FEMTOCLOCKS™ CRYSTAL-TOLVCMOS/
LVTTL FREQUENCY SYNTHESIZER
840002 DATA SHEET
4 REVISION C 11/10/14
TABLE 6A. AC CHARACTERISTICS, V
DD
= V
DDA
= V
DDO
= 3.3V±5%, TA = 0°C TO 70°C
Symbol Parameter Test Conditions Minimum Typical Maximum Units
f
OUT
Output Frequency Range
F_SEL[1:0] = 00 186.67 226.67 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 56.67 MHz
tsk(o) Output Skew; NOTE 1, 3 12 ps
tjit(Ø)
RMS Phase Jitter (Random);
NOTE 2
212.5MHz @ Integration Range:
637kHz - 10MHz
0.83 ps
159.375MHz @ Integration Range:
637kHz - 10MHz
0.62 ps
156.25MHz @ Integration Range:
1.875MHz - 20MHz
0.59 ps
106.25MHz @ Integration Range:
637kHz - 10MHz
0.80 ps
53.125MHz @ Integration Range:
637kHz - 10MHz
0.68 ps
t
R
/ t
F
Output Rise/Fall Time 20% to 80% 200 700 ps
odc Output Duty Cycle
F_SEL[1:0] ¹ 00 46 54 %
F_SEL[1:0] = 00 42 58 %
NOTE 1: Defi ned as skew between outputs at the same supply voltages and with equal load conditions.
Measured at V
DDO
/2.
NOTE 2: Please refer to the Phase Noise Plot.
NOTE 3: This parameter is defi ned in accordance with JEDEC Standard 65.
TABLE 6B. AC CHARACTERISTICS, V
DD
= V
DDA
= 3.3V±5%, V
DDO
= 2.5V±5%, TA = 0°C TO 70°C
Symbol Parameter Test Conditions Minimum Typical Maximum Units
f
OUT
Output Frequency Range
F_SEL[1:0] = 00 186.67 226.67 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 56.67 MHz
tsk(o) Output Skew; NOTE 1, 3 12 ps
tjit(Ø)
RMS Phase Jitter (Random);
NOTE 2
212.5MHz @ Integration Range:
637kHz - 10MHz
0.73 ps
159.375MHz @ Integration Range:
637kHz - 10MHz
0.62 ps
156.25MHz @ Integration Range:
1.875MHz - 20MHz
0.56 ps
106.25MHz @ Integration Range:
637kHz - 10MHz
0.76 ps
53.125MHz @ Integration Range:
637kHz - 10MHz
0.72 ps
t
R
/ t
F
Output Rise/Fall Time 20% to 80% 200 700 ps
odc Output Duty Cycle
F_SEL[1:0] ¹ 00 46 54 %
F_SEL[1:0] = 00 42 58 %
NOTE 1: Defi ned as skew between outputs at the same supply voltages and with equal load conditions.
Measured at V
DDO
/2.
NOTE 2: Please refer to the Phase Noise Plot.
NOTE 3: This parameter is defi ned in accordance with JEDEC Standard 65.
