ICS950220 Datasheet, PDF (14/20 Pages) Integrated Circuit Systems – Programmable Timing Control Hub™ for P4™

Integrated
Circuit
Systems, Inc.
ICS950220
Electrical Characteristics - PCICLK
T_A = 0 - 70°C; VDD=3.3V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
F_O1
Output Impedance
Output High Voltage
R_DSP11
V_OH1
V_O = V_DD*(0.5)
I_OH = -1 mA
Output Low Voltage
V_OL1
I_OL = 1 mA
Output High Current
I_OH1
V _OH@MIN = 1.0 V,
V _OH@MAX = 3.135 V
Output Low Current
I_OL1
V_{OL @MIN} = 1.95 V,
V_{OL @MAX} = 0.4 V
Rise Time
Fall Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle
d_t11
V_T = 1.5 V
Skew
t_sk11
V_T = 1.5 V
Jitter,cycle to cyc
t_jcyc-cyc1 VT = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
33.33
MHz
12
55
Ω
2.4
V
0.55
V
-33
-33
mA
30
38
mA
0.5 188
2
ns
0.5 1.79
2
ns
45
52
55
%
280
500
ps
200
500
ps
Electrical Characteristics - 3V66
T_A = 0 - 70°C; VDD=3.3V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
F_O1
Output Impedance
R_DSP11 VO = VDD*(0.5)
Output High Voltage
V_OH1
I_OH = -1 mA
Output Low Voltage
V_OL1
I_OL = 1 mA
Output High Current
I_OH1
V _OH@MIN = 1.0 V,
V _OH@MAX = 3.135 V
Output Low Current
I_OL1
V_{OL @MIN} = 1.95 V,
V_{OL @MAX} = 0.4 V
Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle
d_t11
V_T = 1.5 V
Skew
t_sk11
V_T = 1.5 V
Jitter
t_jcyc-cyc1 VT = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
Note: 3V66@66Mhz- main PLL
MIN TYP MAX UNITS
MHz
12
33
55
Ω
2.4
V
0.55
V
-33
-33
mA
30
38
mA
0.5 1.55
2
ns
0.5 1.32
2
ns
45 51.7
55
%
16
250
ps
200
250
ps
0467F—07/28/05
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