High voltage switching circuit

Details High voltage switching circuit High voltage switching circuit

2007-08-31

2009-10-27

Nguyen, Tan T. (Department: 2827)

Static information storage and retrieval

Floating gate

Particular biasing

C365S072000, C365S185230, C365S189110

Reexamination Certificate

active

07609554

ABSTRACT:
A high voltage switching circuit that has a depletion mode NMOS transistor, an enhancement mode PMOS transistor and, an enhancement mode NMOS transistor. A control circuit generates first and second control signals. A first control signal controls the enhancement mode NMOS transistor and a logical combination of both control signals provides a bias to control the PMOS transistor. The bias on the PMOS transistor provides a gate voltage greater than ground potential after the high voltage has been switched to the circuit output.

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