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ICS9248-87 - Frequency Generator & Integrated Buffer

Description

The ICS9248-87 is the single chip clock solution for designs using 810/810E style chipset.

It provides all necessary clock signals for such a system.

Spread spectrum may be enabled through I2C programming.

Features

  • 2- CPUs @2.5V, up to 155MHz.
  • 9 - SDRAM @ 3.3V, up to 155MHz.
  • 8 - PCICLK @ 3.3V.
  • 1 - IOAPIC @ 2.5V,.
  • 2 - 3V66MHz @ 3.3V.
  • 2- 48MHz, @3.3V fixed.
  • 1- 24/48MHz, @3.3V.
  • 1- REF @3.3V, 14.318MHz. Features:.
  • Up to 155MHz frequency support.
  • Support FS0-FS3 strapping status bit for I2C read back.
  • Support power management: Power down Mode from I2C programming.
  • Spread spectrum for EMI control (.

📥 Download Datasheet

Datasheet Details

Part number ICS9248-87
Manufacturer Renesas
File Size 459.84 KB
Description Frequency Generator & Integrated Buffer
Datasheet download datasheet ICS9248-87 Datasheet

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Full PDF Text Transcription

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ICS9248-87 Preliminary Product Preview Frequency Generator & Integrated Buffers for Celeron & PII/III™ Recommended Application: 810/810E type chipset. Output Features: • 2- CPUs @2.5V, up to 155MHz. • 9 - SDRAM @ 3.3V, up to 155MHz. • 8 - PCICLK @ 3.3V • 1 - IOAPIC @ 2.5V, • 2 - 3V66MHz @ 3.3V • 2- 48MHz, @3.3V fixed. • 1- 24/48MHz, @3.3V • 1- REF @3.3V, 14.318MHz. Features: • Up to 155MHz frequency support • Support FS0-FS3 strapping status bit for I2C read back. • Support power management: Power down Mode from I2C programming. • Spread spectrum for EMI control ( ± 0.25% center). • Uses external 14.
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