88C46L-AF5-R datasheet(8/16 Pages) UTC

tên linh kiện	88C46L-AF5-R

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88CXX

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

www.unisonic.com.tw

QW-R502-040,A

+VDET

VDD

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

Vss

OUT

Figure 5

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