ON Semiconductor 74HC138AN 3-to-8 Line Decoder/Demultiplexer
The 74HC138AN is a high-speed Si-gate CMOS device manufactured by ON Semiconductor, designed to be a versatile component in digital systems. This integrated circuit (IC) is a 3-to-8 line decoder/demultiplexer with inverting outputs, offering a compact and efficient solution for converting binary information from three input lines to eight mutually exclusive outputs.
This device features three binary select inputs (A, B, and C), an enable input (E), and eight mutually exclusive outputs (Y0 to Y7). The 74HC138AN is capable of decoding a three-bit address into one of eight active-low outputs. This functionality makes it ideal for a variety of applications, including memory chip selection, data routing, and control signal generation in digital systems.
The 74HC138AN operates with a wide supply voltage range from 2V to 6V, which allows it to be used in both TTL and CMOS environments. It has a typical low power consumption, which is a hallmark of CMOS technology, making it suitable for battery-operated devices. Additionally, the device has a high noise immunity and is capable of driving up to 10 LSTTL loads.
The IC comes in a standard 16-pin DIP (Dual In-line Package) which is easy to handle and integrate into a wide range of electronic circuits. The pin configuration is designed to simplify the PCB layout. Moreover, the 74HC138AN is characterized for operation from -55°C to +125°C, ensuring reliable performance across diverse environmental conditions.
ON Semiconductor's commitment to quality ensures that the 74HC138AN meets strict standards for performance and reliability. This decoder/demultiplexer is a practical choice for designers looking to implement efficient address decoding or data distribution functionalities within their digital logic designs.
Overall, the 74HC138AN from ON Semiconductor is a robust and reliable component that provides a simple and effective solution for complex digital decoding tasks. Its wide operating voltage range, low power consumption, and high noise immunity make it a versatile choice for a myriad of digital applications.