US 12,074,589 B2
Semiconductor device
Junichi Chisaka, Kawasaki Kanagawa (JP)
Assigned to KABUSHIKI KAISHA TOSHIBA, Tokyo (JP); and TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION, Tokyo (JP)
Filed by Kabushiki Kaisha Toshiba, Tokyo (JP); and Toshiba Electronic Devices & Storage Corporation, Tokyo (JP)
Filed on Sep. 7, 2022, as Appl. No. 17/939,790.
Claims priority of application No. 2022-039224 (JP), filed on Mar. 14, 2022.
Prior Publication US 2023/0291396 A1, Sep. 14, 2023
Int. Cl. H03K 17/06 (2006.01); H03K 17/081 (2006.01)
CPC H03K 17/063 (2013.01) [H03K 17/08104 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A semiconductor device comprising:
a first transistor, one end of the first transistor being connected to a power supply voltage terminal, the other end of the first transistor being connected to a first node, a gate of the first transistor being connected to a first output terminal;
a first circuit configured to control a voltage of the first node based on a voltage of a ground voltage terminal;
a second circuit configured to control a voltage of the first output terminal based on the voltage of the ground voltage terminal and a voltage of an input terminal; and
a third circuit configured to control switching between connection and disconnection between the ground voltage terminal and the first circuit, wherein
the third circuit includes a fourth circuit configured to measure a period of time and output a voltage,
when the ground voltage terminal is in a non-disconnection state with an outside and the first transistor makes a transition from an ON state to an OFF state, the third circuit electrically connects the ground voltage terminal to the first circuit,
the third circuit electrically connects the ground voltage terminal to the first circuit, and upon elapse of a predetermined period of time, electrically disconnects the ground voltage terminal from the first circuit,
the third circuit electrically disconnects the ground voltage terminal from the first circuit based on a first voltage output from the fourth circuit, and
the first voltage indicates that the predetermined period of time has elapsed.