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Current Mirror Modified Level Shifter
Patent

Current Mirror Modified Level Shifter

Wu, Che-Wei, Chang, Meng-Fan, 吳哲維 and 張孟凡
18/07/2013

Abstract

A current mirror modified level shifter includes a pair of PMOS including a PMOS (M.sub.PL) and a PMOS (M.sub.PR), wherein a Vot node connected to a drain of the PMOS (M.sub.PR); a pair of NMOS including NMOS (M.sub.NL) and a NMOS (M.sub.NR), wherein sources of the PMOS (M.sub.PL) and the PMOS (M.sub.PR) are coupled to a high voltage (HV), respectively; gates of the PMOS (M.sub.PL) and the PMOS (M.sub.PR) coupled together through a Vm node which located between the gates of the PMOS (M.sub.PL) and the PMOS (M.sub.PR); and a suspended PMOS (M.sub.PM) coupled to drain of the PMOS (M.sub.PL), the Vm node being coupled to a Va node between drain of the suspend PMOS (M.sub.PM) and drain of the NMOS (M.sub.NL).

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