參數(shù)資料
型號: MB89140
廠商: Fujitsu Limited
元件分類: 8位微控制器
英文描述: 8-bit Proprietary Microcontroller
中文描述: 8位微控制器專有
文件頁數(shù): 30/50頁
文件大?。?/td> 745K
代理商: MB89140
30
MB89140 Series
4. AC Characteristics
(1) Reset Timing
(AV
CC
= V
CC
= 5.0 V, AV
SS
= V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
Value
Min.
Typ.
16 t
XCYL
30
50
Note: T
XCYL
is the oscillation cycle (1/F
CH
) to input to the X0 pin.
(2) Power-on Reset
(AV
SS
= V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
Note: Make sure that power supply rises within the selected oscillation stabilization time.
If power supply voltage needs to be varied in the course of operation, a smooth voltage rise is recommended.
Parameter
Symbol
Condition
Unit
Remarks
Max.
80
RST “L” pulse width
RST noise limit width
t
ZLZH
t
ZLNC
ns
ns
Parameter
Symbol
Condition
Value
Unit
Remarks
Min.
Max.
Power supply rising time
t
R
50
ms
Power-on reset function only
Power supply cut-off time
t
OFF
1
ms
Due to repeated operations
0.2 V
CC
0.2 V
CC
RST
t
ZLNC
t
ZLZH
0.2 V
0.2 V
2.0 V
0.2 V
t
R
V
CC
t
OFF
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