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

3.2.4 Test Result With TMUXHS221

Table 3-4 shows the test result with EVM trace only and trace + TMUXHS221

Table 3-4 Test Result With TMUXHS221
Parameter With Trace Only With Trace +TMUXHS221 Unit
Clock + Clock- Clock + Clock -
Frequency 100.1+-11k 100.1+-15k 100.1+-16k 100.1+-16k Mhz
Amplitude 521 520 512 504 mV
Jitter 1.02 1.02 1.03 1.03 Ps (Rms)
Duty Cycle 50.1 48.7 50.2 48.7 %
Rise Time 348 327 458 470 Ps
Fall time 312 301 427 398 Ps
Vcross 253/193 NA 239/181 NA mV