SCLS307D January   1996  – May 2022 SN54HC377 , SN74HC377

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions (1)
    3. 6.3 Thermal Information
    4. 6.4 Electrical Characteristics
    5. 6.5 Timing Requirements
    6. 6.6 Switching Characteristics
    7. 6.7 Operating Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Device Functional Modes
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

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

6.5 Timing Requirements

VCC TA = 25°C SN54HC377 SN74HC377 UNIT
MIN MAX MIN MAX MIN MAX
fclock Clock frequency 2 5 3 4 MHz
4.5 25 16 20
6 29 19 23
tW Pulse duration, CLK high or low 2 100 150 125 ns
4.5 20 30 25
6 17 25 21
tsu Setup time, data before CLK↑ D 2 100 150 125 ns
4.5 20 30 25
6 17 25 21
CLKEN high or low 2 100 150 125
4.5 20 30 25
6 17 25 21
th Hold time, data after LE↑ CLKEN inactive or active, data 2 5 5 5 ns
4.5 5 5 5
6 5 5 5