UPD720100A データシートの表示（PDF） - NEC => Renesas Technology
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UPD720100A Datasheet PDF : 32 Pages
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µPD720100A
System Clock Ratings
Parameter
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Clock frequency
fCLK
X’tal
−500
30
+500
MHz
ppm
ppm
Oscillator block
−500
48
+500
MHz
ppm
ppm
Clock Duty cycle
tDUTY
40
50
60
%
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.
18
Data Sheet S15535EJ2V0DS
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