Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Reexamination Certificate
2008-03-25
2010-11-23
Pham, Long (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Having insulated electrode
C257S314000
Reexamination Certificate
active
07838944
ABSTRACT:
A non-volatile programmable memory cell suitable for use in a programmable logic array includes a non-volatile MOS transistor of a first conductivity type in series with a volatile MOS transistor of a second conductivity type. The non-volatile MOS transistor may be a floating gate transistor, such as a flash transistor, or may be another type of non-volatile transistor such as a floating charge-trapping SONOS, MONOS transistor, or a nano-crystal transistor. A volatile MOS transistor, an inverter, or a buffer may be driven by coupling its gate or input to the common connection between the non-volatile MOS transistor and the volatile MOS transistor.
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Copending U.S. Appl. No. 11/152,019, filed Jun. 13, 2005 entitled “Isolated-Nitride-Region Non-Volatile Memory Cell and Fabrication Method.”
Dhaoui Fethi
Hawley Frank
McCollum John
Wilkinson Leslie
Actel Corporation
Lewis and Roca LLP
Pham Long
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