controllersUS7571330May 25, 2005Aug 4, 2009Rambus Inc.System and module including a memory device having a power down modeUS7574616Sep 17, 2004Aug 11, 2009Rambus Inc.Memory device having a power down exit registerUS7581121Jun 14, 2005Aug 25, 2009Rambus Inc.System for a memory device having a power down mode and methodUS7596708Apr 25, 2006Sep 29, 2009Sameer HalepeteAdaptive power controlUS7626880A