Description
( DataSheet : www.DataSheet4U.com ) PRELIMINARY INFORMATION ICS650-21 System Peripheral Clock Source .
The ICS650-21 is a low cost, low jitter, high performance clock synthesizer for system peripheral applications.
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
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. The user can select one of three USB frequencies, and also one