MB90560/565 Series
4. AC Characteristics
(1) Clock Timings
(MB90567/568/F568 : TA = −40 °C to +85 °C, VCC = 2.7 V to 3.6 V, VSS = AVSS = 0.0 V)
(MB90V560 : TA = +25 °C, VCC = 2.7 V to 3.6 V, VSS = AVSS = 0.0 V)
Value
Sym
bol
Condi-
tion
Parameter
Pin Name
Unit
Remarks
Min.
Typ.
Max.
3
12
MHz MB90V560
Clock frequency
fC
X0, X1
MB90567/568
MHz
3
16
MB90F568
83.3
62.5
333
333
ns MB90V560
Clock cycle time
tHCYL
X0, X1
MB90567/568
ns
MB90F568
PWH
PWL
Recommended duty
ratio = 30% to 70%
Input clock pulse width
Input clock rise/fall time
X0
X0
10
ns
ns
tcr
tcf
When using an
external clock
5
1.5
1.5
12
MHz MB90V560
Internal operating clock
frequency
fCP
MB90567/568
MHz
16
MB90F568
83.3
62.5
666
666
ns MB90V560
Internal operating clock
cycle time
tCP
MB90567/568
ns
MB90F568
• X0 and X1 clock timing
tHCYL
0.8 VCC
0.2 VCC
X0
PWH
PWL
tcr
tcf
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