The NXP 74F157A is a high-performance, fast switching quad 2-input multiplexer that provides the functionality of four individual 2-to-1 data selectors/multiplexers. It is designed to deliver the speed and power efficiency required in advanced digital systems. This multiplexer is ideal for applications where multiple data sources need to be routed to a single destination.
Key Features
- Efficient Design: The 74F157A features a typical propagation delay of just 4.5ns, ensuring rapid data selection and minimal lag in critical applications.
- Low Power Consumption: With a power dissipation of just 40μA in the off state and 16mA in the logical "1" state, it is optimized for power-sensitive designs.
- High Noise Immunity: Equipped with a 1V typical noise margin, the 74F157A is robust against electrical noise, making it suitable for industrial environments.
- Wide Operating Voltage: It operates over a wide voltage range from 4.5V to 5.5V, providing flexibility in various system designs.
- Standard Pin Configuration: The device comes in a standard 16-pin plastic DIP package, compatible with existing circuit board layouts.
Applications
The NXP 74F157A is versatile and can be used in a variety of digital systems, including:
- Data routing and signal gating
- Function generation
- Arithmetic operations
- Computer memory systems
- Digital communication systems
Technical Specifications
Parameter
Value
Supply Voltage (V<sub>CC)
4.5V to 5.5V
High-Level Input Voltage (V<sub>IH)
2V min
Low-Level Input Voltage (V<sub>IL)
0.8V max
Propagation Delay (t<sub>pd)
4.5ns typical
Operating Temperature
0°C to +70°C
With its combination of speed, power efficiency, and noise immunity, the NXP 74F157A is an excellent choice for designers looking to implement a reliable and high-performance multiplexing solution in their digital systems.
