4021 DIP 8-Bit Static Shift Register

4021 DIP 8-Bit Static Shift Register

The 4021 DIP 8-Bit Static Shift Register is a versatile parallel-in, serial-out IC. It belongs to the 40 series family. This component is ideal for expanding digital inputs in microcontroller projects. It works with 3V to 15V logic levels. You can easily add multiple inputs to your Arduino or Raspberry Pi.

This shift register captures 8 bits of data in one clock cycle. It then shifts them out serially. This saves valuable I/O pins. The static design ensures reliable operation at low speeds. It is perfect for reading switches, sensors, or keypads. The DIP package makes it breadboard-friendly.

The 8-Bit Static Shift Register works by loading all eight inputs at once. A single clock pulse then shifts the data out one bit at a time. This method uses only three microcontroller pins. You can chain multiple chips together. This allows you to read dozens of inputs with ease. The static design means no minimum clock speed. You can even stop the clock without losing data. This makes debugging simple. The chip also includes a serial input pin. This lets you cascade units for even more inputs. Each additional chip adds eight more inputs. The wide voltage range ensures compatibility with many systems. It works with both 5V and 3.3V logic. This flexibility makes it a go-to choice for many projects.

Key Features

• 8-bit parallel-in, serial-out shift register in a DIP-16 package
• Wide operating voltage range from 3V to 15V for flexible use
• Static operation allows low-frequency clocking without data loss
• Asynchronous parallel load control for immediate data capture
• Compatible with TTL and CMOS logic families
• Low power consumption ideal for battery-powered projects

What's Included

• One 4021 DIP 8-Bit Static Shift Register IC
• Pinout diagram for easy wiring reference
• Datasheet link for detailed specifications
• Anti-static packaging for safe delivery

Use Cases

Hobbyists and engineers use this 8-Bit Static Shift Register for input expansion. It works great for reading multiple buttons or switches. You can also use it for sensor arrays or digital potentiometers. It is a staple in educational kits and prototyping labs. Typical buyers include electronics students, makers, and embedded system developers. It is also popular among robotics enthusiasts. They use it to read many sensors at once. Game console modders use it for extra controller inputs. Industrial technicians use it for monitoring multiple switches. The 8-Bit Static Shift Register is perfect for any project needing many digital inputs. It saves pins and simplifies wiring. This makes it ideal for complex projects with limited I/O.

Order your 4021 DIP 8-Bit Static Shift Register today. This reliable component will simplify your circuit design. It is in stock and ready to ship from Electra Store. Upgrade your project with this essential IC now. Add it to your cart and enjoy fast delivery. Your next great build starts with this small but powerful chip. Don't wait—get your 8-Bit Static Shift Register today.