SCLS233S october   1995  – july 2023 SN54AHCT245 , SN74AHCT245

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 5
  6. 5 Pin Configuration and Functions
  7. 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
    7. 6.7 Noise Characteristics
    8. 6.8 Operating Characteristics
    9. 6.9 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  10. 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 Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.6 Switching Characteristics

over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see (1))
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 LOAD
CAPACITANCE		 TA = 25°C SN54AHCT245
–55°C TO 125°C		 SN74AHCT245
–40°C TO 85°C		 Recommended
SN74AHCT245
–40°C TO 125°C		 UNIT
TYP MAX MIN MAX MIN MAX MIN MAX
tPLH A or B B or A CL = 15 pF 4.5(1) 7.7(1) 1(1) 10(1) 1 8.5 1 10 ns
tPHL 4.5(1) 7.7(1) 1(1) 10(1) 1 8.5 1 10
tPZH OE A or B CL = 15 pF 8.9(1) 13.8(1) 1(1) 16(1) 1 15 1 16 ns
tPZL 8.9(1) 13.8(1) 1(1) 16(1) 1 15 1 16
tPHZ OE A or B CL = 15 pF 9.2(1) 14.4(1) 1(1) 16.5(1) 1 15.5 1 16.5 ns
tPLZ 9.2(1) 14.4(1) 1(1) 16.5(1) 1 15.5 1 16.5
tPLH A or B B or A CL = 50 pF 5.3 8.7 1 11 1 9.5 1 11 ns
tPHL 5.3 8.7 1 11 1 9.5 1 11
tPZH OE A or B CL = 50 pF 9.7 14.8 1 17 1 16 1 17 ns
tPZL 9.7 14.8 1 17 1 16 1 17
tPHZ OE A or B CL = 50 pF 10 15.4 1 17.5 1 16.5 1 17.5 ns
tPLZ 10 15.4 1 17.5 1 16.5 1 17.5
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.