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參數(shù)資料
| 型號(hào)： | MB89945PF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-bit Proprietary Microcontrolle |
| 中文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | PLASTIC, QFP-48 |
| 文件頁數(shù)： | 28/38頁 |
| 文件大?。?/td> | 197K |
| 代理商： | MB89945PF |
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MB89940 Series
28
”
4.
AC Characteristics
(1) Reset Timing
(AV
SS
= V
SS
= DV
SS
, T
A
= –40
°
C to +85
°
C)
t
HCYL
: One oscillation clock cycle time
Notes:
If power-on reset option is not activated, the external reset signal must be kept asserted until the oscillation
is stabilized.
If the reset pulse applied to the external reset pin (RST) does not meet the specifications, it may cause
malfunctions. Use caution so that the reset pulse less than the specifications will not be fed to the external
reset pin (RST).
(2) Power-on Profile
(AV
SS
= V
SS
= DV
SS
, T
A
= –40
°
C to +85
°
C)
Value
Unit
Max
t
HCYL
: One oscillation clock cycle time
Note: Power supply voltage should reach the minimum operation voltage within the specified default duration of the
oscillation stabilization time.
Parameter
Symbol
Condition
Value
Unit
Remarks
Min
Max
RST “L” pulse width
t
ZLZH
—
48 t
HCYL
—
ns
Parameter
Symbol
Condition
Remarks
Min
Power supply voltage rising time
t
R
—
—
50
ms
MB89PV940,
MB89P945
Power supply voltage rising time
t
R
—
—
2
19
t
HCYL
ns
MB89943,
MB89945
Power-off minimum period
t
OFF
—
1
—
ms
0.2
V
CC
0.8
V
CC
RST
t
ZLZH
0.2
V
0.2
V
3.5
V
0.2
V
t
R
V
CC
t
OFF
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB89943 | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 20-LCCC -55 to 125 |
| MB89943PF | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-CDIP -55 to 125 |
| MB8994x | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-CFP -55 to 125 |
| MB89PV940CF | 8-bit Proprietary Microcontroller |
| MB89P945PF | 8-bit Proprietary Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB8994X | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89951 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89951PFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89953 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89953PFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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