NBXSPA022
http://onsemi.com
4
Table 6. AC CHARACTERISTICS (VDD = 2.5 V ± 5% or VDD = 3.3 V ± 10%, GND = 0 V, TA = 40°C to +85°C) (Note 4) Symbol
Characteristic
Conditions
Min.
Typ.
Max.
Units
fCLKOUT
Output Clock Frequency
187.5
MHz
Df
Frequency Stability NBXSPA022
±50
ppm
FNOISE
PhaseNoise Performance
100 Hz of Carrier
96
dBc/Hz
fCLKout = 187.5 MHz
1 kHz of Carrier
117
dBc/Hz
10 kHz of Carrier
124
dBc/Hz
100 kHz of Carrier
126
dBc/Hz
1 MHz of Carrier
133
dBc/Hz
10 MHz of Carrier
158
dBc/Hz
tjit(F)
RMS Phase Jitter
12 kHz to 20 MHz
0.5
0.75
ps
tjitter
Cycle to Cycle, RMS
1000 Cycles
1
8
ps
Cycle to Cycle, PeaktoPeak
1000 Cycles
7
35
ps
Period, RMS
10,000 Cycles
0.6
4
ps
Period, PeaktoPeak
10,000 Cycles
5
20
ps
tOE/OD
Output Enable/Disable Time
200
ns
tDUTY_CYCLE
Output Clock Duty Cycle
(Measured at Cross Point)
48
50
52
%
tR
Output Rise Time (20% and 80%)
250
400
ps
tF
Output Fall Time (80% and 20%)
250
400
ps
tstart
Startup Time
1
5
ms
Aging
1st Year
3
ppm
Every Year After 1st
1
ppm
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 Ifpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit
values are applied individually under normal operating conditions and not valid simultaneously.
4. Measurement taken with outputs terminated with 100 ohm across differential pair. See Figure
4.5. Parameter guarantees 10 years of aging. Includes initial stability at 25°C, shock, vibration and first year aging.
Figure 3. Typical Phase Noise Plot at 187.5 MHz