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16x1 Multiplexer using 4x1 4.4. 16 x 1 Multiplexer Using Pass Transistor: Pass Transistor Logic (PTL) describes several logic families used in the design of integrated circuits. (Fig.7)It reduces the count of transistors used to make different logic gates, by eliminating redundant transistors. Transistors are used as switches to pass logic levels between nodes of a circuit, instead of as switches connected directly to supply voltages. This reduces the number of active devices, but has the disadvantage that the difference of the voltage between high and low logic levels decreases at each stage. 

16x1 Multiplexer using 4x1 4.4. 16 x 1 Multiplexer Using Pass Transistor: Pass Transistor Logic (PTL) describes several logic families used in the design of integrated circuits. (Fig.7)It reduces the count of transistors used to make different logic gates, by eliminating redundant transistors. Transistors are used as switches to pass logic levels between nodes of a circuit, instead of as switches connected directly to supply voltages. This reduces the number of active devices, but has the disadvantage that the difference of the voltage between high and low logic levels decreases at each stage. 

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Field Programmable Gate Arrays (FPGA's) are consider as power hungry device and not preferred as portable devices due to this disadvantage, hence the power reduction on Logic Element will make FPGA suitable for portable devices. Recently many techniques have been proposed for power reduction in conventional Logic Element (LE's) in reconfigurable co...

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... 16x1 Multiplexer using 4x1 (Fig.6) consists of five 4x1 Multiplexer. ...

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