Datasheet > SI52144

SI52144

更新时间： 2024-11-23 09:26:03

品牌	Logo	应用领域
芯科 - SILICON		输出元件 PC 时钟
页数	文件大小	规格书
20页	174K
描述
PCI-EXPRESS GEN 1, GEN 2, & GEN 3 CLOCK QUAD OUTPUT GENERATOR

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中文翻译

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SI52144 数据手册

Si52144

PCI-EXPRESS GEN 1, GEN 2, & GEN 3 CLOCK QUAD

OUTPUT GENERATOR

Features

 PCI-Express Gen 1, Gen 2, &

 25 MHz crystal input or clock

Gen 3 Compliant

input

 Low power push-pull type

 I C support with readback

differential output buffers

capabilities

 Integrated resistors on differential

 Triangular spread spectrum

profile for maximum

clocks

 Dedicated output enable

electromagnetic interference

(EMI) reduction

hardware pin for each clock

 Hardware selectable spread

 Industrial temperature:

control

–40 to 85 C

Ordering Information:

 Four PCI-Express Clocks

 3.3 V power supply

 24-pin QFN package

See page 18

Pin Assignments

Applications

 Network attached storage

 Multi-function printer

 Wireless access point

 Routers

OE3¹

VDD

Description

VDD

OE1¹

SSON²

The Si52144 is a spread-controlled PCIe clock generator that can source

four PCIe clocks simultaneously. The device has four hardware output

enable control inputs for enabling the respective differential outputs on the

fly while powered on along with the spread control hardware pin to enable

DIFF3

GND

VSS

14 DIFF2

OE2¹

VDD

DIFF2

spread for EMI reduction. In addition to the hardware control pins, I C

programmability is also available to promptly achieve optimum clock

signal integrity through skew and edge rate control on true, compliment,

or both differential outputs as well as amplitude control.

Notes:

1. Internal 100 kohm pull-up.

2. Internal 100 kohm pull-down.

Patents pending

Functional Block Diagram

DIFF0

DIFF1

DIFF2

DIFF3

XIN/CLKIN

XOUT

PLL

(SSC)

Divider

SCLK

Control & Memory

SDATA

OE [3:0]

SSON

Control

RAM

Preliminary Rev. 0.1 12/11

Si52144

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

12 3 4 5 6 7...20

中文翻译

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与SI52144相关器件

型号	品牌	获取价格	描述	数据表
SI52144-A01AGM	SILICON	获取价格	PCI-EXPRESS GEN 1, GEN 2, & GEN 3 CLOCK QUAD OUTPUT GENERATOR
SI52144-A01AGMR	SILICON	获取价格	PCI-EXPRESS GEN 1, GEN 2, & GEN 3 CLOCK QUAD OUTPUT GENERATOR
SI52146	SILICON	获取价格	PCI-EXPRESS GEN 1, GEN 2, & GEN 3 SIX OUTPUT CLOCK GENERATOR
SI52146-A01AGM	SILICON	获取价格	Processor Specific Clock Generator, 100MHz, CMOS, MO-220, QFN-32
SI52146-A01AGMR	SILICON	获取价格	Processor Specific Clock Generator, 100MHz, CMOS, MO-220, QFN-32
SI52147	SILICON	获取价格	PCI-EXPRESS GEN 1, GEN 2, & GEN 3 NINE OUTPUT CLOCK GENERATOR
SI52147-A01AGM	SILICON	获取价格	PCI-EXPRESS GEN 1, GEN 2, & GEN 3 NINE OUTPUT CLOCK GENERATOR
SI52147-A01AGMR	SILICON	获取价格	PCI-EXPRESS GEN 1, GEN 2, & GEN 3 NINE OUTPUT CLOCK GENERATOR
Si52202	SILICON	获取价格	12/8/4/2-Output PCI-Express Gen 1/2/3/4 and SRIS Clock Generator
Si52202-A01AGM	SILICON	获取价格	12/8/4/2-Output PCI-Express Gen 1/2/3/4 and SRIS Clock Generator

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