SLLS732A October   2006  – November 2019 SN65LBC174A-EP

PRODUCTION DATA.  

  1. 1Features
  2. 2Applications
  3. 3Description
    1.     Device Images
      1.      Logic Diagram (Positive Logic)
  4. 4Revision History
  5. 5Description (continued)
    1. 5.1 Pin Configuration and Functions
      1.      Pin Functions
    2. 5.2 Specifications
      1. 5.2.1 Absolute Maximum Ratings
      2. 5.2.2 ESD Ratings
      3. 5.2.3 Recommended Operating Conditions
      4. 5.2.4 Thermal Information
      5. 5.2.5 Electrical Characteristics
      6. 5.2.6 Switching Characteristics
      7. 5.2.7 Typical Characteristics
    3. 5.3 Parameter Measurement Information
    4. 5.4 Detailed Description
      1. 5.4.1 Overview
      2. 5.4.2 Functional Block Diagram
      3. 5.4.3 Feature Description
      4. 5.4.4 Device Functional Modes
    5. 5.5 Application and Implementation
      1. 5.5.1 Application Information
      2. 5.5.2 Typical Application
        1. 5.5.2.1 Design Requirements
        2. 5.5.2.2 Detailed Design Procedure
        3. 5.5.2.3 Application Curve
    6. 5.6 Power Supply Recommendations
    7. 5.7 Layout
      1. 5.7.1 Layout Guidelines
      2. 5.7.2 Layout Example
  6. 6Device and Documentation Support
    1. 6.1 Receiving Notification of Documentation Updates
    2. 6.2 Support Resources
    3. 6.3 Trademarks
    4. 6.4 Electrostatic Discharge Caution
    5. 6.5 Glossary
  7. 7Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DW|16
  • DW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5.2.2 Detailed Design Procedure

The interface design requirements are fairly straight forward in this single source/destination scenario. Trace lengths and cable lengths need to be matched to maximize SPI timing. If there is a benefit to put the interface to sleep, GPIOs can be used to control the enable signals of the transmitter and receiver. If GPIOs are not available, or constant uptime needed, both the enables on transmit and receive can be hard tied enabled. The link shown can operate at up to 30 Mbps, well within the capability of most SPI links.