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#Decoder_Circuit | #Combinational Circuit | বাংলা | By ‪@aspirants-wingstoyourdream8067‬ || By Mr. Soumit Ghosh

Decoder is a combinational circuit that has ‘n’ input lines and maximum of 2n output lines. One of these outputs will be active High based on the combination of inputs present, when the decoder is enabled. That means decoder detects a particular code. The outputs of the decoder are nothing but the min terms of ‘n’ input variables lines, when it is enabled.

3 to 8 Decoder
In this section, let us implement 3 to 8 decoder using 2 to 4 decoders. We know that 2 to 4 Decoder has two inputs, A1 & A0 and four outputs, Y3 to Y0. Whereas, 3 to 8 Decoder has three inputs A2, A1 & A0 and eight outputs, Y7 to Y0.

4 to 16 Decoder
In this section, let us implement 4 to 16 decoder using 3 to 8 decoders. We know that 3 to 8 Decoder has three inputs A2, A1 & A0 and eight outputs, Y7 to Y0. Whereas, 4 to 16 Decoder has four inputs A3, A2, A1 & A0 and sixteen outputs, Y15 to Y0

#Decoder #2x4_Decoder #3x8_Decoder