Programmable level shifter for wide range operation purpose

Details Programmable level shifter for wide range operation purpose Programmable level shifter for wide range operation purpose

2006-09-12

2006-09-12

Tan, Vibol (Department: 2819)

Electronic digital logic circuitry

Interface

Supply voltage level shifting

C326S068000, C326S062000

Reexamination Certificate

active

07106102

ABSTRACT:
A programmable level shifter. The programmable level shifter comprises a first P-type FET, a first N-type FET, a second P-type FET, a second N-type FET, and a programmable device. The first P-type FET is coupled between a fist power line and a non-inverted output node, and a gate pole thereof is coupled to a inverted output node. The first N-type FET is coupled between the first P-type FET and a second power line. The programmable device is coupled between the first power line and the non-inverted output node, which can be programmed to change an effective resistance between the first power line and the inverted output node when the second P-type FET is turned on.

REFERENCES:
patent: 4532436 (1985-07-01), Bismarck
patent: 6888394 (2005-05-01), Cleary et al.

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