DM74157N IC – Quad 2-to-1 Data Selector / Multiplexer | National Semiconductor

MPN:DM74157N
The DM74157N is a quad 2-to-1 multiplexer (data selector) from National Semiconductor, belonging to the 74xx TTL logic family. It allows one of two data inputs to be selected and routed to the output based on a common select line. The device also features an active-low enable input, making it suitable for data routing, bus selection, signal switching, and digital control circuits. The N suffix denotes a DIP through-hole package, ideal for prototyping and industrial applications.