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ICS9248-146 Datasheet, PDF (7/16 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™
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ICS9248-146
Electrical Characteristics - CPU
TA = 0 - 70C; VDDL = 2.5 V +/-5%; VDDL = 2.5 V +/-5%; CL = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output Impedance1
Output Impedance1
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time1
RDSP2B
RDSN2B
VOH2B
VOL2B
IOH2B
IOL2B
tr2B
VO = VDD*(0.5)
VO = VDD*(0.5)
IOH = -12.0 mA
IOL = 12 mA
VOH = 1.7 V
VOL = 0.7 V
VOL = 0.4 V, VOH = 2.0 V
10
10
2
19
0.4 1.2
Fall Time1
Duty Cycle1
Skew window0:1
Skew window0:2
Jitter, Cycle-to-cycle1
tf2B
dt2B
tsk2B
tsk2B
tjcyc-cyc
VOH = 2.0 V, VOL = 0.4 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V, CPU=66 MHz
0.4 1.1
45 46.9
43
142
177
1Guaranteed by design, not 100% tested in production.
MAX UNITS
20
Ω
20
Ω
V
0.4 V
-19 mA
mA
1.6 ns
1.6 ns
55
%
175 ps
375 ps
250 ps
Electrical Characteristics - 24-48MHz
TA = 0 - 70C; VDD = 3.3 V +/-5%;VDDL = 2.5 V +/-5%; CL = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Jitter
RDSP5B1
RDSN5B1
VOH15
VOL5
IOH5
IOL5
tr5
tf5
dt5
tcycle to cycle
VO = VDD*(0.5)
VO = VDD*(0.5)
IOH = -14 mA
IOL = 6.0 mA
VOH = 2.0 V
VOL = 0.8 V
VOL = 0.4 V, VOH = 2.4 V
VOH = 2.4 V, VOL = 0.4 V
VT = 1.5 V
VT = 1.5 V
20
20
2.4
10
0.4 1.45
0.4 1.5
45 52.5
210
1Guaranteed by design, not 100% tested in production.
MAX UNITS
60
Ω
60
Ω
V
0.4 V
-20 mA
mA
4
ns
4
ns
55
%
500 ps
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