SCLS099I December   1982  – September 2024 SN54HC112 , SN74HC112

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 #GUID-2EBD0632-9121-4D73-88A3-4D53587EF83D/GUID-D459A9EC-CCFD-4DD4-8D23-57A07F876135
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Timing Requirements
    6. 5.6 Switching Characteristics
    7. 5.7 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

5.5 Timing Requirements

over recommended operating free-air temperature range (unless otherwise noted)
VCC TA = 25°C SN54HC112 SN74HC112 UNIT
MIN MAX MIN MAX MIN MAX
fclock Clock frequency 2V 5 3.4 4 MHz
4.5V 25 17 20
6V 29 20 24
tw Pulse duration PRE or CLR low 2V 100 150 125 ns
4.5V 20 30 25
6V 17 25 21
CLK high or low 2V 100 150 125
4.5V 20 30 25
6V 17 25 21
tsu Setup time before CLK↓ Data (J, K) 2V 100 150 125 ns
4.5V 20 30 25
6V 17 25 21
PRE or CLR inactive 2V 100 150 125
4.5V 20 30 25
6V 17 25 21
th Hold time, data after CLK↓ 2V 0 0 0 ns
4.5V 0 0 0
6V 0 0 0