Patent ID: 11915767
Assignee: KEY FOUNDRY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 11:
12. The negative voltage switching device of claim 1,
wherein the second switching selection module comprises:
a sixteenth N-type transistor having a source connected to the second switching circuit, and a gate is connected to the output terminal;
a seventeenth N-type transistor having a drain connected to the output terminal, a gate connected to the second switching circuit, and a source connected to a source of the sixteenth N-type transistor; and
an eighteenth N-type transistor having a source connected to the second switching circuit, a gate connected to each source of the sixteenth N-type transistor and the seventeenth N-type transistor, and a drain connected to the output terminal.