A new class of integrated sensors with digital output based upon the use of a flip-flop

1 April 1986

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Electron Device Letters

Vol. 7 (4) , 238-240
https://doi.org/10.1109/edl.1986.26357

Abstract

Integrated sensors based on flip-flops have been successfully fabricated for the measurement of several physical parameters and subsequently tested. The sensors consist of flip-flops in which one circuit element is sensitive to the desired physical parameter. The sensing action consists of alternately bringing the flip-flop into an unstable and a stable state and counting the resulting ones or zeros. This number is a measure for the asymmetry of the flip-flop and thus for the physical parameter. To illustrate the principle, a force sensor based on a flip-flop containing piezoresistors is presented.

Keywords

FLIP-FLOPS
CHEMICAL SENSORS
MAGNETIC FIELD MEASUREMENT
FORCE SENSORS
PIEZORESISTIVE DEVICES
SILICON
MAGNETIC SENSORS
FORCE MEASUREMENT
INTEGRATED CIRCUIT MEASUREMENTS
TEMPERATURE SENSORS

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