AT24C128N-SI27 AT24C128NSI27(A) AT24C128N-SI27A AT24C128N-SI27B AT24C128N-SQ-2.7 AT24C128N-SQ27 AT24C128N-SU AT24C128N-SU1.8 AT24C128N-SU18S7 AT24C128NSU2.7