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Viterbi Decoder: Presentation

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Spice simulation of entire chip (In progress) Marketing ... Gripe ~ 1 Slide. Specifications. 18-525, Integrated Circuits Design Project. Pin Specs ... – PowerPoint PPT presentation

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Title: Viterbi Decoder: Presentation


1
Viterbi Decoder Presentation 11
Overall Project Objective Design a high speed
Viterbi Decoder
Stage 11 12th April 2004 Short Final
Presentation
Omar Ahmad Prateek Goenka Saim Qidwai Lingyan Sun
M1
  • Design Manager Yaping Zhan

2
Status
  • Design Proposal (Done)
  • Architecture Proposal (Done)
  • Gate level Design (Done)
  • Component Layout (Done)
  • Component Simulation (Done)
  • Chip Layout (Done)
  • Spice simulation of entire chip (In progress)

18-525, Integrated Circuits Design Project
3
Marketing
  • What is a Viterbi Decoder?
  • Uses and applications
  • Example
  • Why our design is useful?
  • High speed
  • Compact

3 Slides
18-525, Integrated Circuits Design Project
4
Algorithm Description
  • Brief overview
  • How/Why it works
  • Dataflow of our design
  • Break down of each component

5 Slides
18-525, Integrated Circuits Design Project
5
Implementation
  • Overview
  • Decision on design goal high speed
  • Schematic
  • Description

2 Slides
18-525, Integrated Circuits Design Project
6
Verification
  • Matlab Simulations
  • Overview
  • How/Why it works
  • Verilog Simulations
  • Overview
  • How/Why it works
  • Behavioral/Structural
  • Top level schematic Simulation
  • Overview
  • How/Why it works
  • Top level layout Simulation
  • LVS
  • Spice

15 Slides
18-525, Integrated Circuits Design Project
7
Floorplan Evolution
  • Floorplan ideas
  • Overview
  • Various implementations
  • Initial floorplan
  • Description
  • Rejection
  • Final floorplan
  • Description
  • Acceptance

8 Slides
18-525, Integrated Circuits Design Project
8
Issues
  • Floorplanning
  • Wiring
  • Wrong connections
  • Decisions on top level routing
  • Simulation
  • Checking for critical path
  • Space
  • Gripe

1 Slide
18-525, Integrated Circuits Design Project
9
Specifications
  • Pin Specs
  • Part Specs
  • Evolution (Intial, changes, final)
  • Chip Specs
  • Evolution

3 Slides
18-525, Integrated Circuits Design Project
10
Layout
  • Masks
  • Active
  • Poly
  • Metals 1, 2, 3, 4
  • Full chip layout
  • With overlaid floorplan

8 Slides
18-525, Integrated Circuits Design Project
11
Conclusions
1 Slide
18-525, Integrated Circuits Design Project
12
Emulations
  • Matlab
  • Verilog
  • Schematic
  • LVS
  • Spice

5 Slides
18-525, Integrated Circuits Design Project
13
Allocation of slides
  • Marketing
  • Algorithm Description
  • Implementation
  • Verification
  • Floorplan Evolution
  • Issues
  • Specifications
  • Layout
  • Conclusions
  • Emulations

Lingyan
Saim
Prateek
Omar
Total no. of slides 50
18-525, Integrated Circuits Design Project
14
Updates
  • We were running full chip simulation but
  • Takes a long time
  • People are very very very bad
  • Added counter
  • Provides robustness to design
  • Extra part

18-525, Integrated Circuits Design Project
15
Added Counter
16
Final Dimensions
Total Area 309.96 um x 231.48 um 71,749.54 sq.
um Transistor Count 17,857 218
18,075 Transistor Density 0.252 Aspect Ratio
1.339 Estimated Clock Speed 300 MHz. Clock
Speed Achieved 500 MHz.
18-525, Integrated Circuits Design Project
17
Questions/Comments
18-525, Integrated Circuits Design Project
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