Integrated Circuit Systems, Inc.
ICS840021I
FEMTOCLOCKS™CRYSTAL-TOLV
CMOS/LVTTL CLOCK GENERATOR
FEATURES
• 1 LV
CMOS/LVTTL output, 15Ω output impedence • Crystal oscillator interface designed for 25MHz, 18pF parallel resonant crystal • Output frequency: 125MHz • VCO range: 560MHz to 680MHz • RMS phase jitter @ 125MHz, using a 25MHz crystal (1.
875MHz - 20MHz): 0.
48ps (typical) (3.
3V) Offset Noise Power 100Hz -97.
8 dBc/Hz 1kHz .
.
.
.
-124.
6 dBc/Hz 10kHz .
.
.
.
-132.
5 dBc/Hz 100kHz .
.
.
.
-131.
1 dBc/Hz •
Voltage supply modes: VDD/VDDA = 3.
3V VDD/VDDA = 2.
5V • -40°C to 85°C ambient operating temperature • Lead-Free package fully RoHS compliant
GENERAL DESC...