ICS9112-43 Datasheet (Integrated Circuit Systems) - (ICS9112-43/44) Frequency Generator

ICS9112-43, (ICS9112-43/44) Frequency Generator

The ICS9112-43/44 is a high speed clock generator designed .D to support Gigabit Ethernet system requirements.

The w ICS9112-43/44 generates 125 MHz from a 20 MHz crystal.

w wAn exact frequency multiplying ratio ensures better than ±100 ppm frequency accuracy using a standard AT crystal with externa

ICS9112-43 Features

* Generates 125 MHz clocks from a 20 MHz crystal Less than 45ps one sigma jitter (15ps typ.) Less than ±130ps absolute jitter Less than 50ps accumulative jitter @ 256 cycles Rise/fall times less than 1.2ns driving 15pF On-