwise noted) (see Load Circuit and Voltage Waveforms)
PARAMETERFROM
(INPUT)		TO
(OUTPUT)		LOAD
CAPACITANCE		TA = 25°CSN54AHC273SN74AHC273UNIT
MINTYPMAXMINMAXMINMAX
fmaxCL = 15 pF75(1)120(1)65(1)65MHz
CL = 50 pF50754545
tPHLCLRQCL = 15 pF8.9(1)13.6(1)1(1)16(1)116ns
tPLHCKL QCL = 15 pF8.7(1)13.6(1)1(1)16(1)116
tPHL8.7(1)13.6(1)1(1)16(1)116ns
tPHLCLRQCL = 50 pF11.417.1119.5119.5
tPLHCLKQCL = 50 pF11.217.1119.5119.5ns
tPHL11.217.1119.5119.5ns
tsk(o)CL = 50 pF1.5(2)1.5ns
(1) On products compliant to MIL-PRF-38535, this parameter is not production tested.
(2) On products compliant to MIL-PRF-38535, this parameter does not apply.