ICS844251-14 Datasheet, PDF (7/16 Pages) Integrated Device Technology – FEMTOCLOCK™ CRYSTAL-TO-LVDS CLOCK GENERATOR

ICS844251-14
FEMTOCLOCK™CRYSTAL-TO-LVDS CLOCK GENERATOR
Parameter Measurement Information
3.3V±5%
POWER SUPPLY
+ Float GND –
V_DD
LVVD^DS^DA
SCOPE
Qx
nQx
2.5V±5%
POWER SUPPLY
+ Float GND –
V_DD
V_DDA
LVDS
SCOPE
Qx
nQx
3.3V LVDS Output Load AC Test Circuit
2.5V LVDS Output Load AC Test Circuit
nQ
20%
Q
80%
t_R
80%
t_F
V_OD
20%
nQ
Q
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
Output Rise/Fall Time
Output Duty Cycle/Pulse Width/Period
Phase Noise Plot
V_DD
Phase Noise Mask
DC Input LVDS
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under the Masked Phase Noise Plot
RMS Phase Jitter
OFFSET VOLTAGE SETUP
out
➤
out
V_OS/∆ V_OS
IDT™ / ICS™ LVDS CLOCK GENERATOR
7
ICS844251BG-14 REV. A MAY 1, 2009