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ICS650R-21 Datasheet System Peripheral Clock Source

Manufacturer: Integrated Circuit Systems

Download the ICS650R-21 datasheet PDF. This datasheet also includes the ICS650-21 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ICS650-21_IntegratedCircuitSystems.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ICS650R-21
Manufacturer Integrated Circuit Systems
File Size Direct Link
Description System Peripheral Clock Source
Download ICS650R-21 Download (PDF)

General Description

The ICS650-21 is a low cost, low jitter, high performance clock synthesizer for system peripheral applications.

Using analog/digital Phase-Locked Loop (PLL) techniques, the device accepts a parallel resonant 25 MHz crystal input to produce up to eight output clocks.

The device provides clocks for PCI, SCSI, Fast Ethernet, Ethernet, USB, and AC97.

Overview

( DataSheet : www.DataSheet4U.com ) PRELIMINARY INFORMATION ICS650-21 System Peripheral Clock.

Key Features

  • Packaged in 20 pin tiny SSOP (QSOP).
  • Lower jitter version of ICS650-01.
  • Operating VDD of 3.3V or 5V.
  • Zero ppm synthesis error in all clocks.
  • Inexpensive 25 MHz crystal or clock input.
  • Provides Ethernet and Fast Ethernet clocks.
  • Provides SCSI clocks.
  • Provides PCI clocks.
  • Selectable AC97 audio clock.
  • Selectable USB clock.
  • OE pin tri-states the outputs for testing.
  • Selectable frequencies on.

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