參數(shù)資料
型號: MB90423GPF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 66/99頁
文件大?。?/td> 1714K
代理商: MB90423GPF
MB90420G/5G (A) Series
69
(2) Reset input
(VCC
= 5.0 V±10%, VSS = AVSS = 0.0 V, TA = 40 °C to +105 °C)
(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.
Reset input time
tRSTL
RST
16 tCP
ns
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
RST
0.6 VCC
tRSTL
0.6 VCC
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
1mV/s or less.
4.5 (V) 420G/425G series
3.0 (V) 420GA/425GA series
RAM data hold
A rise slope of 50 mV or
less is recommended
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