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CAD Contest Progress – Lab231-Cix

CAD Contest Progress – Lab231-Cix. Member: Chih -Chung, Wan-Chen, Chia -Yao, Sharon Speaker: Chia-Yao Date: 2013/09/09. O utline. Proposed Flow Mapping AND/NAND/OR/NOR MUX ADDER Multiplier/Hybrid Progress/Future Work. Proposed Flow. XOR/XNOR. Find XOR/XNOR by structure

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CAD Contest Progress – Lab231-Cix

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  1. CAD Contest Progress –Lab231-Cix Member: Chih-Chung, Wan-Chen, Chia-Yao, Sharon Speaker: Chia-Yao Date: 2013/09/09

  2. Outline • Proposed Flow • Mapping • AND/NAND/OR/NOR • MUX • ADDER • Multiplier/Hybrid • Progress/Future Work

  3. Proposed Flow

  4. XOR/XNOR • Find XOR/XNOR by structure • Determine final function (either XOR or XNOR) o o XNOR XOR b a b a XOR => XNOR XOR XNOR

  5. Mapping MUX MUX

  6. Mapping MUX • If cut size is larger than the # of SEL bits? • Add additional logic gate to fix function. • EX: F = X’Y’ + X’YZ’ + XY’ + WXYZ, but MUX has only 2 SEL bits. MUX

  7. Mapping Adder by Structure • The function of FA • S = A^B^C • Co = (A^B)Ci + AB = A’BC + AB’C + ABC + ABC’

  8. Progress

  9. Future Work • Merge all codes • Bug free • Adder(with constant) • Selection • Optimization • 3, 4 variable adder

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