Programmable logic with programmable volatility

Details Programmable logic with programmable volatility Programmable logic with programmable volatility

2006-12-26

2006-12-26

Chang, Daniel D. (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Array

C326S038000, C716S030000

Reexamination Certificate

active

07154297

ABSTRACT:
Volatility of a programmable logic device (PLD) or field programmable gate array (FPGA) is selectable to be volatile or nonvolatile. In the volatile mode, configuration or other data of the integrated circuit are lost once power is removed from the integrated circuit. In the nonvolatile mode, configuration or other data is retained even when power is removed from the integrated circuit. Upon power-up, in nonvolatile mode, the integrated circuit does not need external data. In an embodiment, the mode, whether volatile or nonvolatile, may be selected during manufacturing. In other embodiment, the mode may be selected by other means, such as by the user.

REFERENCES:
patent: 6538468 (2003-03-01), Moore
patent: 6839873 (2005-01-01), Moore

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