STMicroelectronics

HCF4027BEY

HCF4027BEY Description

The HCF4027BEY is a dual JK flip-flop IC designed by STMicroelectronics, part of the 4000B series. This logic IC chip is ideal for applications requiring dual 1-bit storage elements with set (preset) and reset functions. It features a clock frequency of up to 24 MHz, ensuring high-speed operation suitable for various digital circuits. The complementary output type and positive edge triggering mechanism provide reliable and precise signal handling.

The HCF4027BEY operates within a wide voltage range of 3V to 20V, making it versatile for different power supply configurations. It also boasts a low quiescent current of 20 µA, which is advantageous for power-sensitive applications. The maximum propagation delay of 90ns at 15V and 50pF ensures fast signal processing, critical for high-performance digital systems.

HCF4027BEY Features

• Dual JK Flip-Flops: Each flip-flop can store 1 bit of data, providing dual storage elements in a single package.
• Set and Reset Functionality: Allows for preset and reset operations, enhancing control over digital circuits.
• High-Speed Operation: Capable of operating at clock frequencies up to 24 MHz.
• Wide Voltage Range: Operates between 3V and 20V, offering flexibility in power supply requirements.
• Low Quiescent Current: Consumes only 20 µA, making it suitable for low-power applications.
• Fast Propagation Delay: Maximum delay of 90ns at 15V and 50pF ensures rapid signal processing.
• Complementary Outputs: Provides both true and complement outputs for versatile signal handling.
• Positive Edge Triggering: Ensures reliable and precise signal triggering.
• Input Capacitance: Low input capacitance of 5 pF reduces loading effects on driving circuits.
• Through Hole Mounting: Suitable for traditional PCB assembly techniques.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level: MSL 3 (168 Hours), suitable for standard manufacturing processes.

HCF4027BEY Applications

The HCF4027BEY is well-suited for a variety of applications in the electronics industry, including:

• Digital Counters and Registers: Ideal for storing and manipulating digital data in counting and register circuits.
• Synchronization Circuits: Ensures precise timing and synchronization in digital systems.
• Memory Elements: Functions as basic memory elements in digital circuits.
• Control Logic: Provides essential control functions in complex digital systems.
• Frequency Dividers: Useful in applications requiring frequency division.
• Data Storage and Processing: Effective in systems where data storage and processing are critical.

Conclusion of HCF4027BEY

The HCF4027BEY, despite being an obsolete product, remains a reliable choice for applications requiring dual JK flip-flops with set and reset capabilities. Its high-speed operation, wide voltage range, and low quiescent current make it a versatile component for various digital circuits. The complementary outputs and positive edge triggering ensure precise signal handling, making it suitable for synchronization, memory, and control logic applications. While newer alternatives may exist, the HCF4027BEY continues to offer robust performance and reliability in traditional and legacy systems.