SLLS902A February   2010  – March 2024 SN65MLVD040

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  Reccommended Operationg Conditions
    3. 5.3  Thermal Characteristics
    4. 5.4  Package Dissipation Ratings
    5. 5.5  Device Electrical Characteristics
    6. 5.6  Driver Electrical Characteristics
    7. 5.7  Reciver Electrical Charecteristics
    8. 5.8  Bus Input and Output Electrical Characteristics
    9. 5.9  Driver Switching Characterisitics
    10. 5.10 Reciever Switching Charecteristics
    11. 5.11 Typical Characteristics
  7. 6 Paramater Measurement Information
    1. 6.1 Equivalent Input and Output Schematic Diagrams
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Source Synchronous System Clock (SSSC)
        1. 7.1.1.1 Live Insertion/Glitch-Free Power Up/Down
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

7.1.1.1 Live Insertion/Glitch-Free Power Up/Down

The SN65MLVD040 family of products offered by Texas Instruments provides a glitch-free powerup/down feature that prevents the M-LVDS outputs of the device from turning on during a powerup or powerdown event. This is especially important in live insertion applications, when a device is physically connected to an M-LVDS multipoint bus and VCC is ramping.

While the M-LVDS interface for these devices is glitch free on powerup/down, the receiver output structure is not. Figure 7-2 shows the performance of the receiver output pin, R (CHANNEL 2), as VCC (CHANNEL 1) is ramped.

SN65MLVD040 M-LVDS Receiver Output: VCC (CHANNEL 1), R Pin (CHANNEL 2)Figure 7-2 M-LVDS Receiver Output: VCC (CHANNEL 1), R Pin (CHANNEL 2)

The glitch on the R pin is independent of the RE voltage. Any complications or issues from this glitch are resolved in power sequencing or system requirements that suspend operation until VCC has reached a steady state value.