SCLS268N December   1995  – August 2024 SN54AHCT540 , SN74AHCT540

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 Switching Characteristics
    7. 4.7 Operating 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
      2. 7.2.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      1. 8.1.1 Related Links
    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

4.6 Switching Characteristics

over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Load Circuit and Voltage Waveforms)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 LOAD
CAPACITANCE		 TA = 25°C TA = –55°C TO 125°C TA = –40°C TO 85°C TA = –40°C TO 125°C UNIT
Recommended
SN54AHCT540 SN54AHCT540 SN54AHCT540
TYP MAX MIN MAX MIN MAX MIN MAX
tPLH A Y CL = 15 pF 4.0(1) 6.0(1) 1(1) 7.5(1) 1 7.5 1 7.5 ns
tPHL 4.0(1) 6.0(1) 1(1) 7.5(1) 1 7.5 1 7.5
tPZH OE Y CL = 15 pF 5.5(1) 8.0(1) 1(1) 9(1) 1 9.0 1 9.0 ns
tPZL 5.5(1) 8.0(1) 1(1) 9(1) 1 9.0 1 9.0
tPHZ OE Y CL = 15 pF 5.0(1) 8.0(1) 1(1) 9(1) 1 9 1 9 ns
tPLZ 5.0(1) 8.0(1) 1(1) 9(1) 1 9 1 9
tPLH A Y CL = 50 pF 6.0 8.5 1 10 1 10 1 10 ns
tPHL 6.0 8.5 1 10 1 10 1 10
tPZH OE Y CL = 50 pF 7.5 11.0 1 12 1 12 1 12 ns
tPZL 7.5 11.0 1 12 1 12 1 12
tPHZ OE Y CL = 50 pF 8.0 11.0 1 12 1 12 1 12 ns
tPLZ 8.0 11.0 1 12 1 12 1 12
tsk(o) CL = 50 pF 1(2) 1
(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