參數(shù)資料
型號: MB90F574
廠商: Fujitsu Limited
英文描述: Octal Bus Transceivers And Registers 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): 85/135頁
文件大?。?/td> 2504K
代理商: MB90F574
85
MB90570 Series
(2) Specification for Power-on Reset
(AV
SS
= V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
Value
Unit
Min.
Max.
0.05
30
ms
* :V
CC
must be kept lower than 0.2 V before power-on.
Notes: The above ratings are values for causing a power-on reset.
There are internal registers which can be initialized only by a power-on reset.
Apply power according to this rating to ensure initialization of the registers.
Parameter
Symbol
Pin name Condition
Remarks
Power supply rising time
t
R
V
CC
*
Due to repeated
operations
Power supply cut-off time
t
OFF
V
CC
4
ms
V
CC
t
OFF
0.2 V
2.7 V
0.2 V
0.2 V
t
R
V
SS
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 mV or fewer per
second, however, you can use the PLL clock.
V
CC
3.0 V
It is recommended to keep the rising
speed of the supply voltage at 50 mV/ms
or slower.
相關PDF資料
PDF描述
MB90V570 16-bit Proprietary Microcontroller
MB90V570A 16-bit Proprietary Microcontroller
MB90F574APFF 16-bit Proprietary Microcontroller
MB90F574APFV 16-bit Proprietary Microcontroller
MB90F574A Octal Bus Transceivers And Registers With 3-State Outputs 24-CFP -55 to 125
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