16 lines
499 B
Markdown
16 lines
499 B
Markdown
- Output depends on input and past behavior
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- Requires use of storage elements
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# Latches
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## SR Latch
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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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| $S$ | $R$ | $Q_a$ | $Q_b$ |
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| --- | --- | ----- | ----- |
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| 0 | 0 | 0/1 | 1/0 |
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| 0 | 1 | 0 | 1 |
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| 1 | 0 | 1 | 0 |
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| 1 | 1 | 0 | 0 |
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![[Pasted image 20250303095542.png]] |