参数资料
型号: ICS9148YF-111
元件分类: 时钟产生/分配
英文描述: 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封装: 0.300 INCH, SSOP-48
文件页数: 12/18页
文件大小: 545K
代理商: ICS9148YF-111
3
ICS9148-111
Third party brands and names are the property of their respective owners.
General Description
Power Groups
VDD1 = REF (0:1), X1, X2
VDD2 = PCICLK_F, PCICLK(0:5)
VDD3 = SDRAM (0:12), supply for PLL core
VDD4 =AGP(1:2)
VDD5 = Fixed PLL, 48MHz ,AGP0
VDDL = CPUCLK (0:2)
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Power Management Functionality
Mode Pin - Power Management Input Control
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The ICS9148-111 is a single chip clock solution for Desktop/
Notebook designs using the ALI (Aladdin V
) mobile style
chipset. It provides all necessary clock signals for such a
system.
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 ICS9148-111
employs a proprietary closed loop design, which tightly
controls the percentage of spreading over process and
temperature variations.
Serial programming I2C interface allows changing functions,
stop clock programming and frequency selection.
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