SCLS230N October   1995  – June 2024 SN54AHC245 , SN54AHC245-SP , SN74AHC245

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  Handling 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 Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 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

5.7 Switching Characteristics, VCC = 5 V ± 0.5 V

over recommended operating free-air temperature range (unless otherwise noted) (see Figure 6-1)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 LOAD
CAPACITANCE		 TA = 25°C SN54AHC245 SN74AHC245 UNIT
MIN TYP MAX MIN MAX MIN MAX
tPLH A or B B or A CL = 15 pF 4(1) 5.5(1) 1(1) 6.5(1) 1 6.5 ns
tPHL 4(1) 5.5(1) 1(1) 6.5(1) 1 6.5
tPZH OE A or B CL = 15 pF 5.8(1) 8.5(1) 1(1) 10(1) 1 10 ns
tPZL 5.8(1) 8.5(1) 1(1) 10(1) 1 10
tPHZ OE A or B CL = 15 pF 5.6(1) 7.8(1) 1(1) 9.2(1) 1 9.2 ns
tPLZ 5.6(1) 7.8(1) 1(1) 9.2(1) 1 9.2
tPLH A or B B or A CL = 50 pF 5.5 7.5 1 8.5 1 8.5 ns
tPHL 5.5 7.5 1 8.5 1 8.5
tPZH OE A or B CL = 50 pF 7.3 10.6 1 12 1 12 ns
tPZL 7.3 10.6 1 12 1 12
tPHZ OE A or B CL = 50 pF 7 9.7 1 11 1 11 ns
tPLZ 7 9.7 1 11 1 11
tsk(o) CL = 50 pF 1(2) 1 ns
(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.