Diodes Incorporated
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PI6C49018 (Obsolete)

Low Power Networking Clock Generator

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Product Description

The PI6C49018 is a clock generator device intended for PCI- Express/networking applications. The device includes four 100 MHz differential outputs for PCI-Express with low power HCSL structure, one CMOS 125 MHz output, and one CMOS 66.66 MHz, and one CMOS 80 MHz output with spread spectrum. Using a serially programmable SMBus interface, the PI6C49018 incorporates spread spectrum modulation on the four 100 MHz PCI-Express outputs with -0.5% down spread and the 80 MHz output with selectable down spread.

Features

  • 25 MHz crystal or clock input
  • Four differential 100 MHz PCI-Express clock outputs – Low power HCSL
  • Spread spectrum capability on all 100 MHz PCI-e clock outputs with -0.5% down spread
  • One single-ended 66.66 MHz output
  • One single-ended 125 MHz output for Gigabit Ethernet at 2.5V
  • One single-ended 80 MHz output with selectable down spread
  • 40-pin TQFN package
  • Operating voltage 3.3 V ±5%
  • Industrial temperature (-40 to +85°C)

Product Specifications

Product Parameters

Function Generator
Input Type(s) Crystal, LVCMOS
Additive Jitter (ps) 3.1
Number of Outputs 8
Maximum Output Frequency (MHz) 100
Output Type(s) PCIE, LVCMOS
Skew (PS) 50
Supply Voltage (V) 2.5, 3.3
Ambient or Junction Temperature (°C) -40 to 85

Technical Documents

Recommended Soldering Techniques

TN1.pdf

FAQs