Integrated circuit including programmable circuit

Details Integrated circuit including programmable circuit Integrated circuit including programmable circuit

1990-02-16

1991-10-15

Popek, Joseph A.

Static information storage and retrieval

Powering

Data preservation

365236, 365233, G11C 1400

Patent

active

050580744

ABSTRACT:
In an integrated circuit comprising a programmable circuit and a non-volatile chip formed on the same chip, a volatile memory, instead of the non-volatile memory, is disposed within the programmable circuit, and a circuit is further provided for transferring program data between the non-volatile memory and the volatile memory. By placing the non-volatile memory outside the programmable circuit, the interior of the programmable circuit is not exposed to the high voltage required for writing to the non-volatile memory, and program data can be rapidly and easily transfered between the memories.

REFERENCES:
patent: 4761647 (1988-08-01), Hallenbeck et al.
IEEE Journal of Solid-State Circuits, vol SC21, No. 5, Oct. 1986, Sau-Ching Wong et al., "Novel Circuit Techniques for Zero-Power 25-ns CMOS Erasable Programmable Logic Devices (EPLD's)", pp. 766-773.

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