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ICS9248-73 Datasheet, PDF (9/15 Pages) Integrated Circuit Systems – Frequency Timing Generator for Pentium II Systems
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ICS9248 - 73
Electrical Characteristics - 48MHz/FS3; REF0
TA = 0 - 70º C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%; CL = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output High Voltage
VOH5 IOH = -12 mA
2.4 3.1
Output Low Voltage
VOL5 IOL = 10 mA
0.19
Output High Current
IOH5
VOH = 2.0 V
-55
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Duty Cycle1
Jitter, Cycle-to-cycle1
Jitter, Cycle-to-cycle1
IOL5
tr5
tf5
dt5
dt5
tjcyc-cyc5
tjcyc-cyc5
VOL = 0.8 V
VOL = 0.4 V, VOH = 2.4 V
VOH = 2.4 V, VOL = 0.4 V
VT = 1.5 V, 48MHz/FS3
VT = 1.5 V, REF
VT = 1.5 V, 48MHz/FS3
VT = 1.5 V, REF
25
42
1.1
1
45
51
45
52
190
310
1Guaranteed by design, not 100% tested in production.
MAX UNITS
V
0.4 V
-22 mA
mA
4
ns
4
ns
55 %
55 %
500 ps
1000 ps
Electrical Characteristics - 48MHz; 24_48MHz
TA = 0 - 70º C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%; CL = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output High Voltage
VOH5 IOH = -12 mA
2.4 2.9
Output Low Voltage
VOL5 IOL = 10 mA
0.35
Output High Current
IOH5 VOH = 2.0 V
-28
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Jitter, Cycle-to-cycle1
IOL5
tr5
tf5
dt5
tjcyc-cyc5
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
16
22
1.5 2.4
1.5 2.2
45
50
240
1Guaranteed by design, not 100% tested in production.
MAX UNITS
V
0.4 V
-20 mA
mA
4
ns
4
ns
55 %
500 ps
9
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