Patent ID: 7561489
Filing Date: 2009-07-14
Classification: G11C

Abstract:
1. A selective row energization system comprising: a storage array having M rows and N columns; an N-bit data word register operably connected to the N columns; a uniform-detect circuit responsive to a data word in the N-bit data word register to generate a uniform word data bit for the data word, the uniform word data bit having a first value when the data word is uniform and having a second value when the data word is not uniform; an M-bit uniform-detect register having M uniform-detect latches, the M-bit uniform detect register being operably connected to the M rows, each of the M uniform-detect latches being associated with one of the M rows and storing the uniform word data bit for the data word stored in the associated M row; and an M-bit row driver device operably connected to the M rows, the M-bit row driver device being responsive to the uniform word data bit for each of the M rows to inhibit energization of the M rows for which the uniform word data bit is the first value and being responsive to the uniform word data bit for each of the M rows to allow energization of the M rows for which the uniform word data bit is the second value.