Abstract
To clarify the relationship between the figures-of-merit of resonant tunneling diodes and the operating speed of a monostable-bistable transition logic element (MOBILE), we investigated the transient response of a MOBILE using a simple current-voltage characteristics model. We found that an unstable point in a MOBILE affects its operation, and false operation occurs when the amplitude of the clock signal is inappropriate. From a calculation of transient time using peak-to-valley current ratio (PVR) and peak current density (j/sub P/) as parameters, we also discovered that a sufficiently high j/sub P/ and higher PVR (>6) are necessary for high-speed operations.
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