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PSICS9169-01 - Frequency Generator and Integrated Buffers

Description

The ICS9169-01 generates all clocks required for high speed RISC or CISC microprocessor systems such as 486, Pentium/ Pentium Pro™, PowerPC™, etc.

Four different reference frequency multiplying factors are externally selectable with smooth frequency transitions.

Features

  • Generates four processor, six bus, three 14.318 MHz and one 48 MHz clock for ISA bus, audio, super I/O and bus bridge devices Supports the Intel MARS chip set Synchronous clocks skew matched to 250ps window on PCLKs and 500ps window on BCLKs Test clock mode eases system design Selectable multiplying ratios Custom configurations available Output frequency ranges to 100 MHz (depending on option) 3.0V - 5.5 V supply range 28-pin SOIC and 28-pin SSOP (209-mil) packages.

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Datasheet Details

Part number PSICS9169-01
Manufacturer Integrated Circuit Systems
File Size 177.33 KB
Description Frequency Generator and Integrated Buffers
Datasheet download datasheet PSICS9169-01 Datasheet
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Integrated Circuit Systems, Inc. ICS9169-01 Frequency Generator and Integrated Buffers for Intel Pentium and Pentium ProTM µP's General Description The ICS9169-01 generates all clocks required for high speed RISC or CISC microprocessor systems such as 486, Pentium/ Pentium Pro™, PowerPC™, etc. Four different reference frequency multiplying factors are externally selectable with smooth frequency transitions. These multiplying factors can be customized for specific applications. A test mode is provided to drive all clocks directly. High drive BCLK outputs typically provide greater than 1V/ ns slew rate into 30pF loads. PCLK outputs typically provide better than 1V/ns slew rate into 20pF loads while maintaining 50±5% duty cycle. The REF clock outputs typically provide better than 0.
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