Diodes Incorporated
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PI6C557-03A

PCIe 2.0 Clock Generator with 2 HCSL Outputs

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Product Description

The PI6C557-03A is a spread spectrum clock generator compli- ant to PCI Express® 2.0 and Ethernet requirements. The device is used for PC or embedded systems to substantially reduce Electro- magnetic Interference (EMI).

The PI6C557-03A provides two differential (HCSL) or LVDS spread spectrum outputs. The PI6C557-03A is configured to se- lect spread and clock selection. Using Diodes' patented Phase- Locked Loop (PLL) techniques, the device takes a 25MHz crystal input and produces two pairs of differential outputs (HCSL) at 25MHz, 100MHz, 125MHz and 200MHz clock frequencies. It also provides spread selection of -0.5%, -0.75%, and no spread.

Features

  • PCIe® 2.0 compliant

        - Phase jitter - 2.1ps RMS (typ)

  • LVDS compatible outputs
  • Supply voltage of 3.3V ±10%
  • 25MHz crystal or clock input frequency
  • HCSL outputs, 0.8V Current mode differential pair
  • Jitter 35ps cycle-to-cycle (typ)
  • Spread of -0.5%, -0.75%, and no spread
  • Industrial temperature range
  • Spread Bypass option available
  • Spread and frequency selection via external pins
  • Packaging: (Pb-free and Green)
        - 16-pin TSSOP (L16) à 16-pin QSOP (Q16)

Product Specifications

Product Parameters

Function Generator
Compliance(Only Automotive supports PPAP) Standard
Input Type(s) Crystal, CMOS
Jitter RMS (ps) <3
Number of Outputs 2
Output Frequency (MHz) 100
Output Type(s) HCSL
Skew (PS) 50
Supply Voltage (V) 3.3
Ambient or Junction Temperature (°C) -40 to 85

Technical Documents

Evaluation Boards and User Guides

Design tool model software

Application Information

Recommended Soldering Techniques

TN1.pdf

Additional Technical Documents are available upon request: 
Application information, Evaluation board, and Other technical documents

Request Documents

RoHS CofC

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2487 2020-10-07 2021-01-07 Fab Porting from Global Foundries to Magnachip, Assembly & Test Site Transfer, and Datasheet Change
PCN-2325 – Rev 3 (Interim Update) 2018-04-20 2020-11-20 Fab Porting from Global Foundries to MagnaChip