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Pass Transistor Logic Cell Library Group Members: Keith Benson Kofi Inkabi Ashley Nozine.

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Presentation on theme: "Pass Transistor Logic Cell Library Group Members: Keith Benson Kofi Inkabi Ashley Nozine."— Presentation transcript:

1 Pass Transistor Logic Cell Library Group Members: Keith Benson Kofi Inkabi Ashley Nozine

2 Project Summary Design basic cells that can incorporated into Cadence cell library. Incorporate cells into Cadence’s cell library. Compare technology mapped layout versus CMOS only Layout –Power –Area –Delay

3 Standard Cell Dimensions

4 Cell Characteristics 0.25um technology Area *Height * Width Height is constant at 54 = 6.75um Delay *50% Input  50% Output Dynamic Power dissipation *P Dyn = V DD * I ave Iave = (I H  L + I L  H ) / 2

5 Cell Y2 schematic

6 Layout without Buffer

7 Simulation of Layout/no buffer

8 Cell Y2 no buffer: results

9 Cell Y2 with buffer schematic

10 Layout with small buffer

11 Simulation of Layout/Small Buf.

12 Cell Y2 small buffer: results

13 Cell Y2 with buffer*x schematic

14 Layout with large buffer

15 Simulation of Layout/Large Buf.

16 Cell Y2 large buffer: results

17 Original Schedule A: Project Proposal B: Learn Cadence/Know Cadence Library Specs. C: Build Cell layouts D: Measure Cells for Power, Area, and Power E: Receive Netlist and automatically generate layout of Technology Mapped cells F: Compare Layout of PTL and CMOS cells against CMOS only cells

18 Revised Schedule A: Locate tool to automatically generate layout from Netlist B: Receive Netlist and automatically generate layout of Technology Mapped cells C: Characterize Technology Mapped layout from netlist D: Characterize CMOS layout from netlist E: Compare Technology Mapped layout vs. CMOS only layout F: Final Report


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