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FM1233E Folha de dados(PDF) 5 Page - Fairchild Semiconductor |
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FM1233E Folha de dados(HTML) 5 Page - Fairchild Semiconductor |
5 / 7 page 5 www.fairchildsemi.com FM1233E Rev. D General Description The FM1233E features a highly accurate voltage reference to which VCC is compared. Once VCC is below the specified threshold, it will drive the RESET line and continue to hold it low until VCC returns above the threshold and the time for the RESET pulse duration has expired. The FM1233E is immune to short negative going transients on the VCC line. The placement of a 0.1µF bypass capacitor as close as possible to the VCC pin provides additional transient immunity. For a VCC value below 1.0V, the FM1233E does not sink very much current on the RESET pin. This is not a problem in most systems since common devices are not functional in this range. If it is desired for the FM1233E reset to be functional below this range, use a 100K Ω pull-down resistor between RESET and VSS. |
Nº de peça semelhante - FM1233E |
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Descrição semelhante - FM1233E |
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