Texas Instruments Dual Logic IC 54LS21DMQB

AND GATE, LS SERIES / AND Gate IC 2 Channel 14-CDIP Product overview: 54LS21DMQB from National Semiconductor is a Logic IC for digital control, signal routing, level logic, timing, buffering, and embedded board design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Dual. Search-friendly keywords include logic IC, gate, inverter, buffer, digital signal, Dual, Gates and Inverters. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 705-54LS21DMQB can be used for catalog matching and distributor lookup.