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The decoders are widely used in the logical circuits, data transfer circuits and analog to digital conversions. A mixed logic design methods for the line decoders are used to combining the transmission gate logic, pass transistor logic, and complementary metal-oxide semiconductor (CMOS) technology provides desired operation and performance. A novel topology is presented for the 2 to 4 decoder requires a fourteen transistor topology aiming on reducing the transistor count and operating power and a fifteen transistor topology aiming on high power and low delay performance. The standard and inverting decoders are designed in each of the case, gives a total of four new designs circuits. All the proposed decoders have compact transistor count compared to their conservative CMOS technologies. Finally, a variety of proposed designs present a noteworthy improvement in operating power and propagation delay, outperforming CMOS in almost all the cases.