Combinational Functional Devices - Digital Logic Design - Lecture Slides, Slides of Digital Logic Design and Programming

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Lecture No. 18

Combinational Functional Devices

Recap

 Decoder

 3-to-8 Decoder

 Cascading of Decoders 4-to-16 decoder

 Implementing SOP & POS functions

 BCD to 7 Segment Decoder

 MSI BCD to 7 Segment Decoder

 BCD to Decimal Decoder

Multiplexer

 2-Input 4-bit Mux (tab 1 fig 1)

 Expanding Mux

 8-input Mux 74X153 (tab 2 fig 2)

 16-input Mux 74X153 (tab 3 fig 3)

 2-input 8-bit Mux (fig 4)

MUX Applications

 Data Routing

 2-Digit Decimal Display circuit (fig 5)

 Common Cathode/Anode Displays (fig 6)

 2-Digit Mux based Display circuit (fig 7)

 Parallel to Serial (fig 8)

 Function Generators (fig 9)

 Operation Sequencing (fig 10)