SCES892D November   2018  – January 2024 SN74AXC8T245-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 = 0.7V
    7. 5.7  Switching Characteristics, VCCA = 0.8V
    8. 5.8  Switching Characteristics, VCCA = 0.9V
    9. 5.9  Switching Characteristics, VCCA = 1.2V
    10. 5.10 Switching Characteristics, VCCA = 1.5V
    11. 5.11 Switching Characteristics, VCCA = 1.8V
    12. 5.12 Switching Characteristics, VCCA = 2.5V
    13. 5.13 Switching Characteristics, VCCA = 3.3V
    14. 5.14 Operating Characteristics: TA = 25°C
    15. 5.15 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 Up-Translation and Down-Translation From 0.65V to 3.6V
      2. 7.3.2 Multiple Direction Control Pins
      3. 7.3.3 Ioff Supports Partial-Power-Down Mode Operation
      4. 7.3.4 Wettable Flanks
      5. 7.3.5 I/Os with Integrated Static Pull-Down Resistors
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
    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

Package Options

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

4 Pin Configuration and Functions

GUID-A788876D-937B-4607-B16F-C99560DABC41-low.gifFigure 4-1 PW Package, 24-Pin TSSOP (Top View)
GUID-A4354ED3-EB7F-49E7-A515-F52E95431AEE-low.gif
PAD — may be grounded (recommended) or left floating.
Figure 4-2 RHL and WRGY Package, 24-Pin VQFN (Top View)
Table 4-1 Pin Functions
PIN TYPE(1) DESCRIPTION
NAME NO.
A1 3 I/O Input/output A1. Referenced to VCCA.
A2 4 I/O Input/output A2. Referenced to VCCA.
A3 5 I/O Input/output A3. Referenced to VCCA.
A4 6 I/O Input/output A4. Referenced to VCCA.
A5 7 I/O Input/output A5. Referenced to VCCA.
A6 8 I/O Input/output A6. Referenced to VCCA.
A7 9 I/O Input/output A7. Referenced to VCCA.
A8 10 I/O Input/output A8. Referenced to VCCA.
B1 21 I/O Input/output B1. Referenced to VCCB.
B2 20 I/O Input/output B2. Referenced to VCCB.
B3 19 I/O Input/output B3. Referenced to VCCB.
B4 18 I/O Input/output B4. Referenced to VCCB.
B5 17 I/O Input/output B5. Referenced to VCCB.
B6 16 I/O Input/output B6. Referenced to VCCB.
B7 15 I/O Input/output B7. Referenced to VCCB.
B8 14 I/O Input/output B8. Referenced to VCCB.
DIR1 2 I Direction-control signal 1. Referenced to VCCA. Refer to Table 7-1.
DIR2 11 I Direction-control signal 2. Refer to Table 7-1.
Referenced to VCCA. Tie to GND to maintain backward compatibility with SN74AVC8T245-Q1 device.
GND 12 — Ground
13 — Ground
OE 22 I Output Enable. Pull to GND to enable all outputs. Pull to VCCA to place all outputs in high-impedance mode. Referenced to VCCA. Refer to Table 7-1.
VCCA 1 — A-port supply voltage. 0.65V ≤ VCCA ≤ 3.6V
VCCB 23 — B-port supply voltage. 0.65V ≤ VCCB ≤ 3.6V
24 — B-port supply voltage. 0.65V ≤ VCCB ≤ 3.6V
(1) PAD - may be grounded (recommended) or left floating.