參數(shù)資料
型號: MB89558A
廠商: Fujitsu Limited
元件分類: 8位微控制器
英文描述: 8-bit Proprietary Microcontroller
中文描述: 8位微控制器專有
文件頁數(shù): 33/51頁
文件大小: 654K
代理商: MB89558A
MB89550A Series
33
4.
AC Characteristics
(1) Reset Timing
(DVR
=
V
CC1
=
3 V, AVss
=
Vss
=
0 V, T
A
=
40
°
C to
+
85
°
C)
Rating
Note : t
HCLY
is the main clock oscillator period.
(2) Power-on Reset
(AVss
=
Vss
=
0 V, T
A
=
40
°
C to
+
85
°
C)
Note : Be sure that the power supply rise time is less than the selected oscillator stabilization period. Also, when
varying the supply voltage during operation, it is recommended that the supply voltage be increased gradually.
Parameter
Symbol
Confition
Unit
Remarks
Min
Max
RST “L” pulse width
t
ZLZH
48 t
HCLY
ns
Parameter
Symbol
Confition
Rating
Unit
Remarks
Min
Max
Power supply rise time
t
R
0.05
50
ms
Power supply cutoff time
t
OFF
1
ms
For repeated operation
RST
0.2 V
CC
0.2 V
CC
t
ZLZH
V
CC1,
V
CC2
t
R
1.8 V
0.2 V
0.2 V
0.2 V
t
OFF
On the MB89PV550A and MB89548A oscillation begins and the power-on reset is applied on the rise
of the V
CC2
.On the MB89558A and MB89557A, oscillation begins and the power-on reset is applied on
the rise of the V
CC1
.
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