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2003•Unpublished venueRequires access

Superconducting COSL building blocks for implementation in ultra-high speed logic circuits

Francois Rabie, Willem Jakobus Perold

Open publisher page 3 citations

Abstract

Complementary output switching logic (COSL) is used to define building blocks for ultra-high speed (/spl sim/20 GHz) logic circuits. The family consists of the standard logic functions OR, NOR, AND, NAND and XOR. The building blocks include a new single gate inverter and various latch functions. Changes in the layout of the COSL gates are proposed to improve the uniformity of current distribution in the gates, which will, in turn, prevent unwanted field concentrations.

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What this paper is about

Complementary output switching logic (COSL) is used to define building blocks for ultra-high speed (/spl sim/20 GHz) logic circuits. The family consists of the standard logic functions OR, NOR, AND, NAND and XOR. The building blocks include a new single gate inverter and various latch functions. Changes in the layout of the COSL gates are proposed to improve the uniformity of current distribution in the gates, which will, in turn, prevent unwanted field concentrations.

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Available abstract

Complementary output switching logic (COSL) is used to define building blocks for ultra-high speed (/spl sim/20 GHz) logic circuits. The family consists of the standard logic functions OR, NOR, AND, NAND and XOR. The building blocks include a new single gate inverter and various latch functions. Changes in the layout of the COSL gates are proposed to improve the uniformity of current distribution in the gates, which will, in turn, prevent unwanted field concentrations.

Key concepts: NAND gate, Logic gate, AND-OR-Invert, Inverter, Pass transistor logic, Logic family, XOR gate, NAND logic

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