SGLS307P July   2006  – February 2018 TLK2711-SP

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     External Component Interconnection
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
    1.     Pin 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 TTL Input Electrical Characteristics
    6. 7.6 Transmitter/Receiver Electrical Characteristics
    7. 7.7 Reference Clock (TXCLK) Timing Requirements
    8. 7.8 TTL Output Switching Characteristics
    9. 7.9 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Transmit Interface
      2. 8.3.2  Transmit Data Bus
      3. 8.3.3  Data Transmission Latency
      4. 8.3.4  8-Bit/10-Bit Encoder
      5. 8.3.5  Pseudo-Random Bit Stream (PRBS) Generator
      6. 8.3.6  Parallel to Serial
      7. 8.3.7  High-Speed Data Output
      8. 8.3.8  Receive Interface
      9. 8.3.9  Receive Data Bus
      10. 8.3.10 Data Reception Latency
      11. 8.3.11 Serial to Parallel
      12. 8.3.12 Comma Detect and 8-Bit/10-Bit Decoding
      13. 8.3.13 LOS Detection
      14. 8.3.14 PRBS Verification
      15. 8.3.15 Reference Clock Input
      16. 8.3.16 Operating Frequency Range
      17. 8.3.17 Testability
      18. 8.3.18 Loopback Testing
      19. 8.3.19 BIST
      20. 8.3.20 Power-On Reset
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-Down Mode
      2. 8.4.2 High-Speed I/O Directly-Coupled Mode
      3. 8.4.3 High-Speed I/O AC-Coupled Mode
  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 Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

8.3.13 LOS Detection

The TLK2711-SP has a LOS detection circuit for conditions where the incoming signal no longer has a sufficient voltage level to keep the clock recovery circuit in lock. The signal detection circuit is intended to be an indication of gross signal error conditions, such as a detached cable or no signal being transmitted, and not an indication of signal coding health. The TLK2711-SP reports this condition by asserting RKLSB, RKMSB, and RXD0 to RXD15 pins to a high state. As long as the differential signal is above 200 mV in differential magnitude, the LOS circuit does not signal an error condition. When the device is disabled (ENABLE = L), RKMSB will output the status of LOS. Active low = LOS detected.