SNLS426F August   2012  – November 2018 DS125BR800

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application
  4. 4 Revision History
  5. 5 Description (cont.)
  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 Electrical Characteristics
    6. 7.6 Electrical Characteristics: Serial Management Bus Interface
    7. 7.7 Timing Requirements
    8. 7.8 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 4-Level Input Configuration Guidelines
      2. 8.3.2 PCIe Signal Integrity
        1. 8.3.2.1 RX-Detect in SAS/SATA (up to 6 Gbps) Applications
          1. 8.3.2.1.1 Signal Detect Control for Datarates above 8 Gbps
        2. 8.3.2.2 MODE Operation with SMBus Registers
    4. 8.4 Device Functional Modes
      1. 8.4.1 Pin Control Mode
      2. 8.4.2 SMBus Mode
    5. 8.5 Programming
      1. 8.5.1 SMBus Master Mode
      2. 8.5.2 Transfer of Data Via the SMBus
      3. 8.5.3 System Management Bus (SMBus) and Configuration Registers
      4. 8.5.4 SMBus Transactions
      5. 8.5.5 Writing a Register
      6. 8.5.6 Reading a Register
    6. 8.6 Register Maps
  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
    1. 10.1 3.3-V or 2.5-V Supply Mode Operation
    2. 10.2 Power Supply Bypassing
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    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

9.2.3 Application Curves

DS125BR800 30198769.png
DS125BR800 settings: EQ[1:0] = 0, F = 0x02, DEM[1:0] = 0, 1
Figure 12. TL = 10 inch 5–mil FR4 trace, 5 Gbps
DS125BR800 30198758.png
DS125BR800 settings: EQ[1:0] = 0, R = 0x01, DEM[1:0] = 0, 1
Figure 14. TL = 10 inch 5–mil FR4 trace, 12 Gbps
DS125BR800 30198761.png
DS125BR800 settings: EQ[1:0] = 0, 1 = 0x03, DEM[1:0] = 0, 1
Figure 16. TL = 20 inch 5–mil FR4 trace, 8 Gbps
DS125BR800 30198766.png
DS125BR800 settings: EQ[1:0] = R, 0 = 0x07, DEM[1:0] = 0, 1
Figure 18. TL = 30 inch 5–mil FR4 trace, 5 Gbps
DS125BR800 30198768.png
DS125BR800 settings: EQ[1:0] = R, 0 = 0x07, DEM[1:0] = 0, 1
Figure 20. TL = 30 inch 5–mil FR4 trace, 12 Gbps
DS125BR800 30198757.png
DS125BR800 settings: EQ[1:0] = R, 1 = 0x0F, DEM[1:0] = 0, 1
Figure 22. TL1 = 8-meter 30-AWG 100 Ω Twin-axial Cable, 12 Gbps
DS125BR800 30198763.png
DS125BR800 settings: EQ[1:0] = R, 1 = 0x0F, DEM[1:0] = R, 0
Figure 24. TL1 = 20 inch 5–mil FR4 trace, TL2 = 10 inch 5–mil FR4 trace, 8 Gbps
DS125BR800 30198759.png
DS125BR800 settings: EQ[1:0] = 0, F = 0x02, DEM[1:0] = 0, 1
Figure 13. TL = 10 inch 5–mil FR4 trace, 8 Gbps
DS125BR800 30198760.png
DS125BR800 settings: EQ[1:0] = 0, 1 = 0x03, DEM[1:0] = 0, 1
Figure 15. TL = 20 inch 5–mil FR4 trace, 5 Gbps
DS125BR800 30198765.png
DS125BR800 settings: EQ[1:0] = 0, 1 = 0x03, DEM[1:0] = 0, 1
Figure 17. TL = 20 inch 5–mil FR4 trace, 12 Gbps
DS125BR800 30198767.png
DS125BR800 settings: EQ[1:0] = R, 0 = 0x07, DEM[1:0] = 0, 1
Figure 19. TL = 30 inch 5–mil FR4 trace, 8 Gbps
DS125BR800 30198756.png
DS125BR800 settings: EQ[1:0] = R, 0 = 0x07, DEM[1:0] = 0, 1
Figure 21. TL1 = 5-meter 30-AWG 100 Ω Twin-axial Cable, 12 Gbps
DS125BR800 30198762.png
DS125BR800 settings: EQ[1:0] = 0, 1 = 0x03, DEM[1:0] = R, 0
Figure 23. TL1 = 20 inch 5–mil FR4 trace, TL2 = 10 inch 5–mil FR4 trace, 5 Gbps
DS125BR800 30198764.png
DS125BR800 settings: EQ[1:0] = R, 1 = 0x0F, DEM[1:0] = R, 0
Figure 25. TL1 = 20 inch 5–mil FR4 trace, TL2 = 10 inch 5–mil FR4 trace, 12 Gbps