Datasheet > 9FGU0631CKILFT

9FGU0631CKILFT

更新时间： 2022-02-26 10:49:52

品牌	Logo	应用领域
艾迪悌 - IDT		PC
页数	文件大小	规格书
15页	202K
描述
6-O/P 1.5V PCIe Gen 1-2-3 Clock Generator

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9FGU0631CKILFT 数据手册

6-O/P 1.5V PCIe Gen 1-2-3 Clock Generator

9FGU0631

DATASHEET

Description

Features/Benefits

The 9FGU0631 is a member of IDT's 1.5V Ultra-Low-Power

PCIe clock family. The device has 6 output enables for clock

management, 2 different spread spectrum levels in addition to

spread off and 2 selectable SMBus addresses.

• LP-HCSL outputs; save 12 resistors compared to standard

PCIe devices

• 45mW typical power consumption; reduced thermal

concerns

• Outputs can optionally be supplied from any voltage

between 1.05 and 1.5V; maximum power savings

Recommended Application

1.5V PCIe Gen1-2-3 Clock Generator

• OE# pins; support DIF power management

• Programmable Slew rate for each output; allows tuning for

various line lengths

Output Features

• 6 - 100MHz Low-Power (LP) HCSL DIF pairs

• Programmable output amplitude; allows tuning for various

application environments

• 1 - 1.5V LVCMOS REF output w/Wake-On-LAN (WOL)

support

• DIF outputs blocked until PLL is locked; clean system

start-up

• Selectable 0%, -0.25% or -0.5% spread on DIF outputs;

reduces EMI

Key Specifications

• DIF cycle-to-cycle jitter <50ps

• DIF output-to-output skew <60ps

• DIF phase jitter is PCIe Gen2 and Gen3 compliant

• REF phase jitter is < 3.0ps RMS

• External 25MHz crystal; supports tight ppm with 0 ppm

synthesis error

• Configuration can be accomplished with strapping pins;

SMBus interface not required for device control

• Selectable SMBus addresses; multiple devices can easily

share an SMBus segment

• 3.3V tolerant SMBus interface works with legacy controllers

• Space saving 40-pin 5x5 mm VFQFPN; minimal board

space

Block Diagram

XIN/CLKIN_25

REF1.5

OSC

vOE(5:0)#

DIF5

DIF4

SS Capable PLL

DIF3

DIF2

DIF1

vSADR

vSS_EN_tri

^CKPWRGD_PD#

SDATA_3.3

SCLK_3.3

CONTROL

LOGIC

DIF0

9FGU0631 OCTOBER 18, 2016

12 3 4 5 6 7...15

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