ICS94241 Datasheet, PDF (11/16 Pages) Integrated Circuit Systems – Programmable TCH™ for Differential PIII™ Processor

ICS94241
Electrical Characteristics - CPUCLK
T_A = 0 - 70°C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
Output High Voltage V_OH2B
I_OH = -12.0mA
Output Low Voltage V_OL2B
I_OL = 12 mA
Output High Current I_OH2B
V_OH = 1.7 V
Output Low Current I_OL2B
V_OL = 0.7 V
Rise Time
t_r2B1
V_OL = 0.5V, V_OH = 2.0 V
Fall Time
Duty Cycle
Skew
Jitter, Cycle-to-cycle
t_f2B1
d_t2B1
t_sk2B1
t_jcyc-cyc2B1
V_OH = 2.0V, V_OL = 0.5 V
V_T = 1.25 V
V_T = 1.25 V
V_T = 1.25 V
1_{Guaranteed by design, not 100% tested in production.}
2
19
0.95
0.95
45
49
145
225
MAX
0.4
-19
1.3
1.3
55
175
250
UNITS
V
V
mA
mA
ns
ns
%
ps
ps
Electrical Characteristics - PCICLK
T_A = 0 - 70°C; V_DD = 3.3 V +/-5% , V_DDL = 2.5 V +/-5% ; C_L = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Output High Voltage V_OH1
I_OH = -11 mA
2 .4
V
Output Low Voltage V_OL1
I_OL = 9.4 mA
0 .4
V
Output High Current I_OH1
V_OH = 2.0 V
-22
mA
Output Low Current I_OL1
V_OL = 0.8 V
25
mA
Rise Time¹
t_{r 1}
V_OL = 0.4 V,V_OH = 2.4 V
1 .6
2
ns
Fall Time¹
t_f1
V_OH = 2.4 V,V_OL = 0.4 V
1 .9
2
ns
Duty Cycle¹
d _t1
V_T = 1.5 V
45
52
55
%
Skew¹
t_sk1
V_T = 1.5 V
50
500
ps
Jitter, C ycle-to-cycle tjcyc-cyc2B1
V_T= 1.5 V
240
250
ps
1_{Guaranteed by design, not 100% tested in production.}
0453C—10/26/04
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