54ACT158 Quad 2-Input Multiplexer(?????2????????
54ACT158D Quad 2-Input Multiplexer
54ACT158DM 2-Input Digital Multiplexer
54ACT158DMQB 2-Input Digital Multiplexer
54ACT158F Quad 2-Input Multiplexer
54ACT158FM 2-Input Digital Multiplexer
54ACT158FMQB 2-Input Digital Multiplexer
54ACT158L Quad 2-Input Multiplexer
54ACT158LM 2-Input Digital Multiplexer
54ACT158LMQB 2-Input Digital Multiplexer