SCES917B December   2019  – March 2021 SN74LXCH8T245

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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, VCCA = 1.2 ± 0.1 V
    7. 6.7  Switching Characteristics, VCCA = 1.5 ± 0.1 V
    8. 6.8  Switching Characteristics, VCCA = 1.8 ± 0.15 V
    9. 6.9  Switching Characteristics, VCCA = 2.5 ± 0.2 V
    10. 6.10 Switching Characteristics, VCCA = 3.3 ± 0.3 V
    11. 6.11 Switching Characteristics, VCCA = 5.0 ± 0.5 V
    12. 6.12 Switching Characteristics: Tsk, TMAX
    13. 6.13 Operating Characteristics
    14. 6.14 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Load Circuit and Voltage Waveforms
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  CMOS Schmitt-Trigger Inputs with Integrated Pulldowns
        1. 8.3.1.1 Control Inputs with Integrated Static Pull-Down Resistors
      2. 8.3.2  Balanced High-Drive CMOS Push-Pull Outputs
      3. 8.3.3  Partial Power Down (Ioff)
      4. 8.3.4  VCC Isolation and VCC Disconnect
      5. 8.3.5  Over-Voltage Tolerant Inputs
      6. 8.3.6  Glitch-Free Power Supply Sequencing
      7. 8.3.7  Negative Clamping Diodes
      8. 8.3.8  Fully Configurable Dual-Rail Design
      9. 8.3.9  Supports High-Speed Translation
      10. 8.3.10 Bus-Hold Data Inputs
    4. 8.4 Device Functional Modes
  9. 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 Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

6.12 Switching Characteristics: Tsk, TMAX

over operating free-air temperature range (unless otherwise noted)
PARAMETERTEST CONDITIONSVCCIVCCOOperating free-air temperature (TA)UNIT
-40°C to 125°C
MINTYPMAX
TMAX - Maximum Data Rate50% Duty Cycle Input
One channel switching

20% of pulse > 0.7*VCCO
20% of pulse < 0.3*VCCO		Up Translation3.0 V – 3.6 V4.5 V – 5.5 V200420Mbps
1.65 V – 1.95 V4.5 V – 5.5 V100200Mbps
1.1 V – 1.3 V4.5 V – 5.5 V2040Mbps
1.65 V – 1.95 V3.0 V – 3.6 V100210Mbps
1.1 V – 1.3 V3.0 V – 3.6 V1020Mbps
1.1 V – 1.3 V1.65 V – 1.95 V510Mbps
Down Translation4.5 V – 5.5 V3.0 V – 3.6 V100210Mbps
4.5 V – 5.5 V1.65 V – 1.95 V5075Mbps
4.5 V – 5.5 V1.1 V – 1.3 V1530Mbps
3.0 V – 3.6 V1.65 V – 1.95 V4075Mbps
3.0 V – 3.6 V1.1 V – 1.3 V1020Mbps
1.65 V – 1.95 V1.1 V – 1.3 V510Mbps
tsk – Output skewTiming skew between any two switching outputs within the same deviceUp Translation3.0 V – 3.6 V4.5 V – 5.5 V0.5ns
1.65 V – 1.95 V4.5 V – 5.5 V1
1.1 V – 1.3 V4.5 V – 5.5 V1.5
1.65 V – 1.95 V3.0 V – 3.6 V1
1.1 V – 1.3 V3.0 V – 3.6 V1.5
1.1 V – 1.3 V1.65 V – 1.95 V2
Down Translation4.5 V – 5.5 V3.0 V – 3.6 V0.5
4.5 V – 5.5 V1.65 V – 1.95 V1
4.5 V – 5.5 V1.1 V – 1.3 V1.5
3.0 V – 3.6 V1.65 V – 1.95 V1
3.0 V – 3.6 V1.1 V – 1.3 V1.5
1.65 V – 1.95 V1.1 V – 1.3 V2