SLLSEA2D December   2011  – May 2015 SN65HVD255 , SN65HVD256 , SN65HVD257

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Options
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Power Dissipation
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 TXD Dominant Timeout (DTO)
      2. 9.3.2 RXD Dominant Timeout (SN65HVD257)
      3. 9.3.3 Thermal Shutdown
      4. 9.3.4 Undervoltage Lockout
      5. 9.3.5 FAULT Pin (SN65HVD257)
      6. 9.3.6 Unpowered Device
      7. 9.3.7 Floating Pins
      8. 9.3.8 CAN Bus Short-Circuit Current Limiting
    4. 9.4 Device Functional Modes
      1. 9.4.1 Operating Modes
      2. 9.4.2 Can Bus States
      3. 9.4.3 Normal Mode
      4. 9.4.4 Silent Mode
      5. 9.4.5 Digital Inputs and Outputs
        1. 9.4.5.1 5-V VCC Only Devices (SN65HVD255 and SN65HVD257)
        2. 9.4.5.2 5-V VCC With VRXD RXD Output Supply Devices (SN65HVD256)
        3. 9.4.5.3 5-V VCC with FAULT Open-Drain Output Device (SN65HVD257)
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Bus Loading, Length, and Number of Nodes
    2. 10.2 Typical Applications
      1. 10.2.1 Typical 5-V Microcontroller Application
        1. 10.2.1.1 Design Requirements
          1. 10.2.1.1.1 CAN Termination
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Example: Functional Safety Using the SN65HVD257 in a Redundant Physical Layer CAN Network Topology
        3. 10.2.1.3 Application Curves
      2. 10.2.2 Typical 3.3-V Microcontroller Application
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Related Links
    2. 13.2 Trademarks
    3. 13.3 Electrostatic Discharge Caution
    4. 13.4 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

8 Parameter Measurement Information

SN65HVD255 SN65HVD256 SN65HVD257 test_rxd-dom_timeout_llsea2.gifFigure 4. RXD Dominant Timeout Test Circuit and Measurement
SN65HVD255 SN65HVD256 SN65HVD257 test_fault_257_llsea2.gifFigure 5. FAULT Test and Measurement
SN65HVD255 SN65HVD256 SN65HVD257 dvr_tst_cir_llsea2.gifFigure 6. Driver Test Circuit and Measurement
SN65HVD255 SN65HVD256 SN65HVD257 rx_tst_cir_llsea2.gifFigure 7. Receiver Test Circuit and Measurement
SN65HVD255 SN65HVD256 SN65HVD257 tmode_tst_cir_llsea2.gifFigure 8. tMODE Test Circuit and Measurement

Table 1. Receiver Differential Input Voltage Threshold Test

INPUT OUTPUT
VCANH VCANL |VID| RXD
–1.1 V –2.0 V 900 mV L VOL
7.0 V 6.1 V 900 mV L
–1.5 V –2.0 V 500 mV H VOH
7.0 V 6.5 V 500 mV H
Open Open X H
SN65HVD255 SN65HVD256 SN65HVD257 tprop_tst_cir_llsea2.gifFigure 9. TPROP(LOOP) Test Circuit and Measurement
SN65HVD255 SN65HVD256 SN65HVD257 txd_tim_tst_llsea2.gifFigure 10. TXD Dominant Timeout Test Circuit and Measurement
SN65HVD255 SN65HVD256 SN65HVD257 dvr_short_cir_tst_llsea2.gifFigure 11. Driver Short Circuit Current Test and Measurement