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ICS94201 Datasheet, PDF (14/18 Pages) Integrated Circuit Systems – Programmable System Frequency Generator for PII/III™
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ICS94201
Electrical Characteristics - PCI
TA = 0 - 70º C; VDD = 3.3 V +/-5%, CL = 40 pF for PCI0-1, CL = 10 - 30 pF for other PCIs (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output Impedance1
Output Impedance1
RDSP1
RDSN1
Vo=VDD*(0.5)
Vo=VDD*(0.5)
12
55
Ω
12
55
Ω
Output High Voltage
Output Low Voltage
Output High Current
VOH1
VOL1
IOH1
IOH = -1 mA
IOL = 1 mA
VOH@MIN = 1 V
VOH@MAX = 3.135V
2.4
V
0.55 V
-33
-33
mA
Output Low Current
IOL1
VOL@MIN = 1.95 V
VOL@MAX =0.4V
30
38
mA
Rise Time1
tr1
VOL = 0.4 V, VOH = 2.4 V, PCI0-3
PCI3-7
0.5
1.8
2
ns
2.2
2.5
Fall Time1
tf1
VOL = 2.4 V, VOH = 0.4 V, PCI0-3
PCI3-7
Duty Cycle1
Skew1
Jitter, cycle-to-cycle1
dt1
tsk1
tjcyc-cyc1
VT = 1.5 V
VT = 1.5 V
VT = 1.5 V
1Guaranteed by design, not 100% tested in production.
0.5
1.8
2
ns
2.3
2.5
45
51
55
%
150 500 ps
200 500 ps
Electrical Characteristics - REF, 24_48MHz, 48MHz
TA = 0 - 70C; VDD = 3.3 V +/-5%; CL = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance1
RDSP5 VO = VDD*(0.5)
Output Impedance1
RDSN5 VO = VDD*(0.5)
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
VOH5
VOL5
IOH5
IOL5
tr5
tf5
dt5
IOH = -1 mA
IOL = 1 mA
VOH @ MIN = 1.0 V
VOH @ MAX = 3.135 V
VOL @ MIN = 1.95 V
VOL @ MAX = 0.4 V
VOL = 0.4 V, VOH = 2.4 V
VOH = 2.4 V, VOL = 0.4 V
VT = 1.5 V
Jitter, cycle-to-cycle1
tjcyc-cyc5
VT = 1.5 V, Fixed clocks
VT = 1.5 V, Ref clocks
1Guaranteed by design, not 100% tested in production.
MIN TYP MAX UNITS
20
60
Ω
20
60
Ω
2.4
V
0.4
V
-29
-23
mA
29
27
mA
0.4
2
4
ns
0.4
2
4
ns
45
53
55
%
200
500
ps
2300 3000
14
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