STMicroelectronics

74VHCT238ATTR

74VHCT238ATTR Description

The 74VHCT238ATTR is a high-performance logic IC chip from STMicroelectronics, designed as a 1 x 3:8 decoder/demultiplexer. This obsolete component, part of the 74VHCT series, offers a single independent circuit with a 3:8 decoding function. It is designed for surface-mount applications and operates on a single supply voltage ranging from 4.5V to 5.5V. The device is packaged in a 16-TSSOP format and is available in tape and reel (TR) packaging, making it suitable for automated assembly processes.

74VHCT238ATTR Features

• Series and Type: The 74VHCT238ATTR belongs to the 74VHCT series, known for its high-speed performance and compatibility with TTL and CMOS logic levels. As a decoder/demultiplexer, it efficiently converts 3-bit binary input into one of eight possible outputs.
• Supply Voltage: It operates within a supply voltage range of 4.5V to 5.5V, ensuring reliable performance across a variety of power supply conditions.
• Output Current: The device can deliver up to 8mA for both high and low outputs, providing robust current capabilities for driving various loads.
• Compliance and Status: The 74VHCT238ATTR is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited storage conditions.
• Mounting and Packaging: The surface-mount technology (SMT) ensures ease of integration into modern PCB designs. The tape and reel packaging format is ideal for high-volume production and automated assembly lines.

74VHCT238ATTR Applications

The 74VHCT238ATTR is ideal for applications requiring efficient decoding and demultiplexing functions. Its 3:8 decoding capability makes it suitable for:

• Digital Systems: Used in digital systems where multiple outputs need to be controlled based on a few input signals.
• Memory Address Decoding: Ideal for decoding memory addresses in microprocessor systems, enabling efficient memory management.
• Signal Routing: Effective in routing signals in complex electronic systems, ensuring proper signal distribution.
• Control Systems: Utilized in control systems where multiple outputs need to be activated based on specific input conditions.

Conclusion of 74VHCT238ATTR

The 74VHCT238ATTR, despite being obsolete, remains a valuable component in the realm of logic IC chips. Its robust performance, compatibility with various power supply conditions, and compliance with environmental standards make it a reliable choice for applications requiring efficient decoding and demultiplexing. While newer alternatives may exist, the 74VHCT238ATTR continues to offer unique benefits and advantages, particularly in legacy systems and applications where its specific features are required.