Load and short current measurement by current summation technique
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United States of America Patent
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Nov 11, 2014
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N/A
app pub date -
Apr 16, 2014
filing date -
Jan 30, 2013
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Abstract
Methods for monitoring one or more load currents corresponding with one or more voltage regulators used during operation of a semiconductor memory are described. The one or more load currents may be due to the biasing of memory cells within a memory array or due to the presence of shorts between lines in the memory array. A plurality of load currents corresponding with a plurality of voltage regulators may be monitored in real-time before and during biasing of one or more memory arrays. The plurality of load currents may be monitored using a configurable load current monitoring circuit that uses a current summation technique. The ability to monitor the plurality of load currents before performing a programming operation on a memory array allows for remapping of defective portions of the memory array and modification of programming bandwidth prior to the programming operation.
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