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ICS9250-12

Part Number	ICS9250-12
Manufacturer	Integrated Circuit Systems
Description	Frequency Generator & Integrated Buffers
Published	Dec 11, 2005
Detailed Description	Integrated Circuit Systems, Inc. ICS9250-12 Frequency Timing Generator for PENTIUM II/III Systems General Description ...
Datasheet	ICS9250-12 PDF File

Overview

Integrated Circuit Systems, Inc.
ICS9250-12 Frequency Timing Generator for PENTIUM II/III Systems General Description The ICS9250-12 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 ICS9212-01, 02, 03 and a PCI buffer 9112-17.
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 ICS9250-12 employs a proprietary closed loop design, which tightl...

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