STMicroelectronics HCF4056BE CMOS Integrated Circuit

The HCF4056BE is a high-grade CMOS integrated circuit manufactured by STMicroelectronics, known for its reliability and versatility within the electronics industry. This device is a BCD to 7-segment latch/decoder/driver, designed to interface with most 7-segment numeric LED displays. It stands out for its direct drive to the LEDs, which allows users to display numerical output directly from digital circuits without the need for additional current-limiting resistors.

Key Features

• BCD to 7-Segment Decoder: The HCF4056BE efficiently decodes binary-coded decimal (BCD) input to control a 7-segment display, which is essential for presenting numerical data in a human-readable form.
• Latch Functionality: It includes a latch function that enables the device to retain the displayed number without the need for a constant refresh, thereby reducing the processing load on the controlling microcontroller or processor.
• High Drive Output: Capable of delivering high drive outputs, this IC can directly drive LEDs without the need for external current-limiting resistors, simplifying circuit design and reducing component count.
• Low Power Consumption: As a CMOS device, it boasts low power consumption, making it an excellent choice for battery-operated applications or power-sensitive designs.
• Versatility: It's suitable for a wide range of applications, from simple numeric displays to complex, multi-digit readouts in consumer electronics, industrial control panels, and instrumentation.

Applications

• Digital clocks and timers
• Electronic meters
• Calculators
• Instrumentation displays
• Other numeric output displays

The HCF4056BE is housed in a 16-pin dual in-line package (DIP), making it easy to handle and integrate into various electronic projects. Its robust design and the ability to work with a wide range of supply voltages (3V to 15V) make it a versatile choice for designers looking for a reliable 7-segment display solution. With the backing of STMicroelectronics, a leader in semiconductor solutions, the HCF4056BE is a top-performing component that delivers quality and performance for your digital display needs.