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ICS94211AFLF Datasheet, PDF (12/17 Pages) Integrated Device Technology – Programmable System Frequency Generator for PII/III™
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ICS94211
Electrical Characteristics - IOAPIC
TA = 0 - 70°C; VDD = 3.3V; VDDL = 2.5 V +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN TYP
Output Impedance1 RDSP4B Vo=VDD*(0.5)
9
Output Impedance1 RDSN4B Vo=VDD*(0.5)
9
Output High Voltage VOH4B IOH = -5.5 mA
2
Output Low Voltage VOL4B IOL = 9 mA
Output High Current
IOH4B
VOH@MIN = 1.4 V
VOH@MAX = 2.5V
-36
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
IOL4B
tr4B
tf4B
dt4B
VOL@MIN = 1.0 V
VOL@MAX =0.2V
VOL = 0.4 V, VOH = 2.0 V
VOH = 2.0 V, VOL = 0.4 V
VT = 1.25 V
36
0.4 0.7
0.4 1.1
45 53.7
1Guaranteed by design, not 100% tested in production.
MAX UNITS
3
Ω
30
Ω
V
0.4 V
-21
mA
mA
31
1.6 ns
1.6 ns
55 %
Electrical Characteristics - SDRAM
TA = 0 - 70°C; VDD = 3.3 V +/-5%, CL = 20 - 30 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN
Output Impedance1 RDSP3 Vo=VDD*(0.5)
10
Output Impedance1 RDSN3 Vo=VDD*(0.5)
10
Output High Voltage VOH3 IOH = -1 mA
2.4
Output Low Voltage VOL3 IOL = 1 mA
Output High Current
IOH3
VOH@MIN = 2 V
VOH@MAX = 3.135V
-54
Output Low Current
IOL3
VOL@MIN = 1 V
VOL@MAX =0.4V
54
Rise Time1
tr3
VOL = 0.4 V, VOH = 2.4 V
0.4
Fall Time1
tf3
VOH = 2.4 V, VOL = 0.4 V
0.4
Duty Cycle1
dt3
VT = 1.5 V
45
Skew1
tsk3
VT = 1.5 V
Propagation Delay Tprop VT = 1.5 V
1Guaranteed by design, not 100% tested in production.
TYP
0.8
0.8
51.7
166
3.1
MAX UNITS
24
Ω
24
Ω
V
0.4 V
-46
mA
mA
53
1.6 ns
1.6 ns
55 %
250 ps
5
ns
0441F—08/24/05
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