SCL type FPGA with multi-threshold transistors and method...

Details SCL type FPGA with multi-threshold transistors and method... SCL type FPGA with multi-threshold transistors and method...

2008-05-20

2008-05-20

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

C326S047000, C326S101000

Reexamination Certificate

active

07375548

ABSTRACT:
A new scheme of Schottky FPGA (SFPGA) IC solution is proposed. The chip is organized by embedded analog, memory, and logic units with on chip apparatus and software means to partitioning, altering selected portions of hardware. The process means is based on the combined Schottky CMOS (SCMOS, U.S. Pat. No. 6,590,800) and Flash technology. The circuit means is based on SCMOS-DTL gate arrays. Software means is based on the C++ procedures with levels of LUT. The SFPGA device supports GHz low power ASIC mixed signal product applications with embedded analog, logic, and memory array units. Several multiplexing schemes are disclosed, which accommodate tasks to vary the Vt and transmission line transmission of selected transistor or IO nets, and therefore their analog and digital device properties. A voltage doubler and supply booster and a Digital-Analog-Digital-Translator (DADT) apparatus are also disclosed in accordance with the present invention. Accordingly, the present invention includes control schemes to field program basic circuit element or any critical nets, and to alter the functionality of certain predetermined circuit units, and update array interconnections, accessing stored protocols, algorithms in all chips in the embodiment subsystem of a SFPGA chip sets.

REFERENCES:
patent: 4507649 (1985-03-01), Dingwall et al.
patent: 6242945 (2001-06-01), New
patent: 7061419 (2006-06-01), Sushihara et al.
patent: 2005/0093611 (2005-05-01), Fujita et al.
patent: 2005/0146352 (2005-07-01), Madurawe

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