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ICS9248-185 Datasheet, PDF (4/11 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for PENTIUM/ProTM & K6
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ICS9248 - 185
Electrical Characteristics - CPU
TA = 0 - 70C; VDD = 3.3 V +/-5%; CL = 20 pF
PARAMETER
SYMBOL
CONDITIONS
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Skew window1
Jitter, Cycle-to-cycle1
Jitter, Cycle-to-cycle1
VOH2A
VOL2A
IOH2A
IOL2A
tr2A
tf2A
dt2A
tsk2A
tjcyc-cyc2A
tjcyc-cyc2A
IOH = -20 mA
IOL = 12 mA
VOH = 2.0 V
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 Dram not running, CPU=66.6MHz
VT = 1.5 V Dram running
1Guaranteed by design, not 100% tested in production.
MIN
2.4
22
45
TYP MAX UNITS
2.85
V
0.31 0.4
V
-45 -27 mA
29
mA
0.9 1.6 ns
1
1.6 ns
50
55
%
35 175 ps
123 150 ps
119 250 ps
Electrical Characteristics - CPU
TA = 0 - 70C; VDDL= 2.5V, +/-5%; CL = 20 pF
PARAMETER
SYMBOL
CONDITIONS
Output High Voltage
Output Low Voltage
Output High Current
VOH2A
VOL2A
IOH2A
IOH = -20 mA
IOL = 12 mA
VOH = 2.0 V
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Skew window1
Jitter, Cycle-to-cycle1
Jitter, Cycle-to-cycle1
IOL2A
tr2A
tf2A
dt2A
tsk2A
tjcyc-cyc2A
tjcyc-cyc2A
VOL = 0.8 V
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 Dram not running
VT = 1.25 V Dram running
1Guaranteed by design, not 100% tested in production.
MIN TYP MAX UNITS
2
2.3
V
0.31 0.4 V
-39 -21 mA
22
26
mA
0.96 1.6 ns
1.06 1.6 ns
45 50.3 55
%
35 175 ps
123 150 ps
119 250 ps
4
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