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ICS9248-77 Datasheet, PDF (11/14 Pages) Integrated Circuit Systems – Frequency Timing Generator for PENTIUM II Systems
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ICS9248-77
Electrical Characteristics - 3V66
TA = 0 - 70º C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%; CL = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
Output High Voltage
VOH1 IOH = -11 mA
2.4
Output Low Voltage
VOL1 IOL = 9.4 mA
Output High Current
IOH1
VOH = 2.0 V
Output Low Current
IOL1
VOL = 0.8 V
16
Rise Time1
tr1
VOL = 0.4 V, VOH = 2.4 V
0.5
Fall Time1
tf1
VOH = 2.4 V, VOL = 0.4 V
0.5
Duty Cycle1
dt1
VT = 1.5 V
45
Skew1
Jitter, Cycle-to-cycle1
tsk1
Tjcyc-cyc1
VT = 1.5 V
VT = 1.5 V
Jitter, One Sigma1
tj1s1
VT = 1.5 V
Jitter, Absolute1
tjabs1
VT = 1.5 V
-500
1Guaranteed by design, not 100% tested in production.
TYP MAX UNITS
3.1
V
0.17 0.4 V
-51 -22 mA
41
mA
1.8
2
ns
1.6
2
ns
49
55
%
50 250 ps
299 500 ps
87 150 ps
235 500 ps
Electrical Characteristics - PCICLK
TA = 0 - 70º C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%; CL = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Skew1
Jitter, Cycle-to-cycle1
Jitter, One Sigma1
Jitter, Absolute1
VOH1
VOL1
IOH1
IOL1
tr1
tf1
dt1
tsk1
Tjcyc-cyc1
tj1s1
tjabs1
IOH = -11 mA
IOL = 9.4 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
VT = 1.5 V
VT = 1.5 V
2.4 3.1
0.16
-50
16
42
2
1.74
45
49
290
290
30
-250 121
1Guaranteed by design, not 100% tested in production.
MAX
0.4
-22
UNITS
V
V
mA
mA
2
ns
2
ns
55
%
500 ps
500 ps
150 ps
250 ps
11
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