SCHS185E September   1997  – April 2022 CD54HCT390 , CD74HC390 , CD74HCT390

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
    2. 5.2 Recommended Operating Conditions (1)
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Prerequisite for Switching Characteristics
    6. 5.6 Switching Characteristics
  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 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 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|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Prerequisite for Switching Characteristics

PARAMETER VCC (V) 25℃ -40℃ to 85℃ -55℃ to 125℃ UNIT
MIN MIN MAX MIN MAX
HC TYPES
fMAX Maximum Clock Frequency 2 6 5 4 MHz
4.5 30 24 20
6 35 28 24
tW Clock Pulse Width, nCLKA, nCLKB 2 80 100 120 ns
4.5 16 20 24
6 14 17 20
tREM Reset Removal Time 2 70 90 105 ns
4.5 14 18 21
6 12 15 18
tW Reset Pulse Width 2 50 65 75 ns
4.5 10 13 15
6 9 11 13
HCT TYPES
fMAX Maximum Clock Frequency 4.5 27 22 18 MHz
tW Clock Pulse Width, nCLKA, nCLKB 4.5 19 24 29 ns
tREM Reset Removal Time 4.5 15 19 22 ns
tW Reset Pulse Width 4.5 13 16 20 ns