ICS843021I-01 Datasheet, PDF (5/15 Pages) Integrated Circuit Systems – FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V 125MHZ LVPECL CLOCK GENERATOR

ICS843021I-01
FEMTOCLOCKS™CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK GENERATOR
Typical Phase Noise at 125MHz (3.3V or 2.5V)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
-170
-180
-190
100
1k
Gigabit Ethernet Filter
125MHz
RMS Phase Jitter (Random)
1.875MHz to 20MHz (3.3V)= 0.41ps (typical)
1.875MHz to 20MHz (2.5V)= 0.42ps (typical)
Raw Phase Noise Data
Phase Noise Result by adding a
Gigabit Ethernet filter to raw data
10k
100k
1M
10M
100M
Offset Frequency (Hz)
IDT™ / ICS™ 3.3V , 2.5V LVPECL CLOCK GENERATOR
5
ICS843021AGI-01 REV. A DECEMBER 3, 2007