Document Number: 002-04721 Rev.*A
Page 44 of 74
MB966B0 Series
14.4 AC Characteristics
14.4.1 Main Clock Input Characteristics
(V
CC
= AV
CC
= 2.7V to 5.5V, VD=1.8V±0.15V, V
SS
= AV
SS
= 0V, T
A
= - 40°C to + 125°C)
Parameter
Symbol
Pin name
Value
Unit
Remarks
Min
Typ
Max
Input frequency
f
C
X0,
X1
4
-
8
MHz
When using a crystal
oscillator, PLL off
-
-
8
MHz
When using an opposite
phase external
clock, PLL off
4
-
8
MHz
When using a crystal
oscillator or opposite
phase external clock, PLL
on
Input frequency
f
FCI
X0
-
-
8
MHz
When using a single phase
external
clock in “Fast Clock
Input mode”, PLL off
4
-
8
MHz
When using a single phase
external
clock in “Fast Clock
Input mode”, PLL on
Input clock cycle
t
CYLH
-
125
-
-
ns
Input clock pulse width
P
WH
,
P
WL
-
55
-
-
ns