SPDT Analog Switch, 1-Ch, 1.65-5.5V, 15R, SC Package
Single-Ended Multiplexer, 1 Func, 2 Channel, CMOS, PDSO6, 1.25 MM, EIAJ SC88, SC-70, 6 PIN
NC7SBU3157P6X
Low-Power Dual Schmitt Trigger, 5.5V, 180mW, SOIC-8
Fairchild NC7SBU3157 / Fairchild NC7SBU3157P6X