NXP PC74HC157T Quadruple 2-Input Multiplexer

The NXP PC74HC157T is a high-speed Si-gate CMOS device that provides a versatile selection function in various digital applications. This quadruple 2-input multiplexer is designed to select four bits of data from two sources under the control of a common data select input. The device is well-suited for implementing non-inverting functions with its four identical 2-input multiplexers, each with a separate output enable input.

Key Features

• Logic Family: The PC74HC157T is part of the high-speed CMOS family, known for its robust performance and compatibility with a wide range of operating conditions.
• Supply Voltage Range: It operates with a supply voltage range of 2.0V to 6.0V, which allows for use in systems that require low power consumption.
• High Noise Immunity: The device features a high noise immunity characteristic of the CMOS family, ensuring reliable operation even in noisy environments.
• Low Power Dissipation: With its CMOS technology, the PC74HC157T exhibits significantly low power dissipation compared to its TTL counterparts.
• Speed: It boasts a high-speed performance which is comparable to the equivalent TTL devices.
• Output Drive Capability: The multiplexer can drive up to 10 LSTTL loads, providing ample current for most applications.
• Package: The product is available in a 16-lead SO (small outline) package, making it suitable for space-constrained applications.
• Functionality: The common select input determines which of the two 4-bit input sources is routed to the output, while the output enable controls the state of the output, allowing for additional flexibility in data routing and control.

Applications

The NXP PC74HC157T is ideal for a variety of digital systems where data routing and selection are needed. Typical applications include:

• Data routing in multiprocessor systems
• Function generators
• Signal gating
• Control systems
• Communication systems

With its high-speed operation and low power consumption, the NXP PC74HC157T multiplexer is an excellent choice for designers looking to create efficient and reliable digital systems.