onsemi

MC14021BDG

MC14021BDG Description

The MC14021BDG from onsemi is an 8-bit static shift register belonging to the 4000B series, designed for high-reliability digital applications. This surface-mount IC operates across a wide voltage range of 3V to 18V, making it versatile for both low-power and industrial environments. Encased in a 16-pin SOIC package, it supports parallel or serial-to-serial data conversion, enabling flexible data handling in sequential logic systems. With RoHS3 compliance and REACH unaffected status, it meets stringent environmental and safety standards. Its Moisture Sensitivity Level (MSL) 1 rating ensures durability in varied storage conditions.

MC14021BDG Features

• 8-bit shift register with single-element design for compact integration.
• Wide supply voltage range (3V–18V), compatible with TTL and CMOS logic levels.
• Parallel or serial input modes, offering design flexibility for data streaming.
• Low power consumption, typical of CMOS technology, ideal for battery-operated devices.
• High noise immunity and robust performance in industrial environments.
• Tube packaging for secure handling and automated assembly.
• Active product status with long-term availability, backed by onsemi’s reliability.

MC14021BDG Applications

The MC14021BDG excels in applications requiring serial data expansion, time-delay circuits, and sequential logic control. Key use cases include:

• Industrial automation: Signal delay units and control logic in PLCs.
• Consumer electronics: LED matrix drivers and keyboard encoders.
• Data communication: Serial-to-parallel conversion in UART interfaces.
• Embedded systems: Memory address generation and state machine design.
• Automotive electronics: Sensor data buffering in low-voltage systems.

Conclusion of MC14021BDG

The MC14021BDG stands out for its wide voltage tolerance, flexible data handling, and robust construction, making it a preferred choice for engineers designing high-noise-immunity systems. Its 4000B series heritage ensures compatibility with legacy designs, while its surface-mount form factor aligns with modern PCB trends. Whether for industrial control, consumer tech, or embedded applications, this shift register delivers reliability, efficiency, and scalability, backed by onsemi’s proven quality.