The HCF4028BEY is a high-performance integrated circuit manufactured by STMicroelectronics, a leader in the semiconductor industry. This versatile device is a BCD-to-Decimal or Binary-to-Octal decoder designed to convert binary coded data into decimal (0-9) or octal (0-7) outputs. It is commonly used in a wide range of digital applications, including computing systems, automated equipment, and electronic instrumentation where binary to decimal or octal conversion is required.

Key Features

• Logical Configuration: The HCF4028BEY is designed with a 4-bit BCD input structure and provides 10 fully decoded outputs, making it suitable for decoding binary inputs from 0000 to 1001.
• High Voltage Type: This device can operate at a wide range of voltages from 3V to 15V, providing flexibility in various application voltages and ensuring compatibility with TTL (Transistor-Transistor Logic) levels.
• Medium Speed Operation: With a typical propagation delay time of 160ns, the HCF4028BEY offers a balanced performance for applications that require a moderate speed of operation.
• Standardized Symmetrical Output Characteristics: The outputs are designed to provide symmetrical characteristics, ensuring reliable and predictable performance across different operating conditions.
• 100% Tested for Quiescent Current at 20V: Each unit is thoroughly tested to ensure minimal quiescent current, enhancing the overall energy efficiency of the device.
• Maximum Input Current of 1µA at 18V: The device boasts a low input current, making it suitable for battery-operated devices where power conservation is critical.

Applications

The HCF4028BEY is ideal for a variety of digital decoding tasks. It is commonly found in digital clocks, calculators, electronic gaming machines, and other systems that require a conversion from binary coded signals to human-readable numerical displays. Its reliability and versatility also make it suitable for use in educational and prototyping environments, where users can explore the principles of digital-to-analog conversion with hands-on experiments.

Quality and Reliability

STMicroelectronics ensures that the HCF4028BEY meets the highest quality and reliability standards. Each device undergoes rigorous testing and quality control procedures, guaranteeing performance that industry professionals can trust for their critical applications.