Digital circuit simulation of analog/digital circuits

Details Digital circuit simulation of analog/digital circuits Digital circuit simulation of analog/digital circuits

1991-10-22

1994-03-22

Harvey, Jack B.

Boots, shoes, and leggings

364488, 364489, 364490, 371 23, 371 223, G06G 748

Patent

active

052970663

ABSTRACT:
A method and apparatus for providing a single digital simulation of a circuit with analog and digital components. A netlist characterizing a circuit with analog and digital components is utilized. The netlist defines each component in the circuit and its interconnections. The netlist is conveyed to a digital simulator which includes an expanded cell library. The cell library defines analog components in a digital manner. The digitally defined analog components process analog signals which are simulated as arrays of binary values, termed vector voltages. The vector voltages may be combined, mathematically or logically, with other vector voltages to produce binary signals suitable as inputs to digital circuit elements. Regardless of the complexity of the circuit, and despite the fact that both analog and digital components are present, a single integrated digital simulation of the entire circuit is rapidly executed by utilizing digital models of the analog components.

REFERENCES:
patent: 5084824 (1992-01-01), Lam et al.
patent: 5105373 (1992-04-01), Rumsey et al.

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