ICS9120-56 Datasheet, PDF (2/5 Pages) Integrated Circuit Systems – Frequency Timing Generator for EtherNet & Hard Drives

ICS9120-56
Pin Descriptions for ICS9120-56
PIN
PIN
NUMBER NAME
1
X1
2
VDD
3
GND
4
CLK1
5
CLK2
6
CLK3
7
REF
8
X2
TYPE
DE SCRIPTIO N
Input
Power
Power
Output
Output
Output
Output
Output
Crystal or external clock source. Has feedback bias for crystal, and internal
crystal load capacitors to GND.
+Power supply input.
Ground return for Pin 2.
40.00 M Hz clock output.
22.5 MHz output clock.
20.00 M Hz output clock.
Reference clock
Crystal output drive, includes internal crystal load capacitor to GND.
2