Level down converter

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Amplitude control

Reexamination Certificate

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Details

C326S068000, C326S081000

Reexamination Certificate

active

07078953

ABSTRACT:
A level down converter having a first inverter supplied a first power supply voltage, and outputting signals made by logical inversions of input signals, and a second inverter supplied a second power supply voltage being lower than the first power supply voltage, and outputting signals made by logical inversions of output signals from the first inverter, is provided. The first inverter contains a transistor including a gate insulation film having a first film thickness. The second inverter contains a transistor including a gate insulation film having a second film thickness which is thinner than the first film thickness.

REFERENCES:
patent: 5200921 (1993-04-01), Okajima
patent: 6166580 (2000-12-01), Sessions
patent: 2002246893 (2002-08-01), None

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