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ICS9341 - 133MHz Clock Generator and Integrated Buffer

Description

The ICS9341 generates all clocks required for high speed PowerPC RISC microprocessor systems.

Generating clocks in phase with an external reference frequency.

Spread Spectrum may be enabled by driving the SS_EN pin active.

Features

  • Generates the following system clocks: - 4-CPUA (3.3V, up to 133MHz) - 4-CPUB (3.3V, up to 133MHz) - 8-PCI (3.3V, 33.3MHz) - 1-OUT (3.3v, 64MHz) - 1-OUT/2 (3.3V, OUT/2MHz) - 2-REF (3.3V, 14.318MHz) • Up to 133MHz frequency support. • Stop clocks for power management • Spread Spectrum for EMI control ±.25% center spread Skew characteristics: - CPU - CPU:.

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Datasheet Details

Part number ICS9341
Manufacturer Renesas
File Size 476.09 KB
Description 133MHz Clock Generator and Integrated Buffer
Datasheet download datasheet ICS9341 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ICS9341 133MHz Clock Generator and Integrated Buffer for PowerPC™ General Description The ICS9341 generates all clocks required for high speed PowerPC RISC microprocessor systems. Generating clocks in phase with an external reference frequency. Spread Spectrum may be enabled by driving the SS_EN 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 ICS9341 employs a proprietary closed loop design, which tightly controls the percentage of spreading over process and temperature variations. Block Diagram Features Generates the following system clocks: - 4-CPUA (3.3V, up to 133MHz) - 4-CPUB (3.3V, up to 133MHz) - 8-PCI (3.3V, 33.3MHz) - 1-OUT (3.3v, 64MHz) - 1-OUT/2 (3.
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