Datasheet > ICS9248-97

ICS9248-97

更新时间： 2024-11-10 22:55:27

品牌	Logo	应用领域
矽成 - ICSI		/
页数	文件大小	规格书
14页	467K
描述
Frequency Timing Generator for PENTIUM II Systems

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中文翻译

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数据手册

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ICS9248-97 数据手册

Integrated

Circuit

Systems, Inc.

ICS9248-97

Frequency Timing Generator for PENTIUM II Systems

RecommendedApplication:

Pin Configuration

Camino chipset

GNDREF

REF0

VDDLAPIC

IOAPIC0

IOAPIC1

GNDLAPIC

IOAPIC2

VDDLCPU/2

CPU/2

GNDLCPU/2

CPUCLK0

VDDLCPU

CPUCLK1

CPUCLK2

GNDLCPU

VDD66

3V66_0

3V66_1

3V66_2

GND66

SDATA

SCLK

VDD48

OutputFeatures:

*SEL24_48#/REF1

VDDREF

3 - CPUs @ 2ꢀ5V, upto180MHzꢀ

3-IOAPIC@2ꢀ5V, PCI/2

3-3V66MHz@3ꢀ3Vꢀ

11-PCIs@3ꢀ3V

GNDPCI

*FS0/PCICLK_F

*FS1/PCICLK0

VDDPCI

*FS2/PCICLK1

*FS3/PCICLK2

GNDPCI

1-48MHz,@3ꢀ3Vfixed

1-24/48MHz,@3ꢀ3V

1-CPU/2, @2ꢀ5Vꢀ

PCICLK3

PCICLK4

VDDPCI

PCICLK5

PCICLK6

GNDPCI

PCICLK7

PCICLK8

PCICLK9

VDDPCI

Features:

Up to 180MHz frequency support

48MHz/FS4*

24_48MHz

GND48

Support power management: Power down Mode

fromI²Cprogrammingꢀ

PD#

Spread spectrum for EMI control

± 0ꢀ25% center spread)ꢀ

48-pin SSOP

*120K ohm pull-up to VDD on indicated inputsꢀ

Uses external 14ꢀ318MHz crystal

FS pins for frequency select

KeySpecifications:

CPU Output Jitter: <250ps

CPU/2 Output Jitterꢀ <250ps

IOAPIC Output Jitter: <500ps

Block Diagram

48MHz, 3V66, PCIOutputJitter:<500ps

Ref Output Jitterꢀ <1000ps

PLL2

48MHz

CPU Output Skew: <175ps

24_48MHz

/ 2

IOAPIC Output Skew <250ps

XTAL

OSC

REF (1:0)

3V66OutputSkew<250ps

CPU to 3V66 Output Offset: 0ꢀ0 - 1ꢀ5ns (CPU leads)

3V66 to PCI Output Offset: 1ꢀ5 - 4ꢀ0ns (3V66 leads)

CPU to IOAPIC Output Offset 1ꢀ5 - 4ꢀ0ns (CPU leads)

PLL1

CPU

CPUCLK (2:0)

CPU/2

Spread

DIVDER

Spectrum

/ 2

IOAPIC

DIVDER

IOAPIC (2:0)

SEL24_48#

Control

Logic

SDATA

SCLK

PCI

DIVDER

PCICLK (9:0)

PCICLK_F

FS (4:0)

PD#

Config.

Reg.

3V66

3V66 (2:0)

DIVDER

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

9248-97Rev E08/18/00

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

12 3 4 5 6 7...14

中文翻译

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与ICS9248-97相关器件

型号	品牌	获取价格	描述	数据表
ICS9248-98	ICSI	获取价格	Frequency Generator & Integrated Buffers for
ICS9248-99	ICSI	获取价格	Frequency Generator & Integrated Buffers for
ICS9248AG-150LN	IDT	获取价格	Processor Specific Clock Generator, 200MHz, PDSO48, 6.10 MM, 0.50 MM PITCH, ROHS COMPLIANT
ICS9248AG-150LNT	IDT	获取价格	Processor Specific Clock Generator, 200MHz, PDSO48, 6.10 MM, 0.50 MM PITCH, ROHS COMPLIANT
ICS9248AG-192	IDT	获取价格	Processor Specific Clock Generator, 66.6MHz, PDSO28, 4.40 MM, 0.65 MM PITCH, MO-153, TSSOP
ICS9248AG-192LF	IDT	获取价格	Processor Specific Clock Generator, 66.6MHz, PDSO28, 4.40 MM, 0.65 MM PITCH, GREEN, MO-153
ICS9248AG-192LFT	IDT	获取价格	Processor Specific Clock Generator, 66.6MHz, PDSO28, 4.40 MM, 0.65 MM PITCH, GREEN, MO-153
ICS9248AG-192LF-T	IDT	获取价格	66.6MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28, 4.40 MM, 0.65 MM PITCH, GREEN, MO-153, TSS
ICS9248AG-92LF	IDT	获取价格	Processor Specific Clock Generator, 100MHz, PDSO48, 6.10 MM, 0.50 MM PITCH, GREEN, TSSOP-4
ICS9248AG-92LFT	IDT	获取价格	Processor Specific Clock Generator, 100MHz, PDSO48, 6.10 MM, 0.50 MM PITCH, GREEN, TSSOP-4

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