SCLS131F December   1982  – August 2022 SN54HC245 , SN74HC245

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 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics, CL = 50 pF
    7. 6.7 Switching Characteristics, CL = 150 pF
    8. 6.8 Operating Characteristics
    9. 6.9 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 17
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

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

6.6 Switching Characteristics, CL = 50 pF

over recommended operating free-air temperature range (unless otherwise noted)
(see Figure 7-1)
PARAMETER FROM (INPUT) TO (OUTPUT) VCC TA = 25°C SN54HC245 SN74HC245 UNIT
MIN TYP MAX MIN MAX MIN MAX
tpd A or B B or A 2 V 40 105 160 130 ns
4.5 V 15 21 32 26
6 V 12 18 27 22
ten OE A or B 2 V 125 230 340 290 ns
4.5 V 23 46 68 58
6 V 20 39 58 49
tdis OE A or B 2 V 74 200 300 250 ns
4.5 V 25 40 60 50
6 V 21 34 51 43
tt A or B 2 V 20 60 90 75 ns
4.5 V 8 12 18 15
6 V 6 10 15 13