30 lines
717 B
Plaintext
30 lines
717 B
Plaintext
Compare five 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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adder_esource
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Uses the NAND variant of the E-type behavioral voltage source.
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There are further variations of adder_Xspice in directory
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examples/digital/auto_bridge.
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