전기전자기초실험 Combination Logic Circuit Design 예비보고서
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연세대학교 전기전자기초실험 8장 보고서(영문)
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목차
- Theory
『 Multiplexer and Demultiplexer 』
『 Decoder and Encoder 』
『 7-Segment Controller 』
- Pre-report
① Survey the following multiplexer
② Compare the difference between encoder and multiplexer
③ Compare the difference between decoder and demultiplexer
④ Compare the difference between decoder and encoder
⑤ Survey other types of decoder
⑥ Survey either 7446, 7447, 7448 elements
⑦ Express 7-segment controller using verilog HDL.
- Arragements
- Procedure
- Reference
본문내용
- Theory
『 Multiplexer and Demultiplexer 』
In electronics, a multiplexer or mux (occasionally the term muldex or muldem[1] is also found, for a combination multiplexer-demultiplexer) is a device that performs multiplexing; it selects one of many analog or digital input signals and forwards the selected input into a single line. A multiplexer of 2n inputs has n select bits, which are used to select which input line to send to the output.
An electronic multiplexer makes it possible for several signals to share one device or resource, for example one A/D converter or one communication line, instead of having one device per input signal.
In electronics, a demultiplexer (or demux) is a device taking a single input signal and selecting one of many data-output-lines, which is connected to the single input. A multiplexer is often used with a complementary demultiplexer on the receiving end.
An electronic multiplexer can be considered as a multiple-input, single-output switch, and a demultiplexer as a single-input, multiple-output switch. The schematic symbol for a multiplexer is an isosceles trapezoid with the longer parallel side containing the input pins and the short parallel side containing the output pin.
참고 자료
♣ Electric Circuit Experiment : Logic Circuit
♣ Contemporary Logic Design 2nd Edition (Randy H. Katz)
♣ Fundamentals of Digital Logic - Vranesic and Brown