MB91F192PFF データシートの表示（PDF） - Fujitsu
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MB91F192PFF Datasheet PDF : 33 Pages
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MB91191/192 Series
4. AC Characteristics
(1) Clock Timings
Parameter
Symbol
(VDD = 3.0 V ± 0.3 V, VSS = AVSS = 0 V, TA = −20 °C to +70 °C)
Condition
Value
Min
Max
Unit Remarks
Clock frequency
fC
10
20
MHz
Clock cycle time
tC
50
100
ns
Frequency fluctuation* (PLL locked) ∆r
10
%
Input clock pulse width
PWH
PWL
20
ns
Input clock rise/fall time
tCR
tCF
8
ns
Internal operating clock CPU
fCP
5
frequency
Peripherals fCPP
When wait
10
controller set to
Internal operating clock CPU
tCP
1 wait cycle
50
cycle time
Peripherals tCPP
50
20
MHz
20
MHz
200
ns
100
ns
* : The frequency fluctuation value is the maximum percentage deviation from the preset center frequency when
using the multiplier (when PLL is locked) .
+
+α
|α|
∆f =
× 100 (%) Center frequency f0
f0
−α
−
tc
PWH
PWL
tcf
tcr
Guaranteed operation range
3.3
fcpp
2.7
fcp
10 M 20 M
Frequency (Hz)
19
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