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Editing multiplexer
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− | ====CMOS==== | + | ====CMOS====(Complementary Metal Oxide Semiconductor) |
A very fast and compact, [[CMOS]]-based [[pass-transistor logic|PTL logic]], 2:1 MUX device can be built using two [[transmission gate]]s as shown below. The top transmission gate controls if the input from ''A'' should pass to the output while the bottom transmission gate does the same for the ''B'' input. A single [[inverter]] is used to invert the selection line value to one of the gates so that only one of them (e.i. input A or input B) is allowed to pass. While smaller overall, this multiplexer is also [[nonrestoring]]. | A very fast and compact, [[CMOS]]-based [[pass-transistor logic|PTL logic]], 2:1 MUX device can be built using two [[transmission gate]]s as shown below. The top transmission gate controls if the input from ''A'' should pass to the output while the bottom transmission gate does the same for the ''B'' input. A single [[inverter]] is used to invert the selection line value to one of the gates so that only one of them (e.i. input A or input B) is allowed to pass. While smaller overall, this multiplexer is also [[nonrestoring]]. | ||