ICS9250-08 Datasheet, PDF (11/15 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™

ICS9250-08
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
Output High Voltage
V_OH2B I_OH = -12.0 mA
2
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
19
Rise Time
t_r2B1
V_OL = 0.4 V, V_OH = 2.0 V
0.4
Fall Time
t_f2B1
V_OH = 2.0 V, V_OL = 0.4 V
0.4
Duty Cycle
d_t1B1
V_T = 1.25 V; CPU < 120MHz
d_t2B1 V_T = 1.25 V; CPU >= 124MHz
45
35
Skew
t_sk2B1
t_sk2B1
V_T = 1.25 V; CPU >= 100 MHz
V_T = 1.25 V; CPU < 100 MHz
Jitter, One Sigma
t_j1σ2B1
V_T = 1.25 V
Jitter, Absolute
t_jabs2B1 V_T = 1.25 V
-250
Jitter, Cycle-to-cycle t_jcyc-cyc2B1 V_T = 1.25 V
1_{Guaranteed by design, not 100% tested in production.}
TYP MAX UNITS
2.3
V
0.3 0.4 V
-35 -19 mA
26
mA
1.4 1.8 ns
1.35 1.8 ns
45
55
%
43
50
150 175
ps
170 240
35 150
99 +250 ps
210 250
Electrical Characteristics - PCICLK
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 60 pF for PCI0 & PCI1, CL = 30 pF for other PCIs
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
Output High Voltage
V_OH1
I_OH = -18 mA
Output Low Voltage
V_OL1
I_OL = 9.4 mA
Output High Current
I_OH1
V_OH = 2.0 V
Output Low Current
I_OL1
V_OL = 0.8 V
Rise Time¹
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time¹
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle¹
d_t1
V_T = 1.5 V
Skew¹ window
t_sk1
V_T = 1.5 V; All PCI clocks including PCI0
t_sk1
V_T = 1.5 V; All PCI clocks except PCI0
Jitter, One Sigma¹
t_j1σ1
V_T = 1.5 V
Jitter, Absolute¹
t_jabs1
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
2.4 2.9
0.2 0.4
-52 -22
25
41
0.5 2.2 2.6
0.5 1.8 2.2
46
50
56
400 850
250 500
15 150
-250 60 250
UNITS
V
V
mA
mA
ns
ns
%
ps
ps
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