'Skewed gates' diaporamas de présentation

MICROELETTRONICA

MICROELETTRONICA. Combinational circuits Lection 6. Outline. Bubble Pushing Compound Gates Logical Effort Example Input Ordering Asymmetric Gates Skewed Gates Best P/N ratio. Bubble Pushing. Start with network of AND / OR gates Convert to NAND / NOR + inverters

982 views • 42 slides

Introduction to CMOS VLSI Design Lecture 8: Combinational Circuits

Introduction to CMOS VLSI Design Lecture 8: Combinational Circuits. David Harris Harvey Mudd College Spring 2004. Outline. Bubble Pushing Compound Gates Logical Effort Example Input Ordering Asymmetric Gates Skewed Gates Best P/N ratio. Example 1. module mux(input s, d0, d1,

1.06k views • 37 slides

Introduction to CMOS VLSI Design Lecture 8: Combinational Circuits

Introduction to CMOS VLSI Design Lecture 8: Combinational Circuits. David Harris Harvey Mudd College Spring 2004. Outline. Bubble Pushing Compound Gates Logical Effort Example Input Ordering Asymmetric Gates Skewed Gates Best P/N ratio. Example 1. module mux(input s, d0, d1,

684 views • 37 slides

EE466: VLSI Design Lecture 8: Combinational Circuits

EE466: VLSI Design Lecture 8: Combinational Circuits. Outline. Bubble Pushing Compound Gates Logical Effort Example Input Ordering Asymmetric Gates Skewed Gates Best P/N ratio. Example 1. MULTIPLEXER 1) Sketch a design using AND, OR, and NOT gates. Example 1. MULTIPLEXER

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EE 447 VLSI Design Lecture 7: Combinational Circuits

EE 447 VLSI Design Lecture 7: Combinational Circuits. Outline. Bubble Pushing Compound Gates Logical Effort Example Input Ordering Asymmetric Gates Skewed Gates Best P/N ratio. Example 1. module mux(input s, d0, d1, output y); assign y = s ? d1 : d0; endmodule

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Lecture 9: Combinational Circuit Design

Lecture 9: Combinational Circuit Design. Outline. Bubble Pushing Compound Gates Logical Effort Example Input Ordering Asymmetric Gates Skewed Gates Best P/N ratio. Example 1. module mux(input s, d0, d1, output y); assign y = s ? d1 : d0; endmodule

479 views • 20 slides

Lecture 9: Combinational Circuit Design

Lecture 9: Combinational Circuit Design. Outline. Bubble Pushing Compound Gates Logical Effort Example Input Ordering Asymmetric Gates Skewed Gates Best P/N ratio. Example 1. module mux(input s, d0, d1, output y); assign y = s ? d1 : d0; endmodule

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Final Exam Review

Final Exam Review. word0 is high if A2 A1 A0 = 000. logical effort of each input is (1+3.5)/3 per wordline output. word7 is high if A2 A1 A0 = 111. Skewed gates. HI-skew g u = 2.5/3 = 5/6 g d = 2.5/1.5 = 5/3 g avg = 5/4 p = 2.5/3 = 5/6.

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Design and Implementation of VLSI Systems (EN0160)

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