Bank based self refresh control apparatus in semiconductor memory device and its method

摘要

A partial array self refresh (PASR) control apparatus for use in a semiconductor memory device having a plurality of banks includes: a bank deselection unit having a plurality of bank deselection signal output units for receiving a plurality of PASR code signals, wherein input terminal lines of each bank deselection signal output unit and signal lines of the plurality of PASR code signals are crossed each other and are selectively coupled each other.