mirror of
https://git.code.sf.net/p/ngspice/ngspice
synced 2026-09-06 20:46:42 +02:00
Brian Taylor
6fce461984
running in parallel on a multi-core machine (12 min execution time on a i9 9900, ngspice compiled with gcc, debug mode enabled. Linux with Valgrind and Parallel are required.
24 lines
550 B
Plaintext
24 lines
550 B
Plaintext
Compare four different 4-bit full adders,
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made of NAND gates
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Simulating for 6400ns
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adder_bib
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The old spice bipolar NAND gate full adder
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Simulation time 14.0s
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adder_mos
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A MOS NAND gate inverter, using BSIM3 and OpenMP
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Simulation time 10.5s
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adder_behav
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NAND gates made with XSPICE digital devices,
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but each has an analog interface, the interconnect
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is analog, gate library is 74HCng_short_2.lib
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Simulation time 1.9s
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adder_Xspice
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Fully digital, event node based NAND gates
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digital plotting into vcd file, display with gtkwave
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Simulation time 0.27s
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