74VHC161MXIC COUNTER BINARY 4BIT 16SOIC|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74LV161ADR SN74LV161ADR 74VHC161MTCXIC COUNTER BINARY 4BIT 16TSSOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74LV161APWR SN74LV161APWR