Part Number	Manufacturer / Brand	Brife Description
7403	FAIRCHILD	Quad 2-Input NAND Gates with Open-Collector Outputs IC
74035FC	Texas Instruments （TI）	74035FC TI SOIC14 IC
740380J137BWS	STMicroelectronics	740380J137BWS STM IC BGA
7403DC	FAIRCHILD	7403DC FAIRCHILD IC DIP-14
7403PC	FAIRCHILD	7403PC FAIRCHILD IC DIP