전기전자기초실험 Chapter 8 Combination Logic Circuit DesignPre-report

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·Combination logic circuit design
① Survey the following multiplexer
A multiplexer is a kind of integrated circuit that has a group of data inputs and control inputs. It determines data output, choosing from data inputs using control inputs. For example, a 2:1 multiplexer has two data inputs, one data output, and one control input, while a 4:1 multiplexer has four data inputs, one output, and two control inputs.[1]
- 2×1 multiplexer
This multiplexer has a boolean equation where A and B are the two inputs, S is the selector input, and Z is the output.
Data Output: Z=(A · S`) + (B · S)

- 4×1 multiplexer
This multiplexer has a boolean equation where A, B, C and D are the four inputs, S0, S1 is the selector input, and F is the output.
Data Output: Z=(A · S0` · S1`) + (B · S0 · S1`) + (C · S0` · S1) + (D · S0 · S1)

참고자료

· Charles H. Roth, Jr. (2006). Multiplexers, Decoders, and Programmable Logic Devices, Unit 9, page 230
· Charles H. Roth, Jr. (2006). Multiplexers, Decoders, and Programmable Logic Devices, Unit 9, page 237
· Charles H. Roth, Jr. (2006). Multiplexers, Decoders, and Programmable Logic Devices, Unit 9, page 235
· Demultiplexer [Online]. Available: http://en.wikipedia.org/wiki/Demultiplexer
· Instruciton [Online]. Available: http://en.wikipedia.org/wiki/Decoder#Instruction_decoder
· 7447 [Online]. Available: http://www.ic-on-line.cn/search.php?part=7447&stype=part