DS75451 Datasheet, PDF (12/14 Pages) National Semiconductor (TI) – Series Dual Peripheral Drivers

Typical Applications (Continued)
FIGURE 21. Logic Signal Comparator
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*If inputs are unused, they should be connected to +5V through a 1k resistor.
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Low output occurs only when inputs are low simultaneously.
FIGURE 22. In-Phase Detector
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