4-Ch 2-Line Mux IC, 110MHz, 5.5V, TSSOP
SN74AHCT157PWR
Quad 2:1 Mux IC, 4.5-5.5V, 8mA, TSSOP-16, Surface Mount
Quad 2:1 Mux IC, 4-Bit, 8.7ns, 5.5V, TSSOP