ICS952011 Datasheet, PDF (22/25 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for P4 processor

Integrated
Circuit
Systems, Inc.
ICS952011
Electrical Characteristics - AGPCLK
T_A = 0 - 70°C; V_DD=3.3V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter
F_O1
R_DSP11
V_OH1
V_OL1
I_OH1
I_OL1
t_r11
t_f11
d_t11
t_sk11
t_jcyc-cyc1
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V _OH@MIN = 1.0 V, V _OH@MAX = 3.135 V
V_{OL @MIN} = 1.95 V, V_{OL @MAX} = 0.4 V
V_OL = 0.4 V, V_OH = 2.4 V
V_OH = 2.4 V, V_OL = 0.4 V
V_T = 1.5 V
V_T = 1.5 V
V_T = 1.5 V 3V66
Electrical Characteristics - 12_48MHz, 24_48MHz
T_A = 0 - 70°C; V_DD=3.3V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output High Voltage
Output Low Voltage
R_DSP11
V_OH1
V_OL1
V_O = V_DD*(0.5)
I_OH = -1 mA
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
Jitter
t_jcyc-cyc1
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
MHz
12
55
Ω
2.4
V
0.55 V
-33
-33 mA
30
38 mA
0.5 1.83 2
ns
0.5 1.69 2
ns
45 52.7 55
%
32 250 ps
240 250 ps
MIN TYP MAX UNITS
20
60
Ω
2.4
V
0.4
V
-29
-23
mA
29
27
mA
0.5 1.27 1
ns
0.5 1.4
1
ns
45 52.7 55
%
268 350
ps
Electrical Characteristics - REF
T_A = 0 - 70°C; V_DD = 3.3 V , +/-5%; C_L = 10 - 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Jitter¹
V_OH5
V_OL5
I_OH5
I_OL5
t_r5
t_f5
d_t5
t_jcyc-cyc5
I_OH = -12 mA
I_OL = 9 mA
V_OH = 2.0 V
V_OL = 0.8 V
V_OL = 0.4 V, V_OH = 2.4 V
V_OH = 2.4 V, V_OL = 0.4 V
V_T = 1.5 V
V_T = 1.5 V
MIN TYP MAX UNITS
2.6
V
0.4
V
-22 mA
16
mA
1.98 4
ns
1.87 4
ns
45 54.2 55
%
213 1000 ps
0721A—07/29/03
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