puorG92/C61M
22. Usage Notes
page 422
854fo7002,03.raM21.1.veR
2110-1010B90JER
10
Typ.
Max.
Unit
Parameter
f
(ripple)
Power supply ripple allowable frequency(V
CC
)
Symbol
Min.
Standard
kHz
Power supply ripple allowabled amplitude
voltage
Power supply ripple rising/falling gradient
(V
CC
=5V)
(V
CC
=3V)
(V
CC
=5V)
(V
CC
=3V)
V
p-p(ripple)
V
CC(|DV/DT|)
0.5
0.3
0.3
0.3
V
V/ms
V/ms
V
V
p-p(ripple)
f
(ripple)
V
CC
f
(ripple)
Power supply ripple allowable frequency
(V
CC
)
V
p-p(ripple)
Power supply ripple allowable amplitude
voltage
22.2 Clock Generation Circuit
22.2.1 PLL Frequency Synthesizer
Stabilize supply voltage so that the standard of the power supply ripple is met.
Figure 22.1 Voltage Fluctuation Timing
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