ICS91720 查看數據表（PDF） - Integrated Circuit Systems
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ICS91720 Datasheet PDF : 11 Pages
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ICS91720
Electrical Characteristics - CLKOUT
TA = 0 - 85°C; VDD = 3.3V +/-5%; CL = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output High Voltage
Output Low Voltage
Rise Time
Fall Time
VOH3
VOL3
tr3
tf3
IOH = -1 mA
IOL = 1 mA
VOL = 0.41V, VOH = 0.86V
VOH = 0.86V VOL = 0.41V
2.4
V
0.4
0.5 0.6
1
ns
0.5 0.6
1
ns
Duty Cycle
dt3
measurement from differential wavefrom - 45
0.35V to +035V
Jitter, Cycle to cycle tjcyc-cyc1 VT = 50%
1Guaranteed by design, not 100% tested in production.
50
55
%
50 150 ps
Electrical Characteristics - REF
TA = 0 - 85°C; VDD = 3.3V +/-5%; CL = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
FO1
Output Impedance
RDSP11 VO = VDD*(0.5)
Output High Voltage
VOH1
IOH = -1 mA
Output Low Voltage
VOL1
IOL = 1 mA
Output High Current
Output Low Current
Rise Time
IOH1
V OH@MIN = 1.0 V, V OH@MAX = 3.135 V
IOL1
VOL @MIN = 1.95 V, VOL @MAX = 0.4 V
tr11
VOL = 0.4 V, VOH = 2.4 V
Fall Time
tf11
VOH = 2.4 V, VOL = 0.4 V
Duty Cycle
Jitter
dt11
tjcyc-cyc1
VT = 1.5 V
VT = 1.5 V
1Guaranteed by design, not 100% tested in production.
MIN TYP MAX UNITS
MHz
20
48
60
Ω
2.4
V
0.4 V
-29
-23 mA
29
27 mA
1
1.2
2
ns
1
1.2
2
ns
45
51
55
%
105 300 ps
0698D—10/05/04
9
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