COA: Primary Memory – Architecture of ROM (Part 2)
Topics discussed:
1) Revisiting the construction of Decoder from DeMux.
2) Understanding the usefulness of Enable Input.
3) Determining a Boolean function from a given Combinational Circuit.
4) Expansion of Decoder:
a) Construction of 2 to 4 Decoder using 1 to 2 Decoders.
b) Construction of 3 to 8 Decoder using 1 to 2 Decoders.
c) Construction of 6 to 64 Decoder using 3 to 8 Decoders.
d) Construction of m to 2m Decoder using n to 2n Decoders.
e) Construction of 7 to 128 Decoder using 3 to 8 Decoders.

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