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MC14490DWR2G
Six-way Debounce Eliminator
Varenummer
MC14490DWR2G
Kategori
Logic Devices > Special Logic ICs
Producent/Mærke
onsemi (Ansemi)
Indkapsling
SOIC-16-300mil
Pakning
-
Antal pakker
1000
Beskrivelse
The MC14490 is built using complementary MOS enhancement mode devices to eliminate excessive level changes when interfacing with mechanical contacts. The digital contact bounce eliminator circuit takes an input signal from a bounce contact and generates a clear digital signal four clock periods after the input is stable. The bounce eliminator circuit will remove bounce on the "closed" and "open" contact housings. The running clock of the MC14490 is derived from an internal R-C oscillator that requires only one external capacitor to adjust for the desired running frequency (bounce delay). The clock can also be driven from an external clock source or from another MC14490's oscillator (see Figure 5). Note: Immediately after power-up, the output of the MC14490 goes into an indeterminate state.
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