US Patent 7701257 Data receiver and semiconductor device including the data receiver

The invention is directed to data receivers such as those used in semiconductor devices. Embodiments of the invention provide a loop unrolling DFE receiver that uses analog control signals from each equalizer to avoid timing delays associated with the use of latched digital control signals in the conventional art. In addition, embodiments of the invention implement each equalizer with a single sense amplifier based flip flop (SAFF) to reduce circuit size and power consumption.