SCLS260N December   1995  – July 2024 SN54AHC540 , SN74AHC540

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  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics
    6. 5.6  Switching Characteristics, VCC = 3.3 V ± 0.3 V
    7. 5.7  Switching Characteristics, VCC = 5 V ± 0.5 V
    8. 5.8  Noise Characteristics
    9. 5.9  Operating Characteristics
    10. 5.10 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Layout Guidelines
    4. 8.4 Layout
      1. 8.4.1 Layout Example
  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

Package Options

Refer to the PDF data sheet for device specific package drawings

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

5.6 Switching Characteristics, VCC = 3.3 V ± 0.3 V

over recommended operating free-air temperature range (unless otherwise noted) (see Figure 6-1)
PARAMETERFROM
(INPUT)		TO
(OUTPUT)		LOAD
CAPACITANCE		TA = 25°CSN54AHC540SN74AHC540TA = –40°C to 125°C
SN74AHC540		UNIT
TYPMAXMINMAXMINMAXMINMAX
tPLHAYCL = 15 pF4.8(1)7(1)1(1)8.5(1)18.519.5ns
tPHL4.8(1)7(1)1(1)8.5(1)18.519.5
tPZHOEYCL = 15 pF6.8(1)10.5(1)1(1)12.5(1)112.5113.5ns
tPZL6.8(1)10.5(1)1(1)12.5(1)112.5113.5
tPHZOEYCL = 15 pF6.8(1)10.5(1)1(1)12.5(1)112.5113.5ns
tPLZ6.8(1)10.5(1)1(1)12.5(1)112.5113.5
tPLHAYCL = 50 pF7.310.5112112113.5ns
tPHL7.310.5112112113.5
tPZHOEYCL = 50 pF814116116117ns
tPZL814116116117
tPHZOEYCL = 50 pF815.4117.5117.5118.5ns
tPLZ815.4117.5117.5118.5
tsk(o)CL = 50 pF1.5(2)1.5ns
(1) On products compliant to MIL-PRF-38535, this parameter is not production tested.
(2) On products compliant to MIL-PRF-38535, this parameter does not apply.