Data Sheet S15535EJ3V0DS

18

µPD720100A

System Clock Ratings

Parameter

Symbol

Condition

MIN.

TYP.

MAX.

Unit

X’tal

−500

ppm

30

+500

ppm

MHz

Clock frequency

fCLK

Oscillator block

−500

ppm

48

+500

ppm

MHz

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.