SLAT161 June   2022 HD3SS3411 , TMUXHS4412

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2What is PCI Express (PCIe)?
    1. 2.1 PCIe Link
    2. 2.2 PCIe Clocking Architectures
      1. 2.2.1 Common Reference Clock
      2. 2.2.2 Data Reference Clock
      3. 2.2.3 Separate Reference Clock
    3. 2.3 PCIe Reference Clock Specification
  5. 3Reference Clock Measurement With TI Multiplexers
    1. 3.1 Test Setup and Procedure
      1. 3.1.1 Test Setup
      2. 3.1.2 Test Procedure
    2. 3.2 Test Report
      1. 3.2.1 Test Result With Clock Source
      2. 3.2.2 Test Result With HD3SS3411
      3. 3.2.3 Test Result With TMUXHS4412
      4. 3.2.4 Test Result With TMUXHS221
  6. 4Summary

3.2.2 Test Result With HD3SS3411

Table 3-2 shows the test result with EVM trace only and trace + HD3SS3411.

Table 3-2 Test Result With HD3SS3411
Parameter With Trace Only With Trace +HD3SS3411 Unit
Clock + Clock- Clock + Clock -
Frequency 100.1+-14k 100.1+-19k 100.1+-17k 100.1+-15k Mhz
Amplitude 524 519 504 500 mV
Jitter 1.01 1.01 1.03 1.03 Ps (Rms)
Duty Cycle 50.1 48.6 50.2 48.6 %
Rise Time 367 382 396 416 Ps
Fall time 310 316 339 338 Ps
Vcross 266/196 NA 257/199 NA mV