STMicroelectronics

HCF4042BEY

HCF4042BEY Description

The HCF4042BEY is a differential output quad latch designed and manufactured by STMicroelectronics. This component is part of the 4000B series and is packaged in a 16-DIP tube. It is classified under the category of latches and is designed to provide reliable performance in various electronic applications. Although the product status is marked as obsolete, it remains a robust solution for specific use cases.

HCF4042BEY Features

• Output Type: Differential, ensuring accurate signal transmission.
• ECCN: EAR99, indicating it is not subject to export controls.
• Independent Circuits: 1, allowing for versatile application in various configurations.
• Circuit: 4:4, providing four independent latches in a single package.
• Mounting Type: Through Hole, facilitating easy installation in PCB designs.
• Series: 4000B, part of a well-established family of latches.
• Voltage - Supply: 3V to 20V, offering flexibility in power supply options.
• REACH Status: REACH Unaffected, ensuring compliance with European chemical regulations.
• Delay Time - Propagation: 40ns, providing fast signal processing.
• HTSUS: 8542.39.0001, for customs classification.
• Package: Tube, suitable for bulk storage and handling.
• RoHS Status: ROHS3 Compliant, adhering to environmental standards.
• Base Product Number: HCF4042, indicating the core product line.
• Current - Output High, Low: 6.8mA, ensuring consistent output across different states.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating it is not sensitive to moisture.

HCF4042BEY Applications

The HCF4042BEY is ideal for applications where multiple data streams need to be latched and synchronized. Its differential output and fast propagation delay make it suitable for:

• Data Communication Systems: For buffering and synchronizing data in communication interfaces.
• Industrial Automation: In control systems where multiple signals need to be managed.
• Telecommunications: For signal processing in telephone exchanges and network equipment.
• Audio/Video Equipment: For signal buffering in audio and video processing circuits.

Conclusion of HCF4042BEY

While the HCF4042BEY is classified as obsolete, it remains a reliable and robust solution for applications requiring differential output quad latches. Its fast propagation delay, wide voltage range, and compliance with environmental standards make it a suitable choice for legacy systems and specific applications where modern alternatives may not be compatible. Despite its obsolescence, the HCF4042BEY continues to offer performance benefits in niche markets and applications where its unique features are required.