overall project objective:
DESCRIPTION
Presentation #10: Smart Cart 525. Idongesit Ebong (1-1) Jenna Fu (1-2) Bowei Gai (1-3) Syed Hussain (1-4) Jonathan Lee (1-5) Design Manager : Myron Kwai. Overall Project Objective: - PowerPoint PPT PresentationTRANSCRIPT
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Idongesit Ebong (1-1)Jenna Fu (1-2)
Bowei Gai (1-3)Syed Hussain (1-4)Jonathan Lee (1-5)
Design Manager: Myron Kwai
Overall Project Objective:Design a chip as part of a system that accommodates the growing demand for radio frequency identification (RFID)
technology while creating a quicker, more convenient shopping experience.
Presentation #10:
Smart Cart 525
Stage X: 28 Mar. 2005Chip Level Layout 2
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Status Design Proposal
Project chosen Verilog obtained/modified
Architecture Proposal Behavioral Verilog simulated
Size estimates/floorplanning Gate-level implementation simulated in Verilog Floorplan and more accurate transistor count
Schematic Design Component Layout Functional Block Layout
DRC of functional blocks LVS of functional blocks
Chip Level Layout Full chip LVS!!!!
Simulations (50%) Schematic with loaded inputs/outputs Extracted, ExtractedRC view
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Design Decisions
Changed register type after having problems with Analog Simulation
Adding more buffers to design
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Previously (320.220 x 293.355)
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Currently (323.955 x 296.1)
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Design Specifications
Area: 95,923 μm2
# of Transistors: 21,944
Density: (transistors/μm2)
.23
Aspect ratio: 1.09
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LVS VerificationNet-list summary for /afs/ece.cmu.edu/usr/bgai/cds/LVS/layout/netlist count
6965 nets87 terminals7752 pmos14192 nmos
Net-list summary for /afs/ece.cmu.edu/usr/bgai/cds/LVS/schematic/netlist count
7066 nets87 terminals101 cds_thru7752 pmos14192 nmos
Terminal correspondence points 1 Clk 2 Clk2 3 done 4 gnd! 5 input16bit<0> 6 input16bit<10> 7 input16bit<11> 8 input16bit<12> 9 input16bit<13> 10 input16bit<14> 11 input16bit<15> 12 input16bit<1> 13 input16bit<2> 14 input16bit<3> 15 input16bit<4> 16 input16bit<5> 17 input16bit<6> 18 input16bit<7> 19 input16bit<8> 20 input16bit<9>
21 lastPrice<0> 22 lastPrice<1> 23 lastPrice<2> 24 lastPrice<3> 25 lastPrice<4> 26 lastPrice<5> 27 lastPrice<6> 28 lastPrice<7> 29 lastPrice<8> 30 lastPrice<9> 31 operationCode<0> 32 operationCode<1> 33 operationCode<2>
34 out<0> 35 out<10> 36 out<11> 37 out<12> 38 out<13> 39 out<14> 40 out<15> 41 out<16> 42 out<17> 43 out<18> 44 out<19> 45 out<1> 46 out<20> 47 out<2> 48 out<3> 49 out<4> 50 out<5> 51 out<6> 52 out<7>
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53 out<8> 54 out<9> 55 text_out<0> 56 text_out<10> 57 text_out<11> 58 text_out<12> 59 text_out<13> 60 text_out<14> 61 text_out<15> 62 text_out<16> 63 text_out<17> 64 text_out<18> 65 text_out<19> 66 text_out<1> 67 text_out<20> 68 text_out<21> 69 text_out<22> 70 text_out<23> 71 text_out<24> 72 text_out<25> 73 text_out<26> 74 text_out<27> 75 text_out<28> 76 text_out<29> 77 text_out<2> 78 text_out<30> 79 text_out<31> 80 text_out<3> 81 text_out<4> 82 text_out<5> 83 text_out<6> 84 text_out<7> 85 text_out<8> 86 text_out<9> 87 vdd!
The net-lists match.
layout schematicinstances
un-matched 0 0rewired 0 0size errors 0 0pruned 0 0active 21944 22045total 21944 22045
netsun-matched 0 0merged 0 0pruned 0 0active 6965 7066total 6965 7066
terminalsun-matched 0 0matched butdifferent type 0 0total 87 87
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Simulations: Top (Total Output--Schematic)
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Simulations: Top (Last Price Output--Schematic)
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Simulations: Encryption (Final Output--Schematic)
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Simulations: Encryption (ROM)
ExtractedRise Time: 941.308 psFall Time: 698.145 ps
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Simulations: Arithmetic Blocks
Multiplier Schematic
Rise Time: 144.599 psFall Time: 94.4327 psPropagation Time: 425 ps
ExtractedRCRise Time: 163.18 psFall Time: 93.65 psPropagation Time: 3.53 ns
Adder Schematic
Rise Time: 144.708 psFall Time: 96.0891 psPropagation Time: 512.017 ps
ExtractedRC coming soon
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Simulations: SRAM
SchematicRise Time: 192.883 psFall Time: 103.013 psProp. Time: 1.112 ns ExtractedRCRise Time: 275.000 psFall Time: 147.000 psProp. Time: 947.000 ps
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Problems & Questions
White space reduction Buffers expected to fill some of this space
Adder is weird Having to go through so many transmission gates may
be a problem