SCES818C September   2010  – July 2024 SN74LVC2T45-Q1

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: VCCA = 1.8V ± 0.15V
    7. 5.7  Switching Characteristics: VCCA = 2.5V ± 0.2V
    8. 5.8  Switching Characteristics: VCCA = 3.3V ± 0.3V
    9. 5.9  Switching Characteristics: VCCA = 5V ± 0.5V
    10. 5.10 Operating Characteristics
    11. 5.11 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
      1. 7.3.1 Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.65V to 5.5V Power-Supply Range
      2. 7.3.2 Support High-Speed Translation
      3. 7.3.3 Ioff Supports Partial-Power-Down Mode Operation
      4. 7.3.4 Balanced High-Drive CMOS Push-Pull Outputs
      5. 7.3.5 Glitch-Free Power Supply Sequencing
      6. 7.3.6 Vcc Isolation
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Unidirectional Logic Level-Shifting Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Bidirectional Logic Level-Shifting Application
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Enable Times
        3. 8.2.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power-Up Consideration
    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 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

5.8 Switching Characteristics: VCCA = 3.3V ± 0.3V

over recommended operating free-air temperature range, VCCA = 3.3V ± 0.3V (unless otherwise noted) (see Figure 6-1)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 VCCB = 1.8V
±0.15V		 VCCB = 2.5V
±0.2V		 VCCB = 3.3V
±0.3V		 VCCB = 5V
±0.5V		 UNIT
MIN MAX MIN MAX MIN MAX MIN MAX
tPLH A B 2.1 19.5 1.4 12 0.7 9.6 0.7 8.4 ns
tPHL 2 16.6 1.3 11 0.8 9 0.7 8
tPLH B A 1.7 12.3 1.3 10.4 0.7 9.8 0.6 9.4 ns
tPHL 1.8 11.1 1.3 9.4 0.8 9 0.7 8.5
tPHZ DIR A

4.5

 14.9

4.5

 14.8

4.4

 14.8

4.4

 14.4 ns
tPLZ 3.4 12.4 3.7 12.4 3.9 12.1 3.3 11.8
tPHZ DIR B

5.7

 31.3

4.7

 17.7

4.7

 14.4 2.9 11.4 ns
tPLZ

4.5

 21.7

3.5

 15.3 4.3 12.3 1 9.6
tPZH(1) DIR A 34 25.7 22.1 19 ns
tPZL(1) 42.4 27.1 23.4 19.9
tPZH(1) DIR B 31.9 24.4 21.9 20.2 ns
tPZL(1) 31.5 25.8 23.8 22.4
(1) The enable time is a calculated value, derived using the formula shown in the Enable Times section.