INTEGRATO SN 7438 - quad 2-input NAND buffer with open collector outputs

INTEGRATO SN 74LS37 - Quad 2-input NAND Buffer

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

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

INTEGRATO SN 74S00 - Quad 2-Input NAND Gate

INTEGRATO SN 74HCT00 - Quad 2-Input NAND Gate

INTEGRATO SN 7440 - dual 4-input NAND buffer

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