ICS844252-04 Datasheet, PDF (5/12 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ CRYSTAL-TO-LVDS CLOCK GENERATOR

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS844252-04
FEMTOCLOCKS™ CRYSTAL-TO-
LVDS CLOCK GENERATOR
TYPICAL PHASE NOISE AT 156.25MHZ
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
1k
Gb Ethernet Filter
156.25MHz
RMS Phase Noise Jitter
1.875MHz to 20MHz = 0.36ps (typical)
Raw Phase Noise Data
Phase Noise Result by adding a
Gb Ethernet Filter Filter to raw data
10k
100k
1M
10M
100M
OFFSET FREQUENCY (HZ)
844252AG-04
www.icst.com/products/hiperclocks.html
5
REV. A JANUARY 26, 2006