SCES878 March   2019 SN74AXCH4T245

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Functional Block Diagram
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  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 = 0.7 ± 0.05 V
    7. 6.7  Switching Characteristics, VCCA = 0.8 ± 0.04 V
    8. 6.8  Switching Characteristics, VCCA = 0.9 ± 0.045 V
    9. 6.9  Switching Characteristics, VCCA = 1.2 ± 0.1 V
    10. 6.10 Switching Characteristics, VCCA = 1.5 ± 0.1 V
    11. 6.11 Switching Characteristics, VCCA = 1.8 ± 0.15 V
    12. 6.12 Switching Characteristics, VCCA = 2.5 ± 0.2 V
    13. 6.13 Switching Characteristics, VCCA = 3.3 ± 0.3 V
    14. 6.14 Operating Characteristics: TA = 25°C
    15. 6.15 Typical Characteristics
  7. Parameter Measurement Information
    1. 7.1 Load Circuit and Voltage Waveforms
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Standard CMOS Inputs
      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
      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. 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 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community 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

Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)(1)(2)(3)
MIN MAX UNIT
VCCA Supply voltage A 0.65 3.6 V
VCCB Supply voltage B 0.65 3.6 V
VIH High-level input voltage Data Inputs VCCI = 0.65 V - 0.75 V VCCI x 0.70
VCCI = 0.76 V - 1 V VCCI x 0.70
VCCI = 1.1 V - 1.95 V VCCI x 0.65
VCCI = 2.3 V - 2.7 V 1.6
VCCI = 3 V - 3.6 V VCCI x 0.65
Control Inputs(xDIR, xOE)
Referenced to VCCA
VCCA = 0.65 V - 0.75 V VCCA x 0.70
VCCA = 0.76 V - 1 V VCCA x 0.70
VCCA = 1.1 V - 1.95 V VCCA x 0.65
VCCA = 2.3 V - 2.7 V 1.6
VCCA = 3 V - 3.6 V VCCA x 0.65
VIL Low-level input voltage Data Inputs VCCI = 0.65 V - 0.75 V VCCI x 0.30 V
VCCI = 0.76 V - 1 V VCCI x 0.30
VCCI = 1.1 V - 1.95 V VCCI x 0.35
VCCI = 2.3 V - 2.7 V 0.7
VCCI = 3 V - 3.6 V 0.8
Control Inputs(xDIR, xOE)
Referenced to VCCA
VCCA = 0.65 V - 0.75 V VCCA x 0.30
VCCA = 0.76 V - 1 V VCCA x 0.30
VCCA = 1.1 V - 1.95 V VCCA x 0.35
VCCA = 2.3 V - 2.7 V 0.7
VCCA = 3 V - 3.6 V 0.8
VI Input voltage (3) 0 3.6 V
VO Output voltage Active State 0 VCCO V
Tri-State 0 3.6
Δt/Δv(2) Input transition rise and fall time 10 ns/V
TA Operating free-air temperature –40 125 °C
VCCI is the VCC associated with the input port.
VCCO is the VCC associated with the output port.
All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, SCBA004.