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Transcript of Lecture 27 Given
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7/26/2019 Lecture 27 Given
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EL 511 VLSI Design
1
EL 511
VLSI Design
Instructor:
Mazad S. Zaveri
Faculty Block 4, Room 4206
Email: [email protected]://intranet.daiict.ac.in/~mazad_zaveri/
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EL 511 VLSI Design
2
What is the Boolean function implemented in this layout?
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EL 511 VLSI Design
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Area Estimation NAND3
For a rough area estimation Focus on the number of metal lines (assuming all are contacted)
8 between any such two metal-1 lines
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EL 511 VLSI Design
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NAND3 With all capacitances
Figure shown, considers all diffusion capacitances
However, based on the layout, the diffusion capacitances mayreduce, due to source-drain sharing/merging (see next slide)
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EL 511 VLSI Design
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NAND3 - Diffusion Capacitances based on layout
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EL 511 VLSI Design
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Topics covered In the DJVU file
1.5.3
1.5.4
1.5.5
4.2.1
8.8.1 (10.6.1 in the Indian edition)
Principles of CMOS VLSI Design, by Weste, Eshraghian
5.3.3
5.3.1