參數(shù)資料
型號: MB90F244
廠商: Fujitsu Limited
英文描述: Octal Edge-Triggered D-type Flip-Flops With Clock Enable 20-CFP -55 to 125
中文描述: 16位微控制器專有
文件頁數(shù): 29/67頁
文件大?。?/td> 1403K
代理商: MB90F244
29
MB90F244
5. AC Characteristics
(1)
Clock Timing
(V
CC
= 3.3 V
±
0.3 V, V
CC
5 = 5.0 V
±
0.5 V, AV
SS
= V
SS
= 0.0 V, T
A
= 0
°
C to +70
°
C)
Parameter
Symbol
Pin name
Condition
Value
Unit
Remarks
Min.
1/F
C
Max.
50
40
Clock frequency
F
C
F
C
t
C
P
WH
,
P
WL
t
CR
,
t
CF
X0, X1
X0, X1
X0, X1
V
CC
= 3.15 V to 3.6 V
V
CC
= 3.3 V
±
0.3 V
MHz
MHz
ns
Clock cycle time
Input clock pulse width
X0
10
ns
Input clock
rising/falling time
X0
8
ns
Clock timing
Relationship between clock frequency and power supply voltage
t
C
0.7 V
CC
P
WL
P
WH
t
CR
t
CF
0.3 V
CC
3.6
P
C
Operation assurunce range
(T
A
= –0
°
C to +70
°
C)
3.15
3.0
40
50
Source oscillation clock F
C
(MHz)
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