SCLS226L October   1995  – July 2024 SN54AHC244 , SN54AHC244-SP , SN74AHC244

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
  6. 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 = 3.3V ± 0.3V
    7. 5.7  Switching Characteristics, VCC = 5V ± 0.5V
    8. 5.8  Noise Characteristics
    9. 5.9  Operating Characteristics
    10. 5.10 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  9. Application and Implementation
    1. 8.1 Power Supply Recommendations
    2. 8.2 Layout
      1. 8.2.1 Layout Guidelines
      2. 8.2.2 Layout Example
  10. Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Switching Characteristics, VCC = 3.3V ± 0.3V

over recommended operating free-air temperature range, VCC = 3.3V ± 0.3V (unless otherwise noted) (see Load Circuit and Voltage Waveforms)
PARAMETERFROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
TA = 25°CSN54AHC244 SN74AHC244 UNIT
MINTYPMAXMINMAXMINMAX
tPLHAYCL = 15pF5.8(1)8.4(1)1(1)10(1)110ns
tPHL5.8(1)8.4(1)1(1)10(1)110
tPZHOEYCL = 15pF6.6(1)10.6(1)1(1)12.5(1)112.5ns
tPZL6.6(1)10.6(1)1(1)12.5(1)112.5
tPHZOEYCL = 15pF5(1)9.7(1)1(1)11(1)111ns
tPLZ5(1)9.7(1)1(1)11(1)111
tPLHAYCL = 50pF8.311.9113.5113.5ns
tPHL8.311.9113.5113.5
tPZHOEYCL = 50pF9.114.1116116ns
tPZL9.114.1116116
tPHZOEYCL = 50pF10.314116116ns
tPLZ10.314116116
tsk(o)CL = 50pF1.5(2)1.5ns
On products compliant to MIL-PRF-38535, this parameter is not production tested.
On products compliant to MIL-PRF-38535, this parameter does not apply.