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Published byVernon Norton Modified over 9 years ago
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STICK DIAGRAM EMT251
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Schematic vs Layout In Out V DD GND Inverter circuit
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Schematic vs Layout A Out V DD GND B 2-input NAND gate
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Stick Diagram A stick diagram is a graphical view of a layout. Does not show exact placement, transistor sizes, wire lengths, wire widths, tub boundaries.
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Stick Diagram Represents relative positions of transistors Stick diagrams help plan layout quickly Need not be to scale Draw with color pencils or dry-erase markers In Out V DD GND Inverter A Out V DD GND B NAND2
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Stick Diagram Metal (BLUE) Polysilicion (RED) N-Diffusion (Green) P-Diffusion (Brown) Contact / Via Layers
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Figure 1: Schematic and Graph
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Figure 2: Euler Path
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Figure 3: Connection label layout 1 2
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Figure 4: VDD, VSS and Output Labels 1 2
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Figure 5: Stick Diagram, Interconnected Reference: Chapter 4, Appendix C, Digital Integrated Circuits, Jan M. Rabaey 1 2
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Exercise 1 A B C Logic Gate A X = C (A + B) B A C C B i j
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Solution: Stick Diagram of C (A + B) ABC X V DD GND
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Exercise 2 A B C D X = (A+B)(C+D) D C C AB B A D Logic Gate
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