Programmable logic devices with stabilized configuration...

Static information storage and retrieval – Systems using particular element – Flip-flop

Reexamination Certificate

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C365S154000, C365S189050

Reexamination Certificate

active

06876572

ABSTRACT:
Programmable logic devices are provided having configuration memory cells that exhibit decreased soft error rates. A stabilizing capacitor may be connected between each of the memory cell's input and output terminals. The capacitor may be a metal-insulator-metal capacitor formed using a vertical structure, a horizontal structure, or a hybrid vertical-horizontal structure. The memory cell may have inverter transistors of increased strength to help stabilize the memory cell.

REFERENCES:
patent: 4513167 (1985-04-01), Brandstetter
patent: 5739564 (1998-04-01), Kosa et al.
patent: 6259643 (2001-07-01), Li
patent: 6368514 (2002-04-01), Metzler
patent: 20030038303 (2003-02-01), Hashimoto et al.
patent: 0357980 (1990-03-01), None

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