ICS9250-09 Datasheet, PDF (8/12 Pages) Integrated Circuit Systems – Frequency Timing Generator for PENTIUM II Systems

ICS9250-09
Electrical Characteristics - CPUCLK
T_A = 0 - 70º 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 = -12.0 mA
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 = 0.4 V, V_OH = 2.0 V
Fall Time
t_f2B1
V_OH = 2.0 V, V_OL = 0.4 V
Duty Cycle
d_t2
1
B
V_T = 1.25 V
Skew
t_sk2B1 V_T = 1.25 V
Jitter, One Sigma
Jitter, Absolute
Jitter, Cycle-to-cycle
t_j1σ2
1
B
t_jab
1
s2B
t_jcyc-cy
1
c2B
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
2.2
0.3
-35
19 27
0.4 1.2
0.4 1.25
45 48
80
20
-250 61
150
MAX UNITS
V
0.4 V
-19 mA
mA
1.6 ns
1.6 ns
55 %
175 ps
150 ps
+250 ps
250 ps
Electrical Characteristics - CPU/2
T_A = 0 - 70º 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
Output Low Voltage
Output High Current
V_OH2B
V_OL2B
I_OH2B
I_OH = -12.0 mA
I_OL = 12 mA
V_OH = 1.7 V
2
2.3
0.3
-35
Output Low Current
I_OL2B V_OL = 0.7 V
Rise Time
t_r2B1
V_OL = 0.4 V, V_OH = 2.0 V
Fall Time
t_f2B1
V_OH = 2.0 V, V_OL = 0.4 V
Duty Cycle
d
1
t2B
V_T = 1.25 V
Jitter, One Sigma
t_j1σ2B1 V_T = 1.25 V
Jitter, Absolute
t_jabs2B1 V_T = 1.25 V
Jitter, Cycle-to-cycle
t_jcy
1
c-cyc2B
V_T = 1.25 V
1_{Guaranteed by design, not 100% tested in production.}
19 27
0.4 1.1
0.4
1
45 48
20
-250 70
100
MAX UNITS
V
0.4 V
-19 mA
mA
1.6 ns
1.6 ns
55
%
150 ps
+250 ps
250 ps
8