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參數(shù)資料
| 型號： | MB89133AP |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-bit Proprietary Microcontroller |
| 中文描述： | 8-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PDIP48 |
| 封裝： | SHRINK, PLASTIC, DIP-48 |
| 文件頁數(shù)： | 14/59頁 |
| 文件大?。?/td> | 738K |
| 代理商： | MB89133AP |
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MB89130/130A Series
14
I
HANDLING DEVICES
1.
Preventing Latchup
Latchup may occur on CMOS ICs if voltage higher than V
CC
or lower than V
SS
is applied to input and output pins
other than medium- and high-voltage pins or if higher than the voltage which shows on “1. Absolute Maximum
Ratings” in “
I
Electrical Characteristics” is applied between V
CC
and V
SS
.
When latchup occurs, power supply current increases rapidly and might thermally damage elements. When
using, take great care not to exceed the absolute maximum ratings.
Also, take care to prevent the analog power supply (AV
CC
and AVR) and analog input from exceeding the digital
power supply (V
CC
) when the analog system power supply is turned on and off.
Treatment of Unused Input Pins
2.
Leaving unused input pins open could cause malfunctions. They should be connected to a pull-up or pull-down
resistor.
Treatment of Power Supply Pins on Microcontrollers with A/D Converter
Connect to be AV
CC
=
V
CC
and AV
SS
=
AVR
=
V
SS
even if the A/D converter are not in use.
Treatment of N.C. Pins
3.
4.
Be sure to leave (internally connected) N.C. pins open.
Power Supply Voltage Fluctuations
5.
Although operation is assured within the rated range of V
CC
power supply voltage, a rapid fluctuation of the
voltage could cause malfunctions, even if it occurs within the rated range. Stabilizing voltage supplied to the IC
is therefore important. As stabilization guidelines, it is recommended to control power so that V
CC
ripple fluctu-
ations (P-P value) will be less than 10
%
of the standard V
CC
value at the commercial frequency (50 to 60 Hz)
and the transient fluctuation rate will be less than 0.1 V/ms at the time of a momentary fluctuation such as when
power is switched.
Precautions when Using an External Clock
6.
When an external clock is used, oscillation stabilization time is required even for power-on reset (optional) and
wake-up from stop mode.
Turning on the supply voltage (only for the MB89P135A)
7.
Power on sharply up to the option enabling voltage (2 V) within 13 clock cycles after starting of oscillation.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB89133APFM | 8-bit Proprietary Microcontroller |
| MB89135 | 8-bit Proprietary Microcontroller |
| MB89135APFM | 8-bit Proprietary Microcontroller |
| MB89P135 | 8-bit Proprietary Microcontroller |
| MB89140 | 8-bit Proprietary Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB89133APFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89135 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89135A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89135APFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89140 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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