參數(shù)資料
型號(hào)： MB89F202
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(yè)數(shù)： 27/44頁(yè)
文件大?。?/td> 427K
代理商： MB89F202
MB89202 Series
27
4.
AC Characteristics
(1) Reset Timing
(V
SS
=
0.0 V, Ta
=
40
°
C to
+
85
°
C)
Value
Unit
Max
ns
48 t
HCYL
*
* : t
HCYL
1 oscillating clock cycle time
Notes:
When the power-on reset option is not on, leave the external reset on until oscillation becomes stable.
If the reset pulse applied to the external reset pin (RST) does not meet the specifications, it may cause
malfunctions. Use caution so that the reset pulse less than the specifications will not be fed to the external
reset pin (RST).
(2) Power-on Reset
(V
SS
=
0.0 V, Ta
=
40
°
C to
+
85
°
C)
Note : The supply voltage must be set to the minimum value required for operation within the prescribed default
oscillation settling time.
Parameter
Symbol
Condition
Remarks
Min
RST “L” pulse width
t
ZLZH
45
Internal reset pulse extension
t
irst
ns
Parameter
Symbol
Condition
Value
Unit
Remarks
Min
1
Max
Power supply rising time
t
R
50
ms
Power supply cut-off time
t
OFF
ms
Due to repeated operations
RST
0.2 V
CC
0.2 V
CC
t
ZLZH
0.8 V
CC
t
irst
Internal
reset
signal
V
CC
t
R
3.5 V
0.2 V
0.2 V
0.2 V
t
OFF
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