vault backup: 2025-03-03 10:11:16
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# Latches
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# Latches
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## SR Latch
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## SR Latch
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SR
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SR stands for *Set*/*Reset*, and functions like so:
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- When a signal comes into $S$, $Q_a$ is **set** on and stays on until a signal comes into $R$, at which point $S$
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Truth table:
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Truth table:
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| $S$ | $R$ | $Q_a$ | $Q_b$ |
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| $S$ | $R$ | $Q_a$ | $Q_b$ |
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