24,709 research outputs found
Automated performance evaluation of skew-tolerant clocking schemes
In this paper the authors evaluate the timing and power performance of three skew-tolerant clocking schemes. These schemes are the well known master–slave clocking scheme (MS) and two schemes developed by the authors: Parallel alternating latches clocking scheme (PALACS) and four-phase parallel alternating latches clocking scheme (four-phase PALACS). In order to evaluate the timing performance, the authors introduce algorithms to obtain the clock waveforms required by a synchronous sequential circuit. Separated algorithms were developed for every clocking scheme. From these waveforms it is possible to get parameters such as the non-overlapping time and the clock period. They have been implemented in a tool and have been used to compare the timing performance of the clocking schemes applied to a simple circuit. To analyse the power consumption the authors have electrically simulated a simple circuit for several operation frequencies. The most remarkable conclusion is that it is possible to save about 50% of the power consumption of the clock distribution network by using PALACS.Ministerio de Ciencia y TecnologÃa TEC 2004-00840/MI
Clocking connector replaces adapter cables
Single cable using simplified, versatile clocking connector satisfies clocking variations that previously required many cables. Connector consists of specially fabricated grommet follower dial housing, dial assembly, and modified insert
Clocking Koufax
In lieu of an abstract, below is the essay\u27s first paragraph.
Walking out of the tunnels of Baltimore’s Memorial Stadium, even after the roaring crowds had departed in compressed streams of red taillights, was the best part of the evening, John Angelina had decided early in the baseball season. Especially now that the Orioles were headed for a pennant and possibly the World Series, the line of groupies would wait for the pitchers. Not that the other players or positions were any less attractive, it was just something about the pitchers. Particularly that battery of pitchers that year that would in fact find heroes in all unlikely places and circumstances; that year that would deliver a resounding win at the World Series against the legendary Los Angeles Dodgers and the brilliant Sandy Koufax
Voltage-induced strain clocking of nanomagnets with perpendicular magnetic anisotropies
Nanomagnetic logic (NML) has attracted attention during the last two decades
due to its promise of high energy efficiency combined with non-volatility. Data
transmission in NML relies on Bennett clocking through dipole interaction
between neighboring nanomagnetic bits. This paper uses a fully coupled finite
element model to simulate Bennett clocking based on strain-mediated
multiferroic system for Ni, CoFeB and Terfenol-D with perpendicular magnetic
anisotropies. Simulation results demonstrate that Terfenol-D system has the
highest energy efficiency, which is 2 orders of magnitude more efficient than
Ni and CoFeB. However, the high efficiency is associated with switching
incoherency due to its large magnetostriction coefficient. It is also suggested
that the CoFeB clocking system is slower and has lower bit-density than in Ni
or Terfenol-D systems due to its large dipole coupling. Moreover, we
demonstrate that the precessional perpendicular switching and the Bennett
clocking can be achieved using the same strain-mediated multiferroic
architecture with different voltage pulsing. This study opens new possibilities
to an all-spin in-memory computing system
Communications link for SDS 900 series computers
High speed, self-clocking single channel control and data link apparatus interfaces between two computers. This combined system reduces data errors
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