ICS950818 Datasheet, PDF (12/20 Pages) Integrated Circuit Systems – Frequency Generator with 200MHz Differential CPU Clocks

ICS950818
Electrical Characteristics - CPU (0.7V Select) 100MHz
T_A = 0 - 90°C; VDD=3.3V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Current Source Output
Impedance
Zo¹
V_O = V_x
Average Period
Voltage High
T_PERIOD
VHigh
Fig. 1
Statistical measurement on single ended signal
Voltage Low
VLow
using oscilloscope math function.
Max Voltage
Vovs
Measurement on single ended signal using
Min Voltage
Vuds
absolute value.
Crossing Voltage (abs) Vcross(abs)
Fig. 3
Crossing Voltage (var) d-Vcross
Variation of crossing over all edges (Fig. 4)
Rise Time
t_r
V_OL = 0.175V, V_OH = 0.525V (Fig. 3)
Fall Time
t_f
V_OH = 0.525V V_OL = 0.175V (Fig. 3)
Rise Time Variation
d-t_r
Fall Time Variation
d-t_f
Duty Cycle
d_t3
Measurement from differential wavefrom (Fig 1)
Skew
t_sk3
Jitter, Cycle to cycle
t_jcyc-cyc1
1_{Guaranteed by design, not 100% tested in production.}
V_T = 50%
V_T = 50% (Fig. 1)
MIN TYP MAX UNITS
3000 -
Ω
10.00 10.02 10.20 ns
660 757.1 850 _mV
-150 9.067 150
774.7 1150 _mV
-450 3
250 386.1 550 mV
41.57 140 mV
175 552.8 810 ps
175 558.7 810 ps
34.25 125 ps
45.5 125 ps
45 50.58 55 %
60.5 100 ps
65.25 175 ps
Electrical Characteristics - CPU (0.7V Select) 133.33MHz
T_A = 0 - 90°C; VDD=3.3V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Current Source Output
Impedance
Zo¹
V_O = V_x
Average Period
Voltage High
T_PERIOD
VHigh
Fig. 1
Statistical measurement on single ended signal
Voltage Low
VLow
using oscilloscope math function.
Max Voltage
Vovs
Measurement on single ended signal using
Min Voltage
Vuds
absolute value.
Crossing Voltage (abs) Vcross(abs)
Fig. 3
Crossing Voltage (var) d-Vcross
Variation of crossing over all edges (Fig. 4)
Rise Time
t_r
V_OL = 0.175V, V_OH = 0.525V (Fig. 3)
Fall Time
t_f
Rise Time Variation
d-t_r
Fall Time Variation
d-t_f
V_OH = 0.525V V_OL = 0.175V (Fig. 3)
Duty Cycle
d_t3
Measurement from differential wavefrom (Fig 1)
Skew
t_sk3
Jitter, Cycle to cycle
t_jcyc-cyc1
1_{Guaranteed by design, not 100% tested in production.}
V_T = 50%
V_T = 50% (Fig. 1)
MIN
3000
7.50
660
-150
-450
250
175
175
45
TYP
-
7.58
757
9
775
3
386
42
553
559
34
46
51
61
65
MAX UNITS
Ω
7.65 ns
850 _mV
150
1150 _mV
550 mV
140 mV
810 ps
810 ps
125 ps
125 ps
55 %
100 ps
175 ps
0825F—11/19/03
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