SCLS143E December   1982  – December 2024 SN54HC393 , SN74HC393

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Description
  4. 3 Pin Configuration and Functions
  5. 4 Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 Recommended Operating Conditions
    3. 4.3 Thermal Information
    4. 4.4 Electrical Characteristics
    5. 4.5 Timing Requirements
    6. 4.6 Switching Characteristics
    7. 4.7 Operating Characteristics
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
      2. 7.2.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|14
  • DYY|14
  • DB|14
  • PW|14
  • N|14
  • NS|14
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4.5 Timing Requirements

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER VCC TA = 25℃ SN54HC393 SN74HC393 UNIT
MIN MAX MIN MAX MIN MAX
fclock Clock frequency 2 V 6 4.2 5 MHz
4.5 V 31 21 25
6 V 36 25 28
tw Pulse duration CLK high or low 2 V 80 120 100 ns
4.5 V 16 24 20
6 V 14 20 18
CLR high 2 V 80 120 100
4.5 V 16 24 20
6 V 14 20 18
tsu Setup time, CLR inactive 2 V 25 25 25 ns
4.5 V 5 5 5
6 V 5 5 5