ICS9248-96 Datasheet, PDF (9/12 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™

ICS9248-96
Electrical Characteristics - CPU
T_A = 0 - 70°C; V_DDL = 2.5 V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance¹
R_DSP2B V_O = V_DD/2
Output High Voltage V_OH2B I_OH = -1 mA
Output Low Voltage
V_OL2B I_OL = 1 mA
Output High Current
I_OH
V_OH = 1.0 V
V_OH = 2.375 V
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
I_OL
V_OL = 1.2 V
V_OL = 0.3 V
t_r
0.4 V to 2.0 V
t_f
2.0 V to 0.4 V
d_t
V_T = 1.25 V
Skew window¹
t_sk
V_T = 1.25 V
Jitter, Cycle-to-cycle¹
t_jcyc-cyc
V_T = 1.25 V; 66 MHz < f_CPU < 133 MHz
f_SDRAMb= 100 MHz or 133 MHz
Spread ON or OFF
1_{Guaranteed by design and characterization, not 100% tested in production.}
MIN TYP MAX UNITS
13.5 14
45
Ω
2
2.5
V
0.2 0.4
V
-85
-27
mA
-27 -9
27
68
mA
20
30
0.5 1.1
2
ns
0.5 1.1
2
ns
45
50
55
%
50 175 ps
200 250 ps
Electrical Characteristics - 3V66
T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance¹
R_DSP1B V_O = V_DD/2
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 = 1.0 V
V_OH = 3.135 V
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew window¹
Jitter, Cycle-to-cycle¹
I_OL1
t_r1
t_f1
d_t1
t_sk1
t_jcyc-cyc1
V_OL = 1.95 V
V_OL = 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
1_{Guaranteed by design and characterization, not 100% tested in production.}
MIN TYP MAX UNITS
12
18
55
Ω
2.4 3.3
V
0.1 0.4
V
-136 -33
mA
-33 -13
30 115
mA
28
38
0.5 1.2
2
ns
0.5 1.3
2
ns
45 53.6 55
%
37 175 ps
280 500 ps
0311D—04/23/04
9