HLF CD4021 – 8-Stage Static Shift Register / Parallel-In Serial-Out (SOP16) | CMOS Logic IC | 3V–18V, –40°C to +85°C | Surface-Mount Package

The HLF CD4021 (SOP16) offers the same 8-stage static shift register functionality in a compact surface-mount package ideal for modern PCB layouts. Its parallel data input and serial data output configuration makes it an excellent choice for microcontroller interfacing, serial communication, and data buffering applications.
The CMOS construction ensures minimal power consumption, high speed, and superior noise immunity, making it a reliable choice for industrial, consumer, and embedded electronics.

Key Features:

• Function: 8-Stage Static Shift Register (Parallel-In, Serial-Out)

• Technology: CMOS Logic

• Operating Voltage: 3V – 18V

• Operating Temperature: –40°C to +85°C

• Package Type: SOP16 (Small Outline Package)

• Mounting Type: Surface-Mount

• Asynchronous Parallel Load and Clear

• High-Speed Serial Data Output

• Compact, Low-Power Design

• High Noise Margin for Robust Operation

Applications:

• Serial Interface Expansion

• Data Latching and Shifting

• Embedded System I/O Extension

• Digital Counters and Sequence Control

• Compact Portable Electronics