Texas Instruments

CD74HC147PWR

CD74HC147PWR Description

The CD74HC147PWR is a high-performance priority encoder integrated circuit (IC) designed by Texas Instruments. This IC is part of the 74HC series, known for its reliability and efficiency in digital logic applications. The CD74HC147PWR features a1 x 10:4 priority encoding circuit, which means it can encode 10 input signals into a 4-bit binary output. This makes it highly suitable for applications where multiple input signals need to be prioritized and encoded efficiently.

The CD74HC147PWR operates on a single supply voltage ranging from 2V to 6V, providing flexibility in power supply options. It is designed for surface-mount technology (SMT), making it ideal for compact and high-density printed circuit board (PCB) designs. The IC is packaged in a 16-lead thin shrink small outline package (TSSOP), which is suitable for surface-mount applications and offers excellent thermal performance.

CD74HC147PWR Features

• Priority Encoding: The CD74HC147PWR prioritizes input signals, ensuring that the highest priority input is encoded and outputted first. This feature is crucial in applications where multiple signals may arrive simultaneously, and a clear hierarchy needs to be established.
• Single Supply Operation: The IC operates on a single supply voltage ranging from 2V to 6V, simplifying power supply design and reducing the for need additional voltage regulators.
• Surface-Mount Technology: The surface-mount package allows for high-density PCB layouts, making it ideal for modern electronics where space is a premium.
• High Output Current: The CD74HC147PWR can provide up to 5.2mA of output current for both high and low states, ensuring robust signal transmission.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the CD74HC147PWR is suitable for a wide range of environmental conditions, including those with high humidity.
• Compliance: The IC is REACH unaffected and RoHS3 compliant, ensuring it meets latest the environmental and safety standards.
• Packaging: The CD74HC147PWR is available in tape and reel (TR) packaging, facilitating automated assembly processes and ensuring consistent quality.

CD74HC147PWR Applications

The CD74HC147PWR is ideal for a variety of applications where priority encoding is required. Some specific use cases include:

• Microcontroller Interfaces: In systems where multiple interrupt signals need to be prioritized and encoded for microcontroller input.
• Computer Peripherals: For encoding multiple input signals from peripherals such as keyboards, mice, and other input devices.
• Telecommunications: In communication systems where multiple signals need to be prioritized and encoded for transmission.
• Industrial Control Systems: For encoding signals from various sensors and control inputs in industrial automation and control systems.
• Consumer Electronics: In devices such as digital cameras, gaming consoles, and other consumer electronics where multiple input signals need to be managed efficiently.

Conclusion of CD74HC147PWR

The CD74HC147PWR from Texas Instruments is a versatile and reliable priority encoder IC that offers significant advantages in digital logic applications. Its ability to prioritize and encode multiple input signals efficiently makes it an essential component in a wide range of electronic systems. With its single supply operation, high output current, and surface-mount packaging, the CD74HC147PWR is well-suited for modern, compact, and high-density PCB designs. Its compliance with environmental and safety standards ensures it meets the requirements of today's electronics industry. Whether used in microcontroller interfaces, computer peripherals, telecommunications, industrial control systems, or consumer electronics, the CD74HC147PWR provides a robust and efficient solution for priority encoding needs.