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ICS94201 Datasheet, PDF (12/18 Pages) Integrated Circuit Systems – Programmable System Frequency Generator for PII/III™
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ICS94201
Electrical Characteristics - CPU
TA = 0 - 70º C; VDDL = 2.5 V +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance1
Output Impedance1
RDSP2B
RDSN2B
Vo=VDD*(0.5)
Vo=VDD*(0.5)
Output High Voltage
VOH2B IOH = -1 mA
Output Low Voltage
VOL2B IOL = 1 mA
Output High Current
IOH2B
VOH@MIN = 1 V
VOH@MAX = 2.375V
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Skew1
IOL2B
tr2B
tf2B
dt2B
tsk2B
VOL@MIN = 1.2 V
VOL@MAX =0.3V
VOL = 0.4 V, VOH = 2.0 V
VOH = 2.0 V, VOL = 0.4 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V, CPU 66, SDRAM 100
Jitter, Cycle-to-cycle1 tjcyc-cyc2B
CPU 100, SDRAM 100
CPU 133, SDRAM 100
CPU 133, SDRAM 133
1Guaranteed by design, not 100% tested in production.
MIN TYP MAX UNITS
13.5 15
45
Ω
13.5 16.5 45
Ω
2
2.48
V
0.04 0.4
V
-60 -27
mA
-27
-7
27
63
mA
20
30
0.4
1
1.6 ns
0.4
1
1.6 ns
45
50
55
%
30 175 ps
300 350
240 250
ps
400 500
300 350
Electrical Characteristics - 3V66
TA = 0 - 70C; VDD = 3.3 V +/-5%; CL = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance1
Output Impedance1
RDSP1
RDSN1
VO = VDD*(0.5)
VO = VDD*(0.5)
Output High Voltage
VOH1
IOH = -1 mA
Output Low Voltage
VOL1
IOL = 1 mA
Output High Current
IOH1
VOH @ MIN = 1.0 V
VOH @ MAX = 3.135 V
Output Low Current
IOL1
VOL @ MIN = 1.95 V
VOL @ MAX = 0.4 V
Rise Time1
tr1
VOL = 0.4 V, VOH = 2.4 V
Fall Time1
tf1
VOH = 2.4 V, VOL = 0.4 V
Duty Cycle1
dt1
VT = 1.5 V
Skew 1
Jitter, Cycle-to-cycle1
tsk1
tjcyc-cyc1
VT = 1.5 V
VT = 1.5 V
1Guaranteed by design, not 100% tested in production.
MIN TYP MAX UNITS
12
55
Ω
12
55
Ω
2.4
V
0.55 V
-33
-33
mA
30
38
mA
0.4
1
1.6
ns
0.4
0.9
1.6
ns
45
49
55
%
35
175
ps
220 500 ps
12
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