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Abstract

A synchronous semiconductor memory device including a memory cell array and a plurality of input receivers to sample address information synchronously with respect to a clock signal. The address information includes a row address and a column address. The memory device further includes a plurality of sense amplifiers to sense data from a row of the memory cell array, the row of the memory cell array being identified by the row address. Furthermore, the memory device includes a plurality of column decoders coupled to the plurality of sense amplifiers to access, based on the column address, a plurality of data bits of the data sensed by the plurality of sense amplifiers. In addition, the memory device includes a plurality of output drivers to output the plurality of data bits, the plurality of output drivers outputs a first portion of the plurality of data bits synchronously with respect to a rising edge transition of the first clock signal, and the plurality of output drivers outputs a second portion of the plurality of data bits synchronously with respect to a falling edge transition of the first clock signal.

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First Claim