High speed level shifter circuit in advanced CMOS technology

Details High speed level shifter circuit in advanced CMOS technology High speed level shifter circuit in advanced CMOS technology

2006-04-04

2009-06-30

Barnie, Rexford (Department: 2819)

Electronic digital logic circuitry

Interface

Logic level shifting

C326S081000

Reexamination Certificate

active

07554360

ABSTRACT:
A level shifter circuit for shifting from a first voltage level technology (such as 0.9 volt) to a second level voltage technology (such as 3.3 volt) with increased switching speed. The increased speed is achieved by adding a boost circuit to the pull-up transistors to boost the switching speed and shut itself down after the transition. The level shifter circuit does not require intermediate level transistors or intermediate level voltage sources.

REFERENCES:
patent: 4888498 (1989-12-01), Kadakia
patent: 5444396 (1995-08-01), Soneda
patent: 7071730 (2006-07-01), Cordoba
patent: 7145363 (2006-12-01), Kim
patent: 2005/0258864 (2005-11-01), Chen et al.

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