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PI6C49019

Part Number	PI6C49019
Manufacturer	Pericom Semiconductor
Description	Low Power Networking Clock Generator
Published	Sep 19, 2016
Detailed Description	PI6C49019 Low Power Networking Clock Generator Features ÎÎ3.3V supply voltage ÎÎ25MHz XTAL or reference clock input ÎÎO...
Datasheet	PI6C49019 PDF File

Overview

PI6C49019 Low Power Networking Clock Generator Features ÎÎ3.
3V supply voltage ÎÎ25MHz XTAL or reference clock input ÎÎOutput • 4x100MHz HCSL PCIe clock outputs with integrated series termination resistors, spread spectrum capability ospnreaalld1.
00MHz PCIe clock outputs with -0.
5% down • 1x single-ended 33.
33MHz or 67.
33MHz output with spread spectrum capability • 1x single-ended 125MHz output for Gigabit Ethernet • 1x single-ended 25MHz • 1x single-ended 48MHz • 1x single-ended 19.
2MHz ÎÎPackaging (Pb free and Green) : 48-pin TSSOP (A) ÎÎIndustrial temperature support Block Diagram Description The new PI6C49019 is a high integration clock generator intended for all kinds of embedded applications and networking application with PCIe interface.
The device is the most cost effective way to generate multi-frequencies and multi-outputs clocks from a 25MHz crystal and reference clock.
The device can generate four pairs low power 100MHz HCSL outputs for PCIe, one single-ended 25MHz and 125 MHz output, one single-ended 48MHz and 19.
2 MHz output, and one single-ended 33.
33 MHz or 67.
33MHz output with spread spectrum.
Using a serially programmable SMBus interface, the PI6C49019 incorporates spread spectrum modulation on the four 100 MHz PCI-Express outputs with -0.
5% down spread and the 33.
33 MHz/67.
33 MHz output with down spread.
VDD VDDO2 SCLK SDATA PD_RESET PLL Clock Synthesis, Dividers, Buffers and Configuration Logic X1/ICLK 25 MHz crystal or clock input X2 Clock Buffer/ Crystal Oscillator External caps required with crystal for accurate tuning of the clock GND 100 MHz PCIE0 100 MHz PCIE1 100 MHz PCIE2 100 MHz PCIE3 25 MHz 125 MHz/REF 33.
33 MHz/67.
33 MHz 48 MHz 19.
2 MHz 13-0103 1 www.
pericom.
com PI6C49019 Rev.
B 06/25/13 Pin Description VDD Cdd PCIE2N PCIE2 VDD GND VDD PCIE3N PCIE3 GND VDD SCLK SDATA GND 33M/67M VDD VDD GND 19M VDD GND NC NC PD_RESET 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Pin List Pin# 1 2 3 4 5 6 7 8 9 1...

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