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Quantum gate arrays as coherent sums over classical logic gate arrays [PDF]

open access: possibleJournal of Physics A: Mathematical and General, 1997
Summary: Quantum spin systems may provide physical realizations of quantum gate arrays. It is shown that certain natural unitary time evolution matrices for \(\text{spin-} {1\over 2}\) quantum spins, interpreted in this context as quantum gate arrays, can be represented as coherent sums, with appropriate phases, over classical logic gate arrays, in a ...
Bruno Nachtergaele, Vipul Periwal
openaire   +1 more source

A 6K-gate CMOS gate array

IEEE Journal of Solid-State Circuits, 1982
Combining an advanced 2-/spl mu/m CMOS technology with a newly developed triple-level metallization technology, a high-performance 20K-gate CMOS gate array has been developed. The advantage of triple-level metallization for area saving in a large-scale gate array was evaluated by a computer simulation. The typical gate delay is 1.5 ns with fan-out of 3,
T. Saigo   +6 more
openaire   +2 more sources

A 1K-gate GaAs gate array

IEEE Journal of Solid-State Circuits, 1984
The successful design and fabrication of 1050-gate arrays are reported. Chip size is 3.75/spl times/3.75 mm. A basic cell can be programmed as an enhancement/depletion-type DCFL three-input NOR gate. The speed performance was measured at 0.2-mW/gate power dissipation. Unloaded (fanout=1) propagation delay time was 100 ps/gate.
T. Terada   +7 more
openaire   +2 more sources

A novel high speed Artificial Neural Network–based chaotic True Random Number Generator on Field Programmable Gate Array

International journal of circuit theory and applications, 2018
It is well observed that cryptographic applications have great challenges in guaranteeing high security as well as high throughput. Artificial neural network (ANN)–based chaotic true random number generator (TRNG) structure has not been unprecedented in ...
M. Alçin   +4 more
semanticscholar   +1 more source

500 Gates GaAs Gate Array

Japanese Journal of Applied Physics, 1983
High speed GaAs DCFL gate array consisting of 500 3-INPUT NOR gates, in which 2000 FETs are integrated, has been successfully fabricated by a Pt buried gate planar E/D process technology. Eleven different 15-stage ring oscillators were made on this gate array to investigate the dependence of gate performance on various loading conditions.
Nobuyuki Toyoda   +4 more
openaire   +2 more sources

Field-Programmable Gate Arrays

Communications of the ACM, 1999
Field programmable gate arrays (FPGAs) are a flexible alternative to custom integrated circuits. They can implement both combinatorial and sequential logic of tens of thousands of gates. Historically, software has been considered "flexible" with hardware its rigid counterpart in system design.
  +6 more sources

Optically reconfigurable gate array using a colored configuration.

Applied Optics, 2018
This paper presents a proposal of an optically reconfigurable gate array using a colored configuration. The optically reconfigurable gate array consists of a very-large-scale integration (VLSI), a holographic memory, and four lasers with different ...
Takumi Fujimori, Minoru Watanabe
semanticscholar   +1 more source

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