Texas Instruments

CD4515BE

CD4515BE Description

The CD4515BE is a 1 x 4:16 decoder/demultiplexer integrated circuit (IC) from Texas Instruments, part of the 4000B series. This IC is designed for applications requiring efficient signal decoding and demultiplexing. It features a single independent circuit with a 1 x 4:16 configuration, allowing it to decode four input lines into sixteen output lines. The CD4515BE operates on a dual supply voltage ranging from 3V to 18V, making it versatile for various power supply configurations.

The CD4515BE is housed in a through-hole package, specifically a 24-pin dual in-line package (DIP), which is ideal for applications where board space is not a critical constraint. This packaging type facilitates easy integration into printed circuit boards (PCBs) and provides robust mechanical stability. The IC is rated for a moisture sensitivity level (MSL) of 1, indicating it is unaffected by moisture and can be stored and used in a wide range of environmental conditions.

CD4515BE Features

• 1 x 4:16 Decoder/Demultiplexer: The CD4515BE can decode four input lines into sixteen output lines, providing a high degree of signal expansion.
• Dual Supply Voltage: Operates on a dual supply voltage ranging from 3V to 18V, offering flexibility in power supply design.
• Through-Hole Mounting: The 24-pin DIP package is suitable for through-hole mounting, ensuring reliable mechanical and electrical connections.
• High Output Current Capability: The IC supports an output current of 6.8mA for both high and low states, enabling it to drive a variety of loads effectively.
• Obsolete Status: While the CD4515BE is now obsolete, it remains a reliable choice for legacy systems and applications where its unique features are still required.
• Compliance and Safety: The CD4515BE is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards for electronic components.

CD4515BE Applications

The CD4515BE is well-suited for a variety of applications where signal decoding and demultiplexing are necessary. Some specific use cases include:

• Digital Systems: Ideal for expanding address lines in memory systems or decoding control signals in microprocessor-based systems.
• Industrial Control: Used in industrial automation for decoding control signals to drive actuators or relays.
• Telecommunications: Employed in signal routing and switching applications within telecommunication equipment.
• Consumer Electronics: Applied in devices requiring efficient signal distribution, such as multi-channel audio systems or display controllers.

Conclusion of CD4515BE

The CD4515BE, despite its obsolete status, remains a valuable component for specific applications requiring a robust 1 x 4:16 decoder/demultiplexer. Its dual supply voltage capability, high output current, and reliable through-hole packaging make it a versatile choice for a range of electronic systems. While newer alternatives may offer additional features or improved performance, the CD4515BE continues to serve as a reliable option for legacy systems and applications where its unique capabilities are essential. For engineers and designers working with legacy systems or seeking a proven solution for signal decoding and demultiplexing, the CD4515BE remains a viable and effective choice.