Anti-fuse circuit and method wherein the read operation and programming operation are reversed
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United States of America Patent
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Apr 5, 1994
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app pub date -
Feb 5, 1993
filing date -
Feb 5, 1993
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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.
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