參數(shù)資料
型號： MB90F428GBPFV
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, LQFP-100
文件頁數(shù)： 70/85頁
文件大?。?/td> 930K
代理商： MB90F428GBPFV
MB90420G/425G Series
72
(3) Power-on reset, power on conditions
(VSS
= 0.0 V, TA = 40 °C to +105 °C)
Parameter
Symbol
Pin
name
Conditions
Value
Unit
Remarks
Min
Max
Power supply rise time
tR
VCC
0.05
30
ms
Power supply start voltage
VOFF
0.2
V
Power supply attained voltage
VON
2.7
V
Power supply cutoff time
tOFF
50
ms
For repeat operation
VCC
0 V
VCC
VSS
5.0 V
tR
tOFF
2.7 V
0.2 V
Extreme variations in voltage supply may activate a power-on reset.
As the illustration below shows, when varying supply voltage during operation the use of a smooth
voltage rise with suppressed fluctuation is recommended. Also in this situation, the PLL clock on the
device should not be used, however it is permissible to use the PLL clock during a voltage drop of
1V/s or less.
3.0 V
RAM data hold
A rise slope of 50 mV or
less is recommended
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