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ICS9248-199 Datasheet, PDF (13/21 Pages) Integrated Circuit Systems – Frequency Generator for SIS 735/740 with AMD K7 Processor
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ICS9248-199
Electrical Characteristics - PCICLK
TA = 0 - 70°C; VDD = 3.3V +/-5%; CL = 30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance1
Output Impedance1
RDSP1B
RDSN1B
VO=VDD*(0.5)
VO=VDD*(0.5)
Output High Voltage
VOH1 IOH = -18 mA
Output Low Voltage
VOL1
IOL = 9.4 mA
Output High Current
IOH1
VOH = 2.0 V
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Skew Window1
Jitter, Cycle-to-Cycle1
IOL1
tr1
tf1
dt1
tsk1
tcyc-cyc1
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
VT = 1.5 V
1Guaranteed by design, not 100% tested in production.
MIN TYP MAX UNITS
12
55
Ω
12
55
Ω
2.6
V
0.4 V
-22 mA
25
mA
1.7 2.0 ns
1.8 2.0 ns
45
51
55
%
170 500 ps
265 500 ps
Electrical Characteristics - SDRAM
TA = 0 - 70°C; VDD=3.3V +/-5%; CL = 30 pF (unless otherwise specified)
PARAMETER
Output Impedance1
Output Impedance1
SYMBOL
RDSP3
RDSN3
CONDITIONS
VO=VDD*(0.5)
VO=VDD*(0.5)
Output High Voltage
VOH3 IOH = -28 mA
Output Low Voltage
VOL3
IOL = 19 mA
Output High Current
IOH3
VOH = 2.0 V
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
IOL3
VOL = 0.8 V
tr3
VOL = 0.4 V, VOH = 2.4 V
tf3
VOH = 2.4 V, VOL = 0.4 V
dt3
VT = 1.5 V
Jitter, Cycle-to-Cycle1
tcyc-cyc3
VT = 1.5 V 100, 133 MHz
166 MHz
1Guaranteed by design, not 100% tested in production.
MIN TYP MAX UNITS
10
20
Ω
10
20
Ω
2.4
V
0.4
V
-42 mA
33
mA
0.8 1.5 ns
0.6 1.5 ns
45
50
55
%
150 250
ps
280 350
0376E—12/23/02
13
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