SEMICONDUCTOR MEMORY DEVICE AND SEMICONDUCTOR DEVICE MOUNTING THE SEMICONDUCTOR MEMORY DEVICE
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United States of America Patent
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Nov 21, 2014
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May 29, 2012
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Abstract
A semiconductor memory device includes a non-volatile device array of once rewritable non-volatile devices arranged in a matrix. The device includes a plurality of non-volatile device sub-arrays formed by dividing the non-volatile device array; a power interconnect contact region provided between at least one of pairs of the plurality of non-volatile device sub-arrays, and connected to a power interconnect provided at an upper layer of the non-volatile device array; and an ESD protection circuit located in the power interconnect contact region between ground and a power source for the non-volatile devices.
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