UPD720112 データシートの表示（PDF） - NEC => Renesas Technology
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UPD720112 Datasheet PDF : 32 Pages
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µPD720112
System Clock Ratings
Parameter
Clock frequency
Clock Duty cycle
Symbol
fCLK
Condition
X’tal
Oscillator block
tDUTY
MIN.
−500
ppm
−500
ppm
40
TYP.
30
30
50
MAX.
+500
ppm
+500
ppm
60
Unit
MHz
MHz
%
Remarks 1. Recommended accuracy of clock frequency is ± 100 ppm.
2. Required accuracy of X’tal or oscillator block is including initial frequency accuracy, the spread of
X’tal capacitor loading, supply voltage, temperature, and aging, etc.
AC Characteristics (VDD = 3.14 to 3.46 V, TA = 0 to +70°C)
System Reset Timing
Parameter
Reset active time (Figure 2-6)
Symbol
trst
Conditions
Figure 2-6. System Reset Timing
trst
MIN. MAX.
Unit
5
µs
SYSRSTB
16
Data Sheet S16616EJ2V0DS
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