SCHS249C November   1998  – May 2024 CD54AC273 , CD54ACT273 , CD74AC273 , CD74ACT273

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 ESD Ratings
    3. 4.3 Recommended Operating Conditions
    4. 4.4 Thermal Information
    5. 4.5 Electrical Characteristics
    6. 4.6 Prerequisite for Switching Function
    7. 4.7 Switching 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
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      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)
  • J|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4.6 Prerequisite for Switching Function

PARAMETER SYMBOL VCC (V) -40°C TO 85°C -55°C TO 125°C UNITS
MIN MAX MIN MAX
AC TYPES
Data to CP Set-Up Time tSU 1.5 2 - 2 - ns
3.3 (1) 2 - 2 - ns
5(2) 2 - 2 - ns
Hold Time tH 1.5 2 - 2 - ns
3.3 2 - 2 - ns
5 2 - 2 - ns
Removal Time, MR to CP tREM 1.5 2 - 2 - ns
3.3 2 - 2 - ns
5 2 - 2 - ns
MR Pulse Width tW 1.5 55 - 63 - ns
3.3 6.1 - 7 - ns
5 4.4 - 5 - ns
CP Pulse Width tW 1.5 55 - 63 - ns
3.3 6.1 - 7 - ns
5 4.4 - 5 - ns
CP Frequency fMAX 1.5 9 - 8 - MHz
3.3 81 - 71 - MHz
5 114 - 100 - MHz
ACT TYPES
Data to CP Set-Up Time tSU 5(2) 2 - 2 - ns
Hold Time tH 5 2 - 2 - ns
Removal Time MR to CP tREM 5 2 - 2 - ns
MR Pulse Width tW 5 4.4 - 5 - ns
CP Pulse Width tW 5 5.3 - 6 - ns
CP Frequency fMAX 5 97 - 85 - MHz
(1) 3.3V Min is at 3.6V, Max is at 3V.
(2) 5V Min is at 5.5V, Max is at 4.5V.