Texas Instruments

CD4021BM  

Shift Registers

CD4021BM Description

The CD4021BM from Texas Instruments is an 8-bit static shift register belonging to the 4000B series, designed for parallel or serial-to-serial data conversion. It operates over a wide voltage range (3V to 18V), making it versatile for both low-power and high-voltage applications. Housed in a 16-SOIC package, this surface-mount device is RoHS3 compliant and features a Moisture Sensitivity Level (MSL) of 1, ensuring reliability in various environmental conditions. With its single-element, 8-bit architecture, the CD4021BM is ideal for applications requiring serial data expansion, buffering, or temporary storage.

CD4021BM Features

• Logic Type: Static shift register with parallel or serial input and serial output.
• Wide Voltage Range: Supports 3V to 18V, accommodating diverse power supply designs.
• High Noise Immunity: Inherits the 4000B series' robustness against electrical interference.
• Low Power Consumption: Optimized for energy-efficient operation.
• Surface-Mount Design: 16-SOIC package enables compact PCB integration.
• Compliance: RoHS3, REACH Unaffected, and ECCN EAR99 certified for global use.
• Unlimited MSL Rating: Suitable for extended storage and handling without moisture concerns.

CD4021BM Applications

The CD4021BM excels in:

• Data Serialization: Converts parallel data to serial output for microcontroller interfacing.
• Industrial Control Systems: Used in PLC I/O expansion and sensor data aggregation.
• Consumer Electronics: Ideal for keyboard scanning, LED matrix control, and remote control systems.
• Automotive Electronics: Reliable in dashboard displays and infotainment systems due to wide voltage tolerance.
• Test & Measurement Equipment: Facilitates data buffering and signal conditioning in lab instruments.

Conclusion of CD4021BM

The CD4021BM stands out for its flexibility, wide voltage range, and robust design, making it a preferred choice for serial data handling across industries. Its low power consumption, high noise immunity, and compliance with environmental standards ensure long-term reliability. Whether in industrial automation, consumer gadgets, or automotive systems, this shift register delivers consistent performance and ease of integration, solidifying its position as a versatile solution for data conversion and storage needs.

CD4021BM Documents

Download datasheets and manufacturer documentation for CD4021BM

PCN Part Status Change :

Mult Dev Status Chg 25/Apr/2023      

Datasheets :

CD4014B,21B Types      

HTML Datasheet :

CD4014B,21B Types      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018