Fan-in
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An AND gate with three inputs has a fan-in of 3.
Fan-in is the number of inputs of an electronic logic gate. For instance the fan-in for the AND gate shown below is 3. Physical logic gates with a large fan-in tend to be slower than those with a small fan-in, because the complexity of the input circuitry increases the input capacitance of the device.
[edit] See also
- Fan-out, a related concept, which is the number of logic inputs that a given logic output drives.
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