Datasheet4U Logo Datasheet4U.com

ICS9248-112 - Frequency Generator & Integrated Buffers

General Description

The ICS9248-112 is the single chip clock solution for designs using the 810/810E style chipset.

It provides all necessary clock signals for such a system.

Spread spectrum may be enabled through I2C programming.

Key Features

  • 2- CPUs @2.5V, up to 150MHz.
  • 9 - SDRAM @ 3.3V, up to150MHz including 1 free running.
  • 8 - PCICLK @ 3.3V.
  • 1 - IOAPIC @ 2.5V, PCI or PCI/2 MHz.
  • 2 - 3V66MHz @ 3.3V, 2X PCI MHz.
  • 1- 48MHz, @3.3V fixed.
  • 1- 24MHz, @3.3V fixed.
  • 1- REF @3.3V, 14.318MHz. Features:.
  • Up to 166MHz frequency support.
  • Support FS0-FS3 strapping status bit for I2C read back.
  • Support power management: Through Power down Mode fro.

📥 Download Datasheet

Datasheet Details

Part number ICS9248-112
Manufacturer Integrated Circuit Systems
File Size 384.61 KB
Description Frequency Generator & Integrated Buffers
Datasheet download datasheet ICS9248-112 Datasheet

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.

View original datasheet text
Integrated Circuit Systems, Inc. ICS9248-112 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 150MHz. • 9 - SDRAM @ 3.3V, up to150MHz including 1 free running • 8 - PCICLK @ 3.3V • 1 - IOAPIC @ 2.5V, PCI or PCI/2 MHz • 2 - 3V66MHz @ 3.3V, 2X PCI MHz • 1- 48MHz, @3.3V fixed. • 1- 24MHz, @3.3V fixed • 1- REF @3.3V, 14.318MHz. Features: • Up to 166MHz frequency support • Support FS0-FS3 strapping status bit for I2C read back. • Support power management: Through Power down Mode from I2C programming. • Spread spectrum for EMI control ( ± 0.25% center). • Spread can be enabled or disabled to all 32 frequencies throuth I2C. • Uses external 14.