Product Overview: 74HC251D by NXP Semiconductors

The 74HC251D is a high-speed Si-gate CMOS device and is pin compatible with low-power Schottky TTL (LSTTL). Manufactured by NXP Semiconductors, a leader in the electronics industry, the 74HC251D is part of the 74HC series, known for its robust performance and versatility in a wide range of digital applications. This particular chip is an 8-input multiplexer with three-state outputs that allow for connection to a bus or common signal line.

Key Features

• Logic Type: 8-input multiplexer with 3-state outputs.
• Package: The 74HC251D comes in a standard SOIC-16 package, providing a compact footprint for space-constrained applications.
• Supply Voltage Range: 2.0 to 6.0 V, accommodating a variety of logic level requirements and ensuring compatibility with both 5V and 3.3V systems.
• Operating Temperature: The device is designed to operate over a -40°C to +125°C temperature range, making it suitable for industrial applications.
• High Noise Immunity: The 74HC251D features an inherent high noise immunity characteristic of CMOS devices.
• Low Power Consumption: Its CMOS technology ensures low power dissipation, making it ideal for battery-operated devices.

Applications

The 74HC251D is a versatile component that can be used in a variety of digital circuits. Its primary function is to select one of the eight data inputs to the output based on the select inputs. Common applications include:

• Data multiplexing
• Signal gating
• Function generation
• Logic implementation
• Computer memory addressing
• Communication systems

Quality and Reliability

NXP Semiconductors is committed to delivering high-quality products. The 74HC251D is subjected to rigorous testing and quality control measures to ensure reliable performance in critical applications. With its durable construction and the ability to work under a wide range of environmental conditions, the 74HC251D is a component you can trust for your digital circuit designs.

Whether you're designing consumer electronics, industrial control systems, or complex computing devices, the 74HC251D offers the functionality and performance needed to meet the demands of your application.