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38th International Symposium on Multiple Valued Logic (ismvl 2008)
Vth-Variation Compensation of Multiple-Valued Current-Mode Circuit Using TMR Devices
May 22-May 24
ISBN: 978-0-7695-3155-7
A compensation method against a threshold-voltage (Vth) variation using tunneling magnetoresistive (TMR) devices, is proposed for a deep-submicron VLSI. The influence of the Vth variation in a single MOS transistor can be neglected by adjusting the source voltage of the MOS transistor. The desired circuit behavior is obtained by programming the resistance value of a TMR device which is connected to the MOS transistor in series. By using HSPICE simulation under a 90nm CMOS technology, it is demonstrated that a radix-2 signed-digit adder using the proposed method is robust against the Vth variation.
Index Terms:
reliability, differential-pair circuit, radix-2 signed-digit adder
Citation:
Akihiro Hirosaki, Masatomo Miura, Atsushi Matsumoto, Takahiro Hanyu, "Vth-Variation Compensation of Multiple-Valued Current-Mode Circuit Using TMR Devices," ismvl, pp.14-19, 38th International Symposium on Multiple Valued Logic (ismvl 2008), 2008
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