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參數(shù)資料
| 型號： | MB90F823PFV |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 10-Bit Buffers/Drivers With 3-State Outputs 28-LCCC -55 to 125 |
| 中文描述： | 16位微控制器專有 |
| 文件頁數(shù)： | 85/98頁 |
| 文件大?。?/td> | 1415K |
| 代理商： | MB90F823PFV |
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MB90820 Series
85
(3) Power-on Reset
(V
CC
=
5.0 V
±
10
%
, V
SS
=
AV
SS
=
0.0 V, T
A
=
40
°
C to
+
85
°
C)
Value
Notes :
V
CC
must be kept lower than 0.2 V before power-on.
The above values are used for causing a power-on reset.
Some registers in the device are initialized only upon a power-on reset. To initialize these registers, turn
the power supply using the above values.
Parameter
Symbol Pin name Condition
Unit
Remarks
Min
Max
Power supply rising time
t
R
V
CC
0.05
30
ms
Power supply cut-off time
t
OFF
V
CC
1
ms
Due to repeated
operations
V
CC
V
CC
3.0 V
V
SS
t
R
t
OFF
2.7 V
0.2 V
0.2 V
0.2 V
Sudden changes in the power supply voltage may cause a power-on reset.
To change the power supply voltage while the device is in operation, it is recommended
to raise the voltage smoothly to suppress fluctuations as shown below.
In this case, change the supply voltage with the PLL clock not used. If the voltage drop
is 1 V/s, however, you can use the PLL clock.
It is recommended to keep the
rising speed of the supply voltage
at 50 mV/ms or slower.
RAM data hold
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