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ICS9248-56

Integrated Circuit Systems
Part Number ICS9248-56
Manufacturer Integrated Circuit Systems
Description Frequency Generator & Integrated Buffers
Published Oct 7, 2005
Detailed Description Integrated Circuit Systems, Inc. ICS9248-56 Frequency Timing Generator for Pentium II Systems General Description The ...
Datasheet PDF File ICS9248-56 PDF File

ICS9248-56
ICS9248-56

Overview
Integrated Circuit Systems, Inc.
ICS9248-56 Frequency Timing Generator for Pentium II Systems General Description The ICS9248-56 is the Main clock solution for Notebook designs using the Intel 440BX style chipset.
Along with an SDRAM buffer such as the ICS9179-03, it provides all necessary clock signals for such a system.
Spread spectrum may be enabled by driving pin 26, SPREAD# active (Low) at power-on.
Spread spectrum typically reduces system EMI by 8dB to 10dB.
This simplifies EMI qualification without resorting to board design iterations or costly shielding.
The ICS9248-56 employs a proprietary closed loop design, which tightly controls the percentage of spreading over process and temp...


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