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)
참고 자료
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