公开(公告)号：US20210250020A1

公开(公告)日：2021-08-12

申请号：US17038965

申请日：2020-09-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae Seung HAN ,  Kyung-Min KIM ,  Hae Sick SUL ,  Yun Hwan JUNG

IPC: H03K3/356 ,  H03K19/0185

Abstract: A level shifter circuitry is provided. The level shifter circuitry includes a first sub-circuit connected to a first power supply voltage, a second sub-circuit connected to a second power supply voltage and a shifting circuit which is connected to the first and second sub-circuits and outputs the first power supply voltage or the second power supply voltage to an output terminal or an inverted output terminal in response to a signal applied to an input node in accordance with an enable signal.