Diodes PI6CG18801 Use Manual

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1.1 Introduction

PI6CG18801 is 1.8V PCIe clock generator family product. Its low power HCSL output makes the IC has very low power
consumption in high performance to comply with PCIe 1.0, 2.0, and 3.0 PCI_SIG.org reference clock waveform and jitter
specifications. This doc. is to provide the EVB use guide and test example.

1.2 DUT Reference

1. Datasheet
2. EVB PCB and schematic
3. Device application circuit

1.3 EVB Photo and Test Diagram

1) EVB photo and connection guide
2) LP_HCSL test diagram

1.3 Equipment

Agilent DC supply: E3631A
Tektronix real time scope 20G/S: TDS7404

2.1 Summary

i)
The EVB has total current Idd= 17mA@1.8V;
ii)
The single output waveform Tr/Tf = 363/389ps; Vamp = 806mV
iii)
differential output waveform Tr/Tf =406/415ps; Vamp = 1.62V
iv)
The EVB meets design spec.
____________________________________________________________________________________________________________
ORIGINATE DATE: Mar, 2017
PI6CG18801 EVB Use Manual
EDIT DATE: Mar, 2017
Diodes Incorporated (Milpitas office)
1545 Barber Lane, Milpitas, CA 95035 U.S.A.
DOCUMENT-REV 1.0
Timing Application Engineering
Page 1 of 4

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Summary of Contents for Diodes PI6CG18801

  • Page 1 1.1 Introduction PI6CG18801 is 1.8V PCIe clock generator family product. Its low power HCSL output makes the IC has very low power consumption in high performance to comply with PCIe 1.0, 2.0, and 3.0 PCI_SIG.org reference clock waveform and jitter specifications.
  • Page 2 Diodes Incorporated (Milpitas office) 1545 Barber Lane, Milpitas, CA 95035 U.S.A. 3.1 Test Reference Waveform 1) Tek scope single end probe waveform 2) Tek scope differential probe waveform ____________________________________________________________________________________________________________ ORIGINATE DATE: Mar, 2017 EDIT DATE: Mar, 2017 DOCUMENT-REV 1.0 Page 2 of 4...
  • Page 3: Evb Schematic

    Diodes Incorporated (Milpitas office) 1545 Barber Lane, Milpitas, CA 95035 U.S.A. 3.2 EVB PCB Layout 3.3 EVB Schematic POW_IN JP10 4.7k_0402 SADR/REF1.8 POW_IN POW_IN 4.7k_0402 v SS_EN_tri JP11 33_0402 1000u 10u_0805 0.1uF POW_IN JP12 4.7k_0402 1-2 inch TL SCLK_3.3 VDDXTAL...
  • Page 4: Document History

    Diodes Incorporated (Milpitas office) 1545 Barber Lane, Milpitas, CA 95035 U.S.A. 3.4 PI6CG18801 Application Circuit Or FB 1.8V 25M CMOS for LAN Ref. CLK REFOUT Put close to pin 0.1u 0.1u 0.1u <300mil closepin VDD_OSC_DIG 1.8V <300mil * C1=C2=8pF for CL=8pF...

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