Computer-readable medium encoding a back-gate controlled...

Details Computer-readable medium encoding a back-gate controlled... Computer-readable medium encoding a back-gate controlled...

2008-11-05

2010-06-22

Nguyen, Tuan T (Department: 2824)

Static information storage and retrieval

Systems using particular element

Flip-flop

C365S155000, C365S156000, C365S203000

Reexamination Certificate

active

07742327

ABSTRACT:
Techniques are provided for back-gate control in an asymmetrical memory cell. In one aspect, the cell includes five transistors and can be employed for static random access memory (SRAM) applications. An inventive memory circuit can include a plurality of bit line structures, a plurality of word line structures that intersect the plurality of bit line structures to form a plurality of cell locations, and a plurality of cells located at the plurality of cell locations. Each cell can be selectively coupled to a corresponding one of the bit line structures under control of a corresponding one of the word line structures. Each cell can include a first inverter having first and second field effect transistors (FETS) and a second inverter with third and fourth FETS that is cross-coupled to the first inverter to form a storage flip-flop. One of the FETS in the first inverter can be configured with independent front and back gates and can function as both an access transistor and part of one of the inverters.

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