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ICS9250-09

Integrated Circuit Systems
Part Number ICS9250-09
Manufacturer Integrated Circuit Systems
Description Frequency Timing Generator
Published Dec 11, 2005
Detailed Description Integrated Circuit Systems, Inc. ICS9250-09 Frequency Timing Generator for PENTIUM II Systems General Description The ...
Datasheet PDF File ICS9250-09 PDF File

ICS9250-09
ICS9250-09

Overview
Integrated Circuit Systems, Inc.
ICS9250-09 Frequency Timing Generator for PENTIUM II Systems General Description The ICS9250-09 is a main clock synthesizer chip for Pentium II based systems using Rambus Interface DRAMs.
This chip provides all the clocks required for such a system when used with a Direct Rambus Clock Generator(DRCG) chip such as the ICS9211-01.
Spread Spectrum may be enabled by driving the SPREAD# pin active.
Spread spectrum typically reduces system EMI by 8dB to 10dB.
This simplifies EMI qualification without resorting to board design iterations or costly shielding.
The ICS9250-09 employs a proprietary closed loop design, which tightly controls the percentage of spreading...


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