A Josephson 4-bit RALU for a prototype computer
Journal Article
·
· IEEE (Institute of Electrical and Electronics Engineers) Journal of Solid State Circuits; (USA)
- Electrotechnical Lab., Ibaraki (Japan)
- Digital Equipment Corp Japan, 1-16-10 Amakubo, Tsukuba-shi, Ibaraki, 305 (JP)
A Josephson 4-bit register/arithmetic logic unit (RALU) which is adaptable to a prototype computer is demonstrated. The RALU circuit is designed to be composed of ALU, accumulator, registers for 10-bit instructions, 8-bit address, 4-bit data and carry flag, multiplexers, and so on. The circuit consists of a four-junction logic (4JL) gate family or OR, AND, INVERT and AMP gates. A complete set of photomasks of the RALU is generated with the computer-aided-design (CAD) system which performs an automatic standard cell layout, wiring and logic check.
- OSTI ID:
- 5201767
- Journal Information:
- IEEE (Institute of Electrical and Electronics Engineers) Journal of Solid State Circuits; (USA), Journal Name: IEEE (Institute of Electrical and Electronics Engineers) Journal of Solid State Circuits; (USA) Vol. 24:4; ISSN IJSCB; ISSN 0018-9200
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
426001* -- Engineering-- Superconducting Devices & Circuits-- (1990-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
AUTOMATION
CHALCOGENIDES
COMPUTER-AIDED DESIGN
COMPUTERS
DESIGN
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRONIC CIRCUITS
ELEMENTS
FABRICATION
INTEGRATED CIRCUITS
JOSEPHSON JUNCTIONS
JUNCTIONS
LOGIC CIRCUITS
METALS
MICROELECTRONIC CIRCUITS
NIOBIUM
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
PHYSICAL PROPERTIES
SUPERCONDUCTING JUNCTIONS
SUPERCONDUCTIVITY
TECHNOLOGY ASSESSMENT
TRANSITION ELEMENTS
TUNNEL EFFECT
VOLTAGE REGULATORS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
AUTOMATION
CHALCOGENIDES
COMPUTER-AIDED DESIGN
COMPUTERS
DESIGN
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRONIC CIRCUITS
ELEMENTS
FABRICATION
INTEGRATED CIRCUITS
JOSEPHSON JUNCTIONS
JUNCTIONS
LOGIC CIRCUITS
METALS
MICROELECTRONIC CIRCUITS
NIOBIUM
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
PHYSICAL PROPERTIES
SUPERCONDUCTING JUNCTIONS
SUPERCONDUCTIVITY
TECHNOLOGY ASSESSMENT
TRANSITION ELEMENTS
TUNNEL EFFECT
VOLTAGE REGULATORS