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| ICS9248-192 Datasheet, PDF (10/12 Pages) Integrated Circuit Systems – Frequency Timing Generator for Transmeta Systems | |||
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ICS9248-192
Electrical Characteristics - CPUCLK
TA = 0 - 70°C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output High Voltage VOH2B IOH = -12.0 mA
1.8
V
Output Low Voltage VOL2B IOL = 12 mA
0.4 V
Output High Current IOH2B VOH = 1.7 V
-27 mA
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter
IOL2B
tr2B1
tf2B1
dt2B1
ts
1
k2B
tjcyc
-c
1
yc2B
tjabs2B1
VOL = 0.7 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
VT = 1.25 V
27
mA
0.4
1.6 ns
0.4
1.6 ns
44
55 %
175 ps
250 ps
-250
+250 ps
1Guaranteed by design, not 100% tested in production.
Electrical Characteristics - REF
TA = 0 - 70°C; VDD = 3.3 V , VDDL = 2.5V, +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN TYP
Output High Voltage VOH5 IOH = -12 mA
2.6
Output Low Voltage VOL5 IOL = 9 mA
Output High Current
IOH5
VOH = 2.0 V
Output Low Current
IOL5
VOL = 0.8 V
16
Rise Time1
tr5
VOL = 0.4 V, VOH = 2.4 V
Fall Time1
tf5
VOH = 2.4 V, VOL = 0.4 V
Duty Cycle1
dt5
VT = 1.5 V
45
Jitter1
tjcyc-cyc5 VT = 1.5 V, REF
tjabs5 VT = 1.5 V, REF
Jitter1
tjcyc-cyc5 VT = 1.5 V, 48 MHz
tjabs5 VT = 1.5 V, 48 MHz
MAX UNITS
V
0.4 V
-22 mA
mA
4
ns
4
ns
55 %
1000 ps
800 ps
500 ps
800 ps
0540Eâ08/20/03
10
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