SCES876A August   2018  – January 2019 SN74AXCH8T245

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Typical Application Schematic
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin 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 = 0.7 V
    7. 6.7  Switching Characteristics, VCCA = 0.8 V
    8. 6.8  Switching Characteristics, VCCA = 0.9 V
    9. 6.9  Switching Characteristics, VCCA = 1.2 V
    10. 6.10 Switching Characteristics, VCCA = 1.5 V
    11. 6.11 Switching Characteristics, VCCA = 1.8 V
    12. 6.12 Switching Characteristics, VCCA = 2.5 V
    13. 6.13 Switching Characteristics, VCCA = 3.3 V
    14. 6.14 Operating Characteristics: TA = 25°C
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Up-Translation and Down-Translation From 0.65 V to 3.6 V
      2. 8.3.2 Multiple Direction Control Pins
      3. 8.3.3 Bus-Hold Circuitry
      4. 8.3.4 Ioff Supports Partial-Power-Down Mode Operation
    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 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

8.4 Device Functional Modes

All control inputs are referenced to VCCA and must be driven to a valid Logic High or Logic Low (that is, not floating) to assure proper device operation and to prevent excessive power consumption. Table 1 summarizes the possible modes of device operation based on the configuration of the control inputs.

Table 1. Function Table(1)

CONTROL INPUTS Signal Direction
OE DIR1 DIR2 Bits 1:4 Bits 5:8
H X X Disabled (Hi-Z)
L L L B to A
L L H B to A A to B
L H L A to B
L H H A to B B to A
(1) Input circuits of the data I/Os are always active and must be driven to a valid logic level.