Patent ID: 11876514
Assignee: NXP USA, INC.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. The bidirectional optocoupler circuit of claim 13, further comprises an output circuit connected between an output terminal of the second level shifter and the second terminal; wherein the output circuit comprises:
a third resistor having a first terminal connected to a voltage supply having the second voltage level and a second terminal connected to an output node;
a fourth resistor having a first terminal and a second terminal, the first terminal of the fourth resistor is connected to the output node; and
a transistor having a first current terminal connected to the second terminal of the fourth resistor, a second current terminal connected to a ground having the second ground level, and a control terminal connected to the output terminal of the second level shifter.