DM74LS157 Datasheet PDF Index: Compare All Manufacturers

Manufacturer	Part Number	Description
Fairchild (now onsemi)	DM74LS157	Quad 2-Line to 1-Line Data Selectors/Multiplexers
National Semiconductor (now Texas Instruments)	DM74LS157	Quad 2-Line to 1-Line Data Selectors/Multiplexers