The HCF4515BE is a versatile integrated circuit from STMicroelectronics, designed to cater to a wide array of digital applications. This device is a 4-bit latched/4-to-16 line decoder which incorporates a 4-bit latch and can directly drive 16 lines.

Key Features

• High-Decoding Capability: The HCF4515BE is capable of decoding a 4-bit input into one of sixteen mutually exclusive outputs, making it ideal for a variety of decoding applications.
• Latching Function: With an in-built latching feature, the device can store a 4-bit word. This is particularly useful for applications that require data retention without constant refresh.
• Direct Drive to Output Lines: The outputs are capable of directly driving the line without needing additional drivers, simplifying design and reducing component count.
• Medium-Speed Operation: It operates at a moderate speed which is suitable for a variety of general-purpose applications without the need for high-speed performance.
• Standardized Symmetrical Output Characteristics: The outputs have symmetrical characteristics which ensure predictable performance across different operating conditions.
• 100% Tested for Quiescent Current at 20V: Each device is rigorously tested for quiescent current, ensuring reliability and power efficiency at a voltage of 20V.
• Maximum Input Current of 1 µA at 18V: The device is designed for low input current, making it an excellent choice for power-sensitive applications.
• 5V, 10V, and 15V Parametric Ratings: The HCF4515BE is rated for multiple voltage levels, providing flexibility in different circuit designs and ensuring compatibility with various logic levels.

Applications

The HCF4515BE is suitable for a wide range of applications, including:

• Decoding and multiplexing applications
• Memory address decoding
• Binary-to-decimal decoding
• Control systems
• Data routing
• LED displays and indicator panels

STMicroelectronics' commitment to quality and performance is evident in the HCF4515BE, making it a reliable choice for designers and engineers looking for a 4-to-16 line decoder with latching capabilities.