Level shifting circuit for semiconductor device

Details Level shifting circuit for semiconductor device Level shifting circuit for semiconductor device

2006-11-30

2008-11-11

Barnie, Rexford (Department: 2819)

Electronic digital logic circuitry

Interface

Logic level shifting

C326S062000, C326S063000, C326S080000, C326S081000

Reexamination Certificate

active

07449917

ABSTRACT:
A level shifting circuit for a semiconductor device comprises a controller, a level shifting portion, and a driving portion. The controller is adapted to level shift a power converting input signal having a first voltage level to generate a pair of control signals having different logic levels from each other. One of the pair of control signals has a second voltage level that is different from the first level. The level shifting portion is adapted to level shift an input signal having the first voltage level to generate a level shifter output signal having the second voltage level or a third voltage level depending on the respective logic levels of the pair of control signals. The driving portion is adapted to drive an output signal with the second or third voltage level based on the voltage level of the level shifter output signal.

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