CY24293

更新时间： 2024-11-19 11:52:27

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		时钟发生器 PC
页数	文件大小	规格书
10页	449K
描述
Two Outputs PCI-Express Clock Generator

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CY24293 数据手册

CY24293

Two Outputs PCI-Express Clock Generator

Features

Functional Description

■ 25 MHz Crystal or Clock Input

CY24293 is a two output PCI-Express clock generator device

intended for networking applications. The device takes 25 MHz

crystal or clock input and provides two pairs of differential outputs

at 25 MHz, 100 MHz, 125 MHz, or 200 MHz for HCSL, and

25 MHz or 100 MHz for the LVDS signaling standard.

■ Two sets of Differential PCI-Express Clocks

■ Pin Selectable Output Frequencies

■ Supports HCSL or LVDS Compatible Output Levels

The device incorporates Lexmark Spread Spectrum profile for

maximum electromagnetic interference (EMI) reduction. The

spread type and amount can be selected using select pins.

■ Spread Spectrum Capability on all Output Clocks with Pin

Selectable Spread Range

■ 16-pin TSSOP Package

■ Operating Voltage 3.3V

■ Commercial and Industrial Operating Temperature Range

Logic Block Diagram

VDDX

VDDO

XIN/EXCLKIN

Clock Buffer/

PCIE0P

Crystal

Oscillator

(25 MHz)

PCIE0N

XOUT

PLL Clock

Synthesizer

SS0

PCIE1P

PCIE1N

SS1

Control

Logic

I_REF

= 475 Ohms 1%

R _REF

GNDX

GNDO

Cypress Semiconductor Corporation

Document Number: 001-46117 Rev. *C

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised April 02, 2009

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