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88C45L-AF5-R Datasheet(PDF) 8 Page - Unisonic Technologies |
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88C45L-AF5-R Datasheet(HTML) 8 Page - Unisonic Technologies |
8 / 16 page 88CXX CMOS IC UNISONICTECHNOLOGIESCO.,LTD 8 www.unisonic.com.tw QW-R502-040,A V +VDET VDD td OUT Figure 3 5. Through-type current Through-type current refers to the current which flows instantaneously, at the time of detection and release of a voltage detector. Through-type current is large in CMOS output devices. 6. Oscillation In applications where a resistor is connected to the voltage detector input , in the CMOS active low products for example, the through-type current generated when the output goes from low to high (release) causes a voltage drop equal to [through-type current]×[input resistance] across the resistor. When the resultant input voltage drops below the detection voltage -VDET, the output voltage returns to its low level. In this state, the through-type current and its resultant voltage drop have disappeared, and the output goes back from low to high. A through-type current is again generated, a voltage drop appears, and the process repeats. This unstable condition is referred to as oscillation. STANDARD CIRCUIT Connect directly the CD capacitor for delay between CD and Vss terminals VDD CD Vss OUT Figure 5 |
Similar Part No. - 88C45L-AF5-R |
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Similar Description - 88C45L-AF5-R |
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