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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M38B53M4-059FP датащи(PDF) 238 Page - Mitsubishi Electric Semiconductor |
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M38B53M4-059FP датащи(HTML) 238 Page - Mitsubishi Electric Semiconductor |
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238 / 355 page  2-150 38B5 Group User’s Manual APPLICATION 2.10 Reset circuit 2.10.2 Notes on use (1) Reset input voltage control Make sure that the reset input voltage is 0.5 V or less for Vcc of 2.7 V. Perform switch to the high-speed mode when power source voltage is within 4.0 to 5.5 V. (2) Countermeasure when RESET signal rise time is long In case where the RESET signal rise time is long, connect a ceramic capacitor or others across the RESET pin and the VSS pin. And use a 1000 pF or more capacitor for high frequency use. When connecting the capacitor, note the following : • Make the length of the wiring which is connected to a capacitor as short as possible. • Be sure to verify the operation of application products on the user side. q Reason If the several nanosecond or several ten nanosecond impulse noise enters the RESET pin, it may cause a microcomputer failure. |
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