參數(shù)資料
型號： MB90980
廠商： Fujitsu Limited
英文描述： 16-bit Proprietary Microcontroller
中文描述： 16位微控制器專有
文件頁數(shù)： 34/48頁
文件大?。?/td> 321K
代理商： MB90980
MB90980 Series
34
(3) Power-on Reset Standards
(V
CC
=
2.7 V to 3.6 V, V
SS
=
0.0 V, T
A
=
40
°
C to
+
85
°
C)
Value
Unit
Min
Max
30
ms
1
ms
* : Power rise time requires V
CC
<
0.2 V.
Notes:
The above standards are for the application of a power-on reset.
Within the device, the power-on reset should be applied by switching the power supply off and on again.
Parameter
Symbol
Pin name
Conditions
Remarks
Power rise time
t
R
V
CC
*
Power down time
t
OFF
V
CC
In repeated operation
V
CC
V
CC
V
SS
t
R
t
OFF
2.7 V
0.2 V
0.2 V
0.2 V
Rapid fluctuations in power supply voltage may trigger a power-on reset in some
cases. As shown below, when changing supply voltage during operation, it is
recommended that voltage changes be suppressed and a smooth restart be applied.
The slope of voltage increase
should be kept within 50 mV/ms.
RAM data maintenance
Main power supply voltage
Sub power supply voltage
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