Anti-fuse circuit and method wherein the read operation and prog

Details Anti-fuse circuit and method wherein the read operation and prog Anti-fuse circuit and method wherein the read operation and prog

1993-02-05

1994-04-05

LaRoche, Eugene R.

Static information storage and retrieval

Read/write circuit

Having fuse element

365 96, 257 50, 257530, G11C 1700

Patent

active

053011597

ABSTRACT:
The invention features a circuit wherein a serially connected transistor and anti-fuse element are biased for current to flow in a first direction or the current flows in the first direction during a programming operation and biased for a current to flow in a second direction or current is flowing in the second direction during a normal circuit operation, such as a read operation, wherein the first and second directions are opposite of one another. Thus the invention facilitates the use of a low programming potential while minimizing leakage current.

REFERENCES:
patent: 4943538 (1990-07-01), Mohsen et al.
patent: 5008855 (1991-04-01), Eltoukhy et al.
patent: 5119163 (1992-06-01), Ishihara et al.
patent: 5148391 (1992-09-01), Zagar
patent: 5241496 (1993-04-01), Lowrey et al.

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