SCHS134G February   1998  – October 2022 CD54HC73 , CD74HC73 , CD74HCT73

PRODUCTION DATA  

  1. 1 Features
  2. 2 Description
  3. 3 Revision History
  4. 4 Pin Configuration and Functions
  5. 5 Specifications
    1. 5.1 Absolute Maximum Ratings (1)
    2. 5.2 Recommended Operating Conditions
    3. 5.3 Thermal Information
    4. 5.4 Electrical Specifications
    5. 5.5 Prerequisite for Switching Specifications
    6. 5.6 Switching Specifications
  6. 6 Parameter Measurement Information
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Device Functional Modes
  8. 8 Power Supply Recommendations
  9. 9 Layout
    1. 9.1 Layout Guidelines
  10. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • J|14
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.3 Device Functional Modes

Table 7-1 Truth Table(1)
INPUTS OUTPUTS
R CP J K Q Q
L X X X L H
H ↓ L L No change
H ↓ H L H L
H ↓ L H L H
H ↓ H H Toggle
H H X X No change
(1) H = high level (steady state), L = low level (steady state), X = irrelevant, ↓ = high-to-low transition