ICS950818 Datasheet, PDF (13/20 Pages) Integrated Circuit Systems – Frequency Generator with 200MHz Differential CPU Clocks

ICS950818
Electrical Characteristics - 3V66
T_A = 0 - 90°C; VDD=3.3V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Average Period
Output High Voltage
Output Low Voltage
R_DSP11
T_PERIOD
V_OH1
V_OL1
V_O = V_DD*(0.5)
Fig. 8
I_OH = -1 mA
I_OL = 1 mA
Output High Current
I_OH1
V _OH = 1.0 V
V _OH = 3.135 V
Output Low Current
I_OL1
V_OL = 1.95 V
V_OL = 0.4 V
Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V (Fig. 7)
Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V (Fig. 7)
Duty Cycle
d_t11
V_T = 1.5 V (Fig. 8)
Skew
t_sk11
V_T = 1.5 V
Jitter
t_jcyc-cyc1
V_T = 1.5 V (Fig. 8)
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX
12 64.50 65
15.00 15.01 15.30
2.05 3.24
0.06 0.65
-90 -33
-33 -14
26 35
103 38
0.5 1.74 2.3
0.5 1.45 2.3
45 52.05 55
13.50 250
158.75 290
UNITS
Ω
ns
V
V
mA
ns
ns
%
ps
ps
Electrical Characteristics - VCH, 48MHz DOT, 48MHz, USB
T_A = 0 - 90°C; VDD=3.3V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
F_O1
R_DSP11
V_OH1
V_OL1
I_OH1
Fig. 8
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V _OH = 1.0 V
V _OH = 3.135 V
Output Low Current
I_OL1
V_OL = 0.4 V
V_OL 1.95 V
48DOT Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V (Fig. 7)
48DOT Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V (Fig. 7)
VCH 48 USB Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V (Fig. 7)
VCH 48 USB Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V (Fig. 7)
48 DOT Duty Cycle
d_t11
V_T = 1.5 V (Fig. 8)
VCH 48 USB Duty Cycle
d_t11
V_T = 1.5 V (Fig. 8)
48 DOT Jitter
t_jcyc-cyc1
V_T = 1.5 V (Fig. 8)
USB to DOT Skew
t_sk11
V_T = 1.5 V (0 OR 180 degrees)
VCH Jitter
t_jcyc-cyc1
V_T = 1.5 V (Fig. 8)
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX
48.008
20 52.50 70
2.05 3.24
0.06 0.5
-53 -29
-20 -7
21 27
25 60
0.5 0.86 1.15
0.5 0.86 1.15
1 1.37 2.3
1 1.37 2.3
45 51.10 55
45 52.80 55
182.63 410
0.13 1
153.25 410
UNITS
MHz
Ω
V
V
mA
mA
ns
ns
ns
ns
%
%
ps
ns
ps
0825F—11/19/03
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