Datasheet > ICS9248YF-103LF

ICS9248YF-103LF

更新时间： 2024-09-25 19:57:03

品牌	Logo	应用领域
艾迪悌 - IDT		时钟光电二极管外围集成电路晶体
页数	文件大小	规格书
16页	392K
描述
Processor Specific Clock Generator, 137MHz, PDSO48, SSOP-48

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ICS9248YF-103LF 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	SSOP
包装说明：	SSOP,	针数：	48
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.73
其他特性：	IT CAN ALSO OPERATES AT 3.3V	JESD-30 代码：	R-PDSO-G48
JESD-609代码：	e3	长度：	15.875 mm
端子数量：	48	最高工作温度：	70 °C
最低工作温度：		最大输出时钟频率：	137 MHz
封装主体材料：	PLASTIC/EPOXY	封装代码：	SSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：	260	主时钟/晶体标称频率：	14.318 MHz
认证状态：	Not Qualified	座面最大高度：	2.794 mm
最大供电电压：	2.625 V	最小供电电压：	2.375 V
标称供电电压：	2.5 V	表面贴装：	YES
技术：	CMOS	温度等级：	COMMERCIAL
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
端子节距：	0.635 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	7.5 mm
uPs/uCs/外围集成电路类型：	CLOCK GENERATOR, PROCESSOR SPECIFIC	Base Number Matches：	1

ICS9248YF-103LF 数据手册

Integrated

Circuit

Systems, Inc.

ICS9248-103

Frequency Generator & Integrated Buffers for PENTIUM/Pro^TM

General Description

Features

Up to 137MHz frequency support

The ICS9248-103 is the single chip clock solution for

Notebook designs using the 440BX or the VIAApollo Pro 133

style chipset. It provides all necessary clock signals for such a

system.

Spread Spectrum for EMI control

Serial I²C interface for Power Management,

Frequency Select, Spread Spectrum

Provides the following system clocks

- 4-CPUs@2.5/3.3V, upto137MHz

(includingCPUCLK_F)

Spread spectrum may be enabled through I²C programming.

Spread spectrum typically reduces system EMI by 8dB to

10dB. This simplifies EMI qualification without resorting to

board design iterations or costly shielding. The ICS9248-103

employs a proprietary closed loop design, which tightly

controls the percentage of spreading over process and

temperature variations.

- 9-SDRAMs @3.3V, upto137MHz

(including SDRAM_F)

- 8-PCI@3.3V, CPU/2orCPU/3

(including 3 free running PCICLK_Fs)

- 1-24/48MHz@3.3V

-1-48MHz@3.3Vfixed

- 2-REF@3.3V,14.318MHz.

Efficient Power management scheme through PCI

andSTOPCLOCKS

Spread Spectrum ± .25%, & 0 to -0.5% down spread

Block Diagram

Pin Configuration

48-Pin SSOP

* Internal Pull-up Resistor of 120K to VDD

Power Groups

VDDLCPU,GNDLCPU=CPUCLK[2:0],CPUCLK_F

VDDSDR,GNDSDR=SDRAMCLKS[7:0],SDRAM_F

VDDPCI,GNDPCI=PCICLKS[6:0],PCICLK_F

VDD48,GND48=48MHz,24MHz

VDDREF,GNDREF=REF,X1,X2

VDDCOR=PLLCORE

Pentium is a trademark of Intel Corporation

I²C is a trademark of Philips Corporation

ICS reserves the right to make changes in the device data identified in

this publication without further notice. ICS advises its customers to

obtain the latest version of all device data to verify that any

9248-103RevC 10/14/99

information being relied upon by the customer is current and accurate.

12 3 4 5 6 7...16

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与ICS9248YF-103LF相关器件

型号	品牌	获取价格	描述	数据表
ICS9248YF-107	ICSI	获取价格	Frequency Timing Generator for PENTIUM II Systems
ICS9248YF-110	ICSI	获取价格	AMD-K7TM System Clock Chip
ICS9248YF-110LF	IDT	获取价格	Processor Specific Clock Generator, 115MHz, CMOS, PDSO48, 0.300 INCH, SSOP-48
ICS9248YF-112	IDT	获取价格	Processor Specific Clock Generator, 150MHz, PDSO48, 0.300 INCH, SSOP-48
ICS9248YF-112LF	IDT	获取价格	Processor Specific Clock Generator, 150MHz, PDSO48, 0.300 INCH, SSOP-48
ICS9248YF-112-T	ICSI	获取价格	Frequency Generator & Integrated Buffers for
ICS9248YF-114LF-T	IDT	获取价格	Processor Specific Clock Generator, 150MHz, PDSO48, 0.300 INCH, SSOP-48
ICS9248YF-114-T	ICSI	获取价格	AMD - K7⑩ System Clock Chip
ICS9248YF-114-T	IDT	获取价格	Processor Specific Clock Generator, 150MHz, PDSO48, 0.300 INCH, SSOP-48
ICS9248YF-126LF-T	IDT	获取价格	Processor Specific Clock Generator, 150MHz, PDSO48, 0.300 INCH, SSOP-48

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