STMicroelectronics M74ACT257RM13TR Multiplexer

The M74ACT257RM13TR is a high-speed quad 2-input multiplexer from STMicroelectronics, designed to select one of two inputs to each output under the control of a common data select input. This device is part of STMicroelectronics' ACT (Advanced CMOS Technology) series, which is known for combining the speed of CMOS with the density and low power performance of TTL circuits.

With its advanced design, the M74ACT257RM13TR offers a significant improvement in the speed-performance trade-off when compared to standard CMOS devices. It operates at a voltage range of 4.5V to 5.5V, making it compatible with TTL logic levels while delivering the benefits of CMOS technology, such as reduced power consumption and increased noise immunity.

The multiplexer features a 3-state non-inverting output which can be put in a high impedance state, thus allowing for bused output configurations and providing a greater flexibility in complex circuit designs. This makes the M74ACT257RM13TR ideal for use in applications where output port contention may occur, such as data routing, signal gating, and multiplexing in communication systems, computer networks, and control systems.

Each multiplexer has two select inputs which control the input data flow. The device ensures glitch-free data switching, which is critical in high-speed digital circuits. The fast switching capability and the low propagation delay of the M74ACT257RM13TR make it an excellent choice for high-performance applications where timing is crucial.

The M74ACT257RM13TR comes in a compact TSSOP-16 package, which is ideal for space-constrained applications. Its surface-mount package allows for efficient PCB layout and is suitable for automated assembly processes, making it a good fit for mass production requirements.

In summary, the M74ACT257RM13TR from STMicroelectronics is a versatile and high-speed quad 2-input multiplexer that offers low power consumption, high noise immunity, and the reliability of CMOS technology. It is well-suited for a wide range of applications that require efficient data selection and routing.