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參數資料
| 型號： | MB89951PFM |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 0.65 MM PITCH, QFP-64 |
| 文件頁數： | 19/110頁 |
| 文件大?。?/td> | 619K |
| 代理商： | MB89951PFM |
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GENERAL
1– 12
1.6
Handling Devices
(1) Preventing latch-up
Latchup may occur on CMOS ICs if voltage higher than VCC or lower than VSS is applied to input and output
pins other than medium to high-voltage pins or if higher than the voltage which shows on Absolute Maximum
Ratings is applied between VCC and VSS.
When latch-up occurs, supply current increases rapidly and might thermally damage elements. When using,
take great care not to exceed the absolute maximum ratings.
(2) Treatment of Unused Input Pins
Leaving unused input pins open could cause malfunctions. They should be connected to pull-up or pull-
down resistor.
(3) Power Supply Voltage Fluctuations
Although VCC power supply voltage is assured to operate within the rated, a rapid change to the IC is therefore
cause malfunctions, even if it occurs within the rated range. Stabilizing voltage supplied of the IC is therefore
important. As stabilization guidelines, it is recommended to control power so that VCC ripple fluctuations
(P-P. value) will be less that 10% of the standard VCC 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.
(4) Precaution When Using an External Clock
Even when an external clock is used, oscillation stabilization time is required for power-on reset (option
selection) and release from stop mode.
(5) Recommended Screening Conditions
The OTPROM product should be screened by high-temperature aging before mounting.
The programming test cannot be performed for all bits of the preprogrammed OTPROM product due to its
characteristics. Consequently, 100% programming yielding cannot be ensured.
Verify program
High-temperature aging (150
°C, 48H)
Read
Mount
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| MB8995X | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89960 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89965 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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