Configurable switch with selectable level shifting

Details Configurable switch with selectable level shifting Configurable switch with selectable level shifting

2006-12-05

2006-12-05

Tra, Quan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

C327S434000

Reexamination Certificate

active

07145378

ABSTRACT:
A configurable bus switch is described where the bus switches are grouped into combinations as determined by logic inputs. NMOS transistors are the bus switches of choice, and programmable logic inputs select and enable groupings of these switches. Switch enable signals drive the NMOS transistor gates and turn on or off the groups according to the programmable logic inputs. Level shifting and undervoltage protection circuitry is described in preferred embodiments.

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International Search Report, International Application No. PCT/US 02/20930 (all pages).

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