GENERAL DESCRIPTION

The ICS84326 is a Crystal-to-3.3V LVPECL Clock Synthesizer/Fanout Buffer designed for Serial Attached SCSI applications and is a member of the HiperClockS family of High Performance Clock Solutions from ICS. Using a 25MHz crystal, the 6 LVPECL outputs can be set for either 75MHz or 150MHz using the frequency select pins. The low jitter/low phase noise characteristics make it an ideal clock source for use in Serial Attached SCSI applications or for other applications which require a 75MHz or 150MHz reference clock.

FEATURES

• 6 LVPECL outputs

• Crystal oscillator interface

• Output frequency: 75MHz or 150MHz

• Crystal input frequency: 25MHz

• Cycle-to-cycle jitter: 20ps (typical)

• RMS phase jitter at 150MHz, using a 25MHz crystal (899.8KHz to 20MHz): TBD

• Phase noise:

Offset Noise Power

100Hz ............... TBD

1KHz ............... TBD

10KHz ............... TBD

100KHz ............... TBD

• Full 3.3V or 3.3V core, 2.5V supply mode

• 0°C to 70°C ambient operating temperature

• Industrial temperature information available upon request