PI6C49019 datasheet(1/16 Pages) PERICOM

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PI6C49019

Rev. B

06/25/13

PI6C49019

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.

Low Power Networking Clock Generator

Features

Î

3.3V supply voltage

Î

25MHz XTAL or reference clock input

Î

Output

• 4x100MHz HCSL PCIe clock outputs with integrated

series termination resistors, spread spectrum capability

on all 100MHz PCIe clock outputs with -0.5% down

spread.

• 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

Î

Packaging (Pb free and Green) : 48-pin TSSOP (A)

Î

Industrial temperature support

Clock Buffer/

Crystal

Oscillator

PLL Clock

Synthesis, Dividers,

Buffers and

Configuration Logic

X1/ICLK

X2

SCLK

SDATA

25 MHz

crystal or

clock input

GND

External caps required

with crystal for accurate

tuning of the clock

100 MHz PCIE0

125 MHz/REF

VDD

PD_RESET

100 MHz PCIE1

100 MHz PCIE2

100 MHz PCIE3

VDDO2

48 MHz

19.2 MHz

25 MHz

33.33 MHz/67.33 MHz

13-0103

Số phần tương tự - PI6C49019

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PI6C49019 bảng dữ liệu(PDF) 1 Page - Pericom Semiconductor Corporation

PI6C49019 bảng dữ liệu(HTML) 1 Page - Pericom Semiconductor Corporation

Số phần tương tự - PI6C49019

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