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參數(shù)資料
| 型號： | MB89PV640CF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Automotive Catalog Power-Distribution Switch 8-SOIC -40 to 85 |
| 中文描述： | 8-BIT, 10 MHz, MICROCONTROLLER, CQFP80 |
| 封裝： | CERAMIC, MQFP-80 |
| 文件頁數(shù)： | 32/59頁 |
| 文件大小： | 774K |
| 代理商： | MB89PV640CF |
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32
MB89640 Series
4. AC Characteristics
(1) Reset Timing
(V
CC
= +5.0 V
±
10%, AV
SS
= V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
Value
* :t
XCYL
is the oscillation cycle (1/F
CH
) to input to the X0 pin.
(2) Power-on Reset
(AV
SS
= V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
Note: Make sure that power supply rises within the selected oscillation stabilization time.
For example, when the main clock is operating at 10 MHz (F
CH
) and the oscillation stabilization time select
option has been set to 2
14
/F
CH
, the oscillation stabilization delay time is 1.6 ms and accordingly the maximum
value of power supply rising time is about 1.6 ms.
Keep in mind that abrupt changes in power supply voltage may cause a power-on reset. If power supply
voltage needs to be varied in the course of operation, a smooth voltage rise is recommended.
Parameter
Symbol
Condition
Unit
Remarks
Min.
Max.
RST “L” pulse width
t
ZLZH
—
48 t
XCYL
—
ns
Parameter
Symbol
Condition
Value
Unit
Remarks
Min.
Max.
Power supply rising time
t
R
—
—
50
ms
Power supply cut-off time
t
OFF
1
—
ms
Due to repeated operation
0.2 V
CC
0.2 V
CC
RST
t
ZLZH
0.2 V
0.2 V
2.0 V
V
CC
0.2 V
t
R
t
OFF
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