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ICS9148-13

Part Number	ICS9148-13
Manufacturer	Integrated Circuit Systems
Description	Frequency Generator & Integrated Buffers
Published	Feb 6, 2006
Detailed Description	Integrated Circuit Systems, Inc. ICS9148-13 Frequency Generator & Integrated Buffers for PENTIUMTM General Description...
Datasheet	ICS9148-13 PDF File

Overview

Integrated Circuit Systems, Inc.
ICS9148-13 Frequency Generator & Integrated Buffers for PENTIUMTM General Description The ICS9148-13 generates all clocks required for high speed RISC or CISC microprocessor systems such as Intel Pentium and PentiumPro.
An output enable is provided for testability.
Spread Spectrum is available to modulate the CPU and BUS PLL (leaving the REF, 24, 48 MHz operating normally).
The SS_EN# pin enables the spreading when low.
The SS_TYPE pin choses ±0.
5% (nominally) center spread or +0, -2% (nominally) downspread modulation.
High drive BUS outputs typically provide greater than 1 V/ns slew rate into 30 pF loads.
CPU outputs typically provide better than 1V/ns slew rate into 20 pF loads while maintaining 50 ± 5% duty cycle.
The REF clock outputs typically provide better than 0.
8/ns slew rates.
Features • Generates twelve processor, six bus, two 14.
31818MHz, 24MHz and one 48MHz clock for USB support.
Synchronous clocks skew matched to 250 ps window o...

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