onsemi

DM74AS646WM

DM74AS646WM Description

The DM74AS646WM is a high-performance, inverting transceiver logic IC chip from onsemi, designed for a wide range of digital communication applications. This device is part of the 74AS series, known for its robustness and reliability in various electronic systems. The DM74AS646WM operates within a supply voltage range of 4.5V to 5.5V and features an operating temperature range of 0°C to 70°C (TA), making it suitable for industrial and commercial environments. The chip is packaged in a 24SOP (Small Outline Package) and is available in a tube packaging format, ensuring ease of handling and integration into surface-mount designs.

DM74AS646WM Features

The DM74AS646WM offers several key features that distinguish it from other transceiver ICs in the market:

• Inverting Transceiver Logic: This feature allows for bidirectional data transmission with signal inversion, which is essential for certain communication protocols and can help reduce noise and improve signal integrity.
• High Output Current Capability: With an output high current of 15mA and an output low current of 48mA, the DM74AS646WM can drive multiple loads efficiently, ensuring reliable performance even under demanding conditions.
• Surface Mount Technology (SMT): The surface mount mounting type facilitates easy integration into compact and high-density PCB designs, which is crucial for modern electronics where space is often a premium.
• Wide Operating Temperature Range: The 0°C to 70°C (TA) operating temperature range ensures that the DM74AS646WM can maintain stable performance across various environmental conditions, making it ideal for both indoor and outdoor applications.
• Moisture Sensitivity Level (MSL) 1: This indicates that the device is not moisture-sensitive, allowing for unlimited storage time without the need for special handling or packaging, which simplifies inventory management and reduces costs.
• REACH Compliance: The DM74AS646WM is REACH unaffected, ensuring compliance with stringent environmental and safety regulations, which is important for global market acceptance.

DM74AS646WM Applications

The DM74AS646WM is ideal for a variety of applications due to its versatile features and robust performance:

• Data Communication Systems: The inverting transceiver logic makes it suitable for systems requiring bidirectional data transfer, such as local area networks (LANs) and other digital communication interfaces.
• Industrial Control Systems: The wide operating temperature range and high output current capability make it a reliable choice for industrial applications where robustness and reliability are paramount.
• Consumer Electronics: The compact 24SOP package and surface mount technology allow for seamless integration into consumer electronics, such as smartphones, tablets, and other portable devices.
• Automotive Electronics: The DM74AS646WM can be used in automotive applications where high reliability and performance are required, such as in-vehicle infotainment systems and electronic control units (ECUs).

Conclusion of DM74AS646WM

The DM74AS646WM from onsemi is a versatile and reliable inverting transceiver logic IC chip that offers a wide range of features and benefits. Its high output current capability, wide operating temperature range, and surface mount technology make it an excellent choice for a variety of applications, from data communication systems to industrial and consumer electronics. Despite its obsolete status, the DM74AS646WM remains a valuable component for engineers and designers looking for a robust and reliable solution for their digital communication needs.