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参数资料
| 型号： | ICS9148F-49LF |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28 |
| 封装： | 0.209 INCH, SSOP-28 |
| 文件页数： | 1/9页 |
| 文件大小： | 363K |
| 代理商： | ICS9148F-49LF |
Integrated
Circuit
Systems, Inc.
General Description
Features
ICS9148-49
Block Diagram
Pentium/ProTM System Clock Chip
9148-49 Rev D 1/12/99
Pin Configuration
28-pin SSOP (209mil body)
Pentium is a trademark on Intel Corporation.
3CPUs @2.5V, up to 100MHz.
7PCIs @3.3V(including 1 free running, 1 Early).
1-48MHz(@3.3V)fixed.
1REF(3.3V,14.318MHz),1IOAPIC(2.5V,14.318MHz)
Strong REF clock (1V/ns @ 50pf load)
Excellent power management features including Power
down, PCI and CPU stops
Spread Spectrum for EMI control(0.5% down spread)
Early PCI (3.0ns ±250ps)
The ICS9148-49 is part of a reduced pin count two-chip clock
solution for designs using an Intel BX style chipset.
Companion SDRAM buffers are ICS9179-03, -04 and -12.
There are two PLLs, with the first PLL capable of spread
spectrum operation. Spread spectrum typically reduces system
EMI by 8-10dB. The second PLL provides support for USB
48MHz requirements. CPU frequencies up to 100MHz are
supported.
Ground Groups
GND1=REF0,X1,PLLCORE,X2,IOAPIC
GND2=PCICLK_E,PCICLK_F, PCICLK(04)
GND=CPUCLK
GND3=48MHz
Power Groups
VDD1=REF0,X1,X2
VDD2=PCICLK_E,PCICLK_F,PCICLK(0:4)
VDD3=48MHz
VDDLC=CPUCLK(0:2)
VDDLA=IOAPIC
#
6
.
6
/
0
1
L
E
S
z
H
M
U
P
Cz
H
M
I
C
P
10
0
13
.
3
06
.
6
63
.
3
Frequency Table:
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
information being relied upon by the customer is current and accurate.
相关PDF资料 |
PDF描述 |
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| ICS9148F-49LF | 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28 |
| ICS9148YM-60 | 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28 |
| ICS9158-07NLF | 66.8 MHz, PROC SPECIFIC CLOCK GENERATOR, PDIP24 |
| ICS9159C-02CW28LF | 66.6 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28 |
| ICS9159C-02CW28 | 66.6 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS9148F-53 | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for Mother Boards |
| ICS9148F58 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| ICS9148F-58 | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for PENTIUM/ProTM |
| ICS9148F-60 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
| ICS9148F-75-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for Mother Boards |
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