Level shifter

Details Level shifter Level shifter

2006-11-07

2006-11-07

Tran, Anh Q. (Department: 2819)

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

Vessel monitoring or inspection

C326S080000, C326S081000

Reexamination Certificate

active

07133487

ABSTRACT:
A level shifter has a pair of P-type MOS transistor switches, a pair of N-type MOS transistor switches, an inverter and a plurality of triggers. The triggers are connected to gates of high-voltage devices (N-type MOS transistor switches) and substrates of the high-voltage devices, so that the triggers can produce a trigger signal for a period of time after receiving a low voltage control signal in order to change voltages on the substrates at transition and further reduce threshold voltages of the substrates to increase transition speed of the shifter circuit.

REFERENCES:
patent: 4039862 (1977-08-01), Dingwall et al.
patent: 2003/0132778 (2003-07-01), Gion
patent: 2003/0174007 (2003-09-01), Suga

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