The 74ACT11139 is a Dual 2-to-4 Line Decoder/Demultiplexer IC with Active-Low Outputs, designed for high-speed digital systems. Part of the 74ACT advanced CMOS family, it combines fast switching, TTL-compatible inputs, and CMOS output levels, making it ideal for address decoding, memory expansion, data routing, and logic distribution. Each package contains two independent 2-to-4 line decoders, providing compact functionality for system designers. Operating on a 4.5V to 5.5V supply, the 74ACT11139 offers low propagation delay, high noise immunity, and low power consumption. Applications include microprocessor address decoding, embedded systems, IoT controllers, PLCs, industrial automation, and digital communication circuits. NeoGiga India ensures genuine, RoHS-compliant 74ACT11139 ICs with bulk B2B supply, institutional pricing, and nationwide fast delivery, supporting OEMs, startups, R&D labs, and engineers across India.