SNAA386 November   2023 CDCE6214 , CDCE6214-Q1 , CDCE6214Q1TM , LMK00301 , LMK00304 , LMK00306 , LMK00308 , LMK00334 , LMK00334-Q1 , LMK00338 , LMK03318 , LMK03328 , LMK3H0102 , LMK6C , LMK6H , LMKDB1104 , LMKDB1108 , LMKDB1120 , LMKDB1202 , LMKDB1204

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Introduction to PCIe
    1. 2.1 The PCIe Link
  6. 3PCIe Clocking Architectures
    1. 3.1 Common Clock Architecture
    2. 3.2 Separate Reference Architecture
    3. 3.3 Spread Spectrum Clocking
    4. 3.4 PCIe REFCLK Topology
    5. 3.5 Noise Folding
  7. 4PCIe Clocking Specifications
    1. 4.1 REFCLK Output Format
    2. 4.2 PCIe Jitter Requirements
    3. 4.3 PCIe Time Domain Requirements
  8. 5REFCLK Measurement Technique
    1. 5.1 Clock Generator Measurement Results
      1. 5.1.1 PNA Measurement Result without SSC
      2. 5.1.2 PCIe Filtered PNA Result without SSC
      3. 5.1.3 PNA Measurement Result, With SSC
      4. 5.1.4 PCIe Filtered PNA Result, With SSC
      5. 5.1.5 Time Domain PCIe Measurement Result
    2. 5.2 Clock Buffer Measurement Results
      1. 5.2.1 PNA Measurement Result
      2. 5.2.2 PCIe Filtered PNA Result
      3. 5.2.3 Time Domain PCIe Measurement Result
  9. 6Texas Instruments Products with PCIe Compliance
  10. 7Summary
  11. 8References

6 Texas Instruments Products with PCIe Compliance

Texas Instruments offers a variety of clock generator and clock buffer products that meet the PCIe standards. Table 6-1 lists the products that have been evaluated for PCIe compliance. As stringency of the standard increases with PCIe generation, each product passes generations prior to the listed generation. PCIe reports are available on the product pages for the LMK3H0102 and LMKDB11xx device families.

Table 6-1 Texas Instruments PCIe Compliant Devices
Part Number Product Family Differential Outputs Product Family Link PCIe Generation Compliance
LMK3H0102 Reference-less BAW-based Clock Generator 2 LMK3H0102 Product Page Gen 6.0
LMKDB1120

LMKDB1108

LMKDB1104

LMKDB1204

LMKDB1202

 LP-HCSL Clock Buffers and Multiplexers

20

8

4

4

2

 LMKDB11xx Product Page Gen 6.0

LMK6H

LMK6C (1)

 Low Jitter High Performance BAW-based Oscillator

1

LVCMOS

 LMK6H Product Page 6.0

CDCE6214

CDCE6214-Q1

CDCE6214Q1TM

 Ultra-Low Power Clock Generators

4

4

4

 CDCE6214 Product Page Gen 5.0

LMK00338

LMK00334

LMK00334-Q1

 LP-HCSL Clock Buffers and Level Translators

8

4

4

 LMK00338 Product Page Gen 5.0

LMK03328

LMK03318

 Ultra-Low Jitter Clock Generator With Eight Outputs

8

8

 LMK03328 Product Page Gen 4.0

LMK00301

LMK00308

LMK00306

LMK00304

 Ultra-Low Additive Jitter Differential Clock Buffer and Level Translator

10

8

6

4

 LMK00301 Product Page Gen 3.0
(1) The LMK6C can be used as the clock source for butter devices to provide LP-HCSL outputs with the industry-leading reliability benefits stemming from TI's BAW technology.