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)： 31/67頁
文件大?。?/td> 1403K
代理商： MB90F244
31
MB90F244
(4) Power-on Reset
(AV
SS
= V
SS
= 0.0 V, T
A
= 0
°
C to +70
°
C)
Value
Unit
Min.
Max.
* :Before the power supply rising, V
CC
must be lower than 0.2 V.
Note: The above standards are the values needed in order to activate a power-on reset.
Parameter
Symbol
Pin name
Condition
Remarks
Power supply rising time
t
R
V
CC
, V
CC
5
—
—
30
ms
*
Power supply cut-off time
t
OFF
V
CC
, V
CC
5
1
—
ms
t
R
V
CC
2.1 V
0.2 V
t
OFF
0.2 V
0.2 V
V
CC
3.3 V
3.0 V
V
SS
If power supply voltage needs to be changed in the course of operation, a smooth voltage rise is
recommended by suppressing the voltage variation as shown below.
It is recommended that the rate of
increase in the voltage be kept to
no more than 50 mV/ms.
Hold RAM data
相關(guān)PDF資料
PDF描述
MB90F244PFT-G Octal Edge-Triggered D-type Flip-Flops With Clock Enable 20-LCCC -55 to 125
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