FEMTOCLOCKS™ CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER 5 Rev A 6/10/15
844004-104 DATA SHEET
AC Electrical Characteristics
Table 5A. AC Characteristics, V
DD
= V
DDO
= 3.3V ± 5%, T
A
= 0°C to 70°C
NOTE 1: Defined as skew between outputs at the same supply voltages and with equal load conditions. Measured at the differential cross
points.
NOTE 2: This parameter is defined in accordance with JEDEC Standard 65.
NOTE 3: Please refer to the Phase Noise Plots.
Table 5B. AC Characteristics, V
DD
= V
DDO
= 2.5V ± 5%, T
A
= 0°C to 70°C
NOTE 1: Defined as skew between outputs at the same supply voltages and with equal load conditions. Measured at the differential cross
points.
NOTE 2: This parameter is defined in accordance with JEDEC Standard 65.
NOTE 3: Please refer to the Phase Noise Plots.
Parameter Symbol Test Conditions Minimum Typical Maximum Units
f
OUT
Output Frequency
F_SEL[1:0] = 00 186.67 226.66 MHz
F_SEL[1:0] = 01 140 170 MHz
F_SEL[1:0] = 10 93.33 113.33 MHz
F_SEL[1:0] = 11 46.67 56.66 MHz
tsk(o) Output Skew; NOTE 1, 2 35 ps
tjit(Ø)
RMS Phase Jitter, Random;
NOTE 3
212.5MHz, (637kHz - 10MHz) 0.73 ps
159.375MHz, (637kHz - 10MHz) 0.78 ps
106.25MHz, (637kHz -10MHz) 0.92 ps
53.125MHz, (637kHz - 10MHz) 0.95 ps
187.5MHz, (637kHz - 10MHz) 0.75 ps
t
R
/ t
F
Output Rise/Fall Time 20% to 80% 250 500 ps
odc Output Duty Cycle
F_SEL[1:0] ÷3 48 52 %
F_SEL[1:0] = ÷3 40 60 %
Parameter Symbol Test Conditions Minimum Typical Maximum Units
f
OUT
Output Frequency
F_SEL[1:0] = 00 186.67 226.66 MHz
F_SEL[1:0] = 01 140 170 MHz
F_SEL[1:0] = 10 93.33 113.33 MHz
F_SEL[1:0] = 11 46.67 56.66 MHz
tsk(o) Output Skew; NOTE 1, 2 35 ps
tjit(Ø)
RMS Phase Jitter, Random;
NOTE 3
212.5MHz, (637kHz - 10MHz) 0.72 ps
159.375MHz, (637kHz - 10MHz) 0.88 ps
106.25MHz, (637kHz -10MHz) 0.89 ps
53.125MHz, (637kHz - 10MHz) 0.96 ps
187.5MHz, (637kHz - 10MHz) 0.74 ps
t
R
/ t
F
Output Rise/Fall Time 20% to 80% 250 550 ps
odc Output Duty Cycle
F_SEL[1:0] ÷3 48 52 %
F_SEL[1:0] = ÷3 40 60 %
