ICS9250-11 Datasheet (Integrated Circuit Systems)

Part ICS9250-11
Description Frequency Generator & Integrated Buffers
Manufacturer Integrated Circuit Systems
Size 194.26 KB
Integrated Circuit Systems

ICS9250-11 Overview

Description

The ICS9250-11 is a main clock synthesizer chip for Pentium II based systems using Rambus Interface DRAMs. This chip provides all the clocks required for such a system when used with a Direct Rambus Clock Generator (DRCG) chip such as the ICS9212-01, 02, 03 and a PCI buffer 9112-17.

Key Features

  • 2 - CPU/2 output for synchronous memory reference (2.5V)
  • 4 - fixed frequency Clocks @ 66.6MHz (3.3V)
  • 2 - fixed frequency Clocks @ 33.3MHz (3.3V)
  • 6 - IOAPIC Clocks @ ΒΌ of CPUCLK or 16.667MHz, synchronous to CPU Clock (2.5V)
  • 1 - 48MHz Clock (3.3V)