Method of operating semiconductor integrated circuit...

Details Method of operating semiconductor integrated circuit... Method of operating semiconductor integrated circuit...

2007-11-27

2007-11-27

Ho, Hoai V. (Department: 2827)

Static information storage and retrieval

Systems using particular element

Flip-flop

C365S185070, C365S226000

Reexamination Certificate

active

11086751

ABSTRACT:
A method of operating a semiconductor integrated circuit including a SRAM block, in which non-volatile data is stored in the SRAM block, is disclosed. In an exemplary embodiment, the non-volatile data is stored by flowing a drain current in one of a pair of pull-down transistors constituting the SRAM cell while supplying a fixed potential to the sources of the pull-down transistors. A semiconductor integrated circuit including a SRAM block and a control circuit that controls the SRAM block to store non-volatile data is also disclosed.

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patent: 6064591 (2000-05-01), Takeuchi et al.
patent: 6768669 (2004-07-01), Schmidt et al.
patent: 2004/0150120 (2004-08-01), Ito
patent: A-6-76582 (1994-03-01), None

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