Switch matrix circuit, logical operation circuit, and switch...

Details Switch matrix circuit, logical operation circuit, and switch... Switch matrix circuit, logical operation circuit, and switch...

2007-05-15

2007-05-15

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Array

C326S039000, C326S040000, C326S047000

Reexamination Certificate

active

11023831

ABSTRACT:
A switch circuit that is simple in constitution and capable of reliably controlling a switch cell is provided. Since the, gate terminal G1of a transistor M1in a switch cell SC is connected only to the terminal37of a transistor M2, when the transistor M2is set to off, the moving path of the charge accumulated at the gate G1of the transistor M1is shut off. Consequently, even if the transistor M2is set to an on state and immediately set back to an off state, the transistor M1remains for some period of time in an on or off state corresponding to the switching data given through a bit line BL. It is possible to cause the transistor M1to remain in an on or off state for a specified period of time without disposing a specific circuit for temporary storing the switching data.

REFERENCES:
patent: 5898317 (1999-04-01), Gardner et al.
patent: 6025735 (2000-02-01), Gardner et al.

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