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ICS9250-50 - Frequency Generator & Integrated Buffer

General Description

The ICS9250-50 is a single chip clock solution for desktop designs using the 810/810E, Solano and Solano B- Step style chipset.

It provides all necessary clock signals for such a system.

Spread spectrum may be enabled through I2C programming.

Key Features

  • VDDA.
  • 2 - CPUs @ 2.5V, up to 133MHz.
  • 13 - SDRAM @ 3.3V, up to 133MHz. X1 X2 GNDA.
  • 3 - 3V66 @ 3.3V, 2x PCI MHz.
  • 8 - PCI @ 3.3V GND3V66 3V66-0 3V66-1.
  • 1 - 48MHz, @ 3.3V fixed.
  • 1 - 24/48MHz @ 3.3V.
  • 1 - REF @ 3.3V, 14.318MHz.
  • 1 - IOAPIC @ 2.5V 16.67MHz. 3V66-2 VDD3V66 VDDPCI 1.
  • FS0/PCICLK0 1.
  • FS1/PCICLK1 1.
  • SEL24_48#/PCICLK2 Features:.
  • Support PC133 SDRAM. GNDPCI PCICLK3 PCICLK4.
  • Up to 13.

📥 Download Datasheet

Datasheet Details

Part number ICS9250-50
Manufacturer Renesas
File Size 446.54 KB
Description Frequency Generator & Integrated Buffer
Datasheet download datasheet ICS9250-50 Datasheet

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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.

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Integrated Circuit Systems, Inc. ICS9250-50 Frequency Generator & Integrated Buffers for PIII & Tualatin™ Recommended Application: 815B Solano B step style chipset Output Features: VDDA • 2 - CPUs @ 2.5V, up to 133MHz. • 13 - SDRAM @ 3.3V, up to 133MHz. X1 X2 GNDA • 3 - 3V66 @ 3.3V, 2x PCI MHz. • 8 - PCI @ 3.3V GND3V66 3V66-0 3V66-1 • 1 - 48MHz, @ 3.3V fixed • 1 - 24/48MHz @ 3.3V • 1 - REF @ 3.3V, 14.318MHz. • 1 - IOAPIC @ 2.5V 16.67MHz. 3V66-2 VDD3V66 VDDPCI 1*FS0/PCICLK0 1*FS1/PCICLK1 1*SEL24_48#/PCICLK2 Features: • Support PC133 SDRAM. GNDPCI PCICLK3 PCICLK4 • Up to 133MHz frequency support • Support power management through PD# PCICLK5 VDDPCI PCICLK6 • Spread spectrum for EMI control (± 0.25% Center Spread or 0 to -0.5% down spread) • Uses external 14.