ICS9FG104CFLF

更新时间： 2024-02-21 03:19:00

品牌	Logo	应用领域
艾迪悌 - IDT		PC
页数	文件大小	规格书
17页	246K
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ICS9FG104CFLF 数据手册

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ICS9FG104

Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA

Description

Features/Benefits

The ICS9FG104 is a Frequency Timing Generator that provides 4

differential output pairs that are compliant to the Intel CK410

specification. It also provides support for PCI-Express and SATA.

The part synthesizes several output frequencies from either a

14.31818 Mhz crystal or a 25 MHz crystal. The device can also be

driven by a reference input clock instead of a crystal. It provides

outputs with cycle-to-cycle jitter of less than 50 ps and output-to-

output skew of less than 35 ps.The ICS9FG104 also provides a copy

of the reference clock. Frequency selection can be accomplished via

strap pins or SMBus control.

•

Generates common frequencies from 14.318 MHz or

25 MHz

•

Crystal or reference input

4 - 0.7V current-mode differential output pairs

Supports Serial-ATA at 100 MHz

Two spread spectrum modes: 0 to -0.5 downspread

and +/-0.25% centerspread

•

Unused inputs may be disabled in either driven or Hi-Z

state for power management.

M/N Programming

Key Specifications

•

Output cycle-to-cycle jitter < 50 ps

Output to output skew < 35 ps

+/-300 ppm frequency accuracy on output clocks

+/- 150 ppm frequency accuracy @ 100 MHz outputs

28-pin SSOP/TSSOP package

Available in RoHS compliant packaging

Funtional Block Diagram

XIN/CLKIN

REFOUT

OSC

STOP

LOGIC

PROGRAMMABLE

SPREAD PLL

DIF(3:0)

SPREAD

SEL14M_25M#

CONTROL

LOGIC

DIF_STOP#

FS(2:0)

SDATA

SCLK

IREF

IDT^TM/ICS^TMFrequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA

ICS9FG104 REV K 04/12/07

12 3 4 5 6 7...17

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