參數(shù)資料
型號(hào): MB90428GA
廠商: Fujitsu Limited
英文描述: 16-Bit Original Microcontroller
中文描述: 16位微控制器原件
文件頁(yè)數(shù): 69/99頁(yè)
文件大小: 1706K
代理商: MB90428GA
MB90420G/5G (A) Series
69
(2) Reset input
(V
CC
=
5.0 V
±
10
%
, V
SS
=
AV
SS
=
0.0 V, T
A
=
40
°
C to
+
105
°
C)
Value
(3) Power-on reset, power on conditions
(V
SS
=
0.0 V, T
A
=
40
°
C to
+
105
°
C)
Parameter
Symbol
Pin name
Conditions
Unit
Remarks
Min.
Max.
Reset input time
t
RSTL
RST
16 t
CP
ns
Parameter
Symbol
Pin
name
Conditions
Value
Unit
Remarks
Min.
Max.
Power supply rise time
t
R
V
CC
0.05
2.7
30
ms
Power supply start voltage
V
OFF
0.2
V
Power supply attained voltage
V
ON
V
Power supply cutoff time
t
OFF
50
ms
For repeat operation
RST
0.6 V
CC
t
RSTL
0.6 V
CC
V
CC
0 V
V
CC
V
SS
5.0 V
t
R
t
OFF
2.7 V
0.2 V
0.2 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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