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ICS9148-12 Datasheet(PDF) 13 Page - Integrated Circuit Systems

Part # ICS9148-12
Description  Pentium/ProTM System Clock Chip
PDF  18 Pages
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Manufacturer  ICST [Integrated Circuit Systems]
Direct Link  http://www.icst.com
Logo ICST - Integrated Circuit Systems

ICS9148-12 Datasheet(HTML) 13 Page - Integrated Circuit Systems

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ICS9148-12
Electrical Characteristics - CPU
TA = 0 - 70C; VDD = VDDL = 3.3 V +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Output Frequency
FO2
60
66
MHz
Output Impedance
RDSP2A
1
VO = VDD*(0.5)
10
20
Ω
Output Impedance
RDSN2A
1
VO = VDD*(0.5)
10
20
Ω
Output High Voltage
VOH2A
IOH = -28 mA
2.4
2.5
V
Output Low Voltage
VOL2A
IOL = 27 mA
0.35
0.4
V
Output High Current
IOH2A
VOH = 2.0 V
-52
-48
mA
Output Low Current
IOL2A
VOL = 0.8 V
49.3
59
mA
Rise Time
tr2A
1
VOL = 0.4 V, VOH = 2.4 V
1.1
2.85
ns
Fall Time
tf2A
1
VOH = 2.4 V, VOL = 0.4 V
0.95
2.85
ns
Duty Cycle
dt2A
1
VT = 1.5 V
45
51
55
%
Skew
tsk2A
1
VT = 1.5 V
80
250
ps
tjcyc-cyc2A
1
VT = 1.5 V
170
250
ps
Jitter
tj1s2A
1
VT = 1.5 V
60
150
ps
tjabs2A
1
VT = 1.5 V
-250
100
+250
ps
1
Guarenteed by design, not 100% tested in production.
Electrical Characteristics - CPU
TA = 0 - 70C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Output Frequency
FO2
60
66
MHz
Output Impedance
RDSP2B
1
VO = VDD*(0.5)
10
20
Ω
Output Impedance
RDSN2B
1
VO = VDD*(0.5)
10
20
Ω
Output High Voltage
VOH2B
IOH = -8.0 mA
2.1
2.15
V
Output Low Voltage
VOL2B
IOL = 21 mA
0.3
0.4
V
Output High Current
IOH2B
VOH = 1.8 V
-22
-18
mA
Output Low Current
IOL2B
VOL = 0.5 V
33
36
mA
Rise Time
tr2B
1
VOL = 0.4 V, VOH = 2.0 V
1.2
1.5
ns
Fall Time
tf2B
1
VOH = 2.0 V, VOL = 0.4 V
0.95
1.3
ns
Duty Cycle
dt2B
1
VT = 1.25 V
45
50
55
ns
Skew
tsk2B
1
VT = 1.25 V
60
250
ps
tjcyc-cyc2B
1
VT = 1.25 V
150
250
ps
Jitter
tj1s2B
1
VT = 1.25 V
50
150
ps
tjabs2B
1
VT = 1.25 V
-250
80
+250
ps
1
Guarenteed by design, not 100% tested in production.



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