ICS9250-26 Datasheet PDF - Integrated Circuit Systems Frequency Generator & Integrated Buffers Specs

ICS9250-26 - Frequency Generator & Integrated Buffers

Datasheet Summary

Description

The ICS9250-26 is a single chip clock solution for 810/810E type chipset.

It provides all necessary clock signals for such a system.

Spread spectrum may be enabled through I2C programming.

Features

3 CPU (2.5V) 66.6/133.3MHz (up to 150MHz achievable through I2C).
9 SDRAM (3.3V) @ 133.3MHz (up to 150MHz achievable through I2C).
8 PCI (3.3 V) @33.3MHz.
2 IOAPIC (2.5V) @ 33.3 MHz.
2 Hublink clocks (3.3 V) @ 66.6 MHz.
2 USB (3.3V) @ 48 MHz ( Non spread spectrum).
1 REF (3.3V) @ 14.318 MHz Features:.
Supports spread spectrum modulation , down spread 0 to -0.5% and ± 0.25% center spread.
I2C support for power man.

Datasheet Details

Part number	ICS9250-26
Manufacturer	Integrated Circuit Systems
File Size	223.29 KB
Description	Frequency Generator & Integrated Buffers
Datasheet	ICS9250-26 Datasheet
Additional preview pages of the ICS9250-26 datasheet.

📁 Similar Datasheet

ICS9250-28 - Frequency Generator & Integrated Buffer (Renesas)

ICS9250-50 - Frequency Generator & Integrated Buffer (Renesas)

ICS9219 - Clock Generator (Renesas)

ICS9248-128 - Frequency Generator & Integrated Buffer (Renesas)

ICS9248-138 - Frequency Generator & Integrated Buffer (Renesas)

ICS9248-192 - Frequency Timing Generator (Renesas)

ICS9248-39 - Frequency Generator & Integrated Buffer (Renesas)

ICS9248-55 - Pentium/Pro/II System Clock (Renesas)

ICS9248-61 - Frequency Timing Generator (Renesas)

ICS9248-77 - Frequency Timing Generator (Renesas)

Full PDF Text Transcription

Click to expand full text

Integrated Circuit Systems, Inc. ICS9250-26 Frequency Generator & Integrated Buffers for Celeron & PII/III™ Recommended Application: 810/810E type chipset. Provides three CPU speeds (66.6, 100, 133MHz) with SDRAM = 133.3MHz. Output Features: • 3 CPU (2.5V) 66.6/133.3MHz (up to 150MHz achievable through I2C) • 9 SDRAM (3.3V) @ 133.3MHz (up to 150MHz achievable through I2C) • 8 PCI (3.3 V) @33.3MHz • 2 IOAPIC (2.5V) @ 33.3 MHz • 2 Hublink clocks (3.3 V) @ 66.6 MHz • 2 USB (3.3V) @ 48 MHz ( Non spread spectrum) • 1 REF (3.3V) @ 14.318 MHz Features: • Supports spread spectrum modulation , down spread 0 to -0.5% and ± 0.25% center spread. • I2C support for power management • Efficient power management scheme through PD# • Uses external 14.

Published: Dec 11, 2005 |