IIIT Hyderabad Publications |
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A CMOS Proteretic Bistable DeviceAuthors: Apuroop kumar Reddy Anyam,Azeemuddin Syed Conference: India Conference (INDICON), 2016 IEEE Annual. Date: 2016-12-16 Report no: IIIT/TR/2016/63 AbstractCMOS Schmitt trigger is a widely used hysteretic device due to its noise immunity. However, hysteresis by itself incorporate a delay in the device. In order to eliminate the problem of delay and advance the transition, we propose a circuit which works on the principle of proteresis. It is similar to hysteresis but has reverse behavior. Theoretically, when compared to an hysteretic bistable device, a proteretic device has a swapped triggering voltages which leads to twofold speed without altering the ability of noise immunity. The simulation results demonstrate an improvement of approximately 140% in transition time delay when compared to the Schmitt trigger at the cost of area and could be further improved by proper sizing. By using UMC 180 nm CMOS technology, a 0.2 V width proteretic loop has been achieved which signifies the amount of noise immunity it possesses. Full paper: pdf Centre for VLSI and Embeded Systems Technology |
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