REVISION B 6/9/15
844002 DATA SHEET
5 FEMTOCLOCKS™ CRYSTAL-TO-LVDS
FREQUENCY SYNTHESIZER
TABLE 5A. AC CHARACTERISTICS, V
DD
= V
DDO
= 3.3V±5%, TA = 0°C TO 70°C
TABLE 5B. AC CHARACTERISTICS, V
DD
= V
DDO
= 2.5V±5%, TA = 0°C TO 70°C
Symbol Parameter 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 15 ps
tjit(Ø)
RMS Phase Jitter (Random);
NOTE 3
212.5MHz, (637kHz - 10MHz) 0.65 ps
159.375MHz, (637kHz - 10MHz) 0.61 ps
106.25MHz, (637kHz -10MHz) 0.74 ps
53.125MHz, (637kHz - 10MHz) 0.64 ps
187.5MHz, (637kHz - 10MHz) 0.80 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 45 55 %
NOTE 1: Defi ned 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 defi ned in accordance with JEDEC Standard 65.
NOTE 3: Please refer to the Phase Noise Plot.
Symbol Parameter 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 15 ps
tjit(Ø)
RMS Phase Jitter (Random);
NOTE 3
212.5MHz, (637kHz - 10MHz) 0.65 ps
159.375MHz, (637kHz - 10MHz) 0.61 ps
106.25MHz, (637kHz -10MHz) 0.74 ps
53.125MHz, (637kHz - 10MHz) 0.64 ps
187.5MHz, (637kHz - 10MHz) 0.80 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 45 55 %
NOTE 1: Defi ned 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 defi ned in accordance with JEDEC Standard 65.
NOTE 3: Please refer to the Phase Noise Plot.
