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mult2 - ECE 261 Project Presentation 2 8-bit Booth...

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1 8-bit Booth Multiplier Eric Wang Federico Gonzalez Bryan Flemming Jep Barbour ECE 261 Project Presentation 2
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Abstract The purpose of this project is to create a 8 by 8 multiplier using Booth’s multiplication algorithm. The 8-bit multiplicand and 8-bit multiplier are input signals into four Booth encoders/selectors. After applying Booth’s algorithm to the inputs, simple addition is done to produce a final output. Our main goal is to produce a working 8 by 8 bit multiplier with correct simulations and layout while attempting to maximize the speed in which the multiplier performs the calculation. 2
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3 8 Bit Multiplicand 8 Bit Multiplier Booth Encoder/ Selector for bits [0 1 2] Booth Encoder/ Selector for bits [4 5 6] Booth Encoder/ Selector for bits [2 3 4] Booth Encoder/ Selector for bits [6 7 8] 16 Bit Carry Save Adder 16 Bit Carry Save Adder 16 Bit Carry Save Adder Product Out Schematic Block Diagram
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Booth Encoder Schematic
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Booth Encoder
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Booth Decoder Schematic
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Booth Decoder Layout
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Partial product generator Schematic
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Partial product generator Booth Encoder 8 Booth Decoders
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Full Adder
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Full Adder
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16 bit Carry Save Adder
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CSA16 16 bit Carry Save Adder
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CSA16 4 bit Carry Save Adder
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CSA16 4 bit Carry Save Adder
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Top Level Diagram
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Top Level Layout
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