Four-phase logic is a type of, and design methodology for, dynamic logic; it enabled non-specialist engineers to design quite complex ICs, using either PMOS or NMOS processes.
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Famous quotes containing the word logic:
“Our argument ... will result, not upon logic by itself—though without logic we should never have got to this point—but upon the fortunate contingent fact that people who would take this logically possible view, after they had really imagined themselves in the other man’s position, are extremely rare.”
—Richard M. Hare (b. 1919)