IC GATE NAND 4CH 2-INP 14SOIC
74S Series Quad 2-Input OR Gate, SOIC-14, 5V, 20mA
Quad 2-Input NAND Buffer, Open Collector, 74S Series, SOIC
74S Quad 2-Input NAND Gate IC, SOIC-14, 5V, 60mA