INTEGRATO SN 74LS38 - Quad 2-input NAND Buffer (Open Collector)

INTEGRATO SN 7437 - quad 2-input NAND buffer

INTEGRATO SN 74LS33 - quad 2-input NOR buffer with open collector outputs

INTEGRATO SN 74LS37 - Quad 2-input NAND Buffer

INTEGRATO SN 74LS26 - quad 2-input NAND gate with 15 V open collector outputs

INTEGRATO SN 74LS09 - Quad 2-Input AND Gates with Open-Collector Outputs

INTEGRATO SN 7416 - hex inverter buffer/driver with 15 V open collector outputs

INTEGRATO SN 74HC00 - (n. 3 pz) Quad 2-Input NAND Gate