74HC166 8-Bit Parallel-Load Shift Register

The 74HC166 is a high-speed CMOS device designed to provide an efficient solution for parallel-to-serial data conversion. This IC features an 8-bit shift register with one serial input and eight parallel-load inputs, making it ideal for a wide range of digital applications. The 74HC166 is housed in a standard 14-pin Small Outline Integrated Circuit (SOIC) package, ensuring easy integration into various electronic circuits.

Key Features:

• Wide Operating Voltage Range: 2V to 6V
• Low Power Consumption: Typical ICC of 80 µA
• High Noise Immunity: Ensures reliable operation in noisy environments
• Fast Switching Speeds: Typical propagation delay of 13 ns
• Synchronous Parallel-to-Serial Conversion: Allows for easy data transfer
• Asynchronous Master Reset: Provides flexibility in operation
• Clock Enable: Supports "do nothing" mode for power saving

Applications:

• Data Communication Systems
• Digital Signal Processing
• Microcontroller Interfaces
• Serial Data Transmission
• Logic Circuits
• Shift Registers

Pin Configuration:

• Pin 1 (SH/LD): Shift/Load Control
• Pin 2 (CLK): Clock Input
• Pin 3 (E): Enable Input
• Pin 4 (D0): Parallel Data Input 0
• Pin 5 (D1): Parallel Data Input 1
• Pin 6 (D2): Parallel Data Input 2
• Pin 7 (D3): Parallel Data Input 3
• Pin 8 (GND): Ground
• Pin 9 (D4): Parallel Data Input 4
• Pin 10 (D5): Parallel Data Input 5
• Pin 11 (D6): Parallel Data Input 6
• Pin 12 (D7): Parallel Data Input 7
• Pin 13 (Q7): Serial Data Output
• Pin 14 (VCC): Positive Supply Voltage

For more detailed information, you can refer to the 74HC166 Datasheet.

YouTube Tutorials:

• 74HC595 & 74HC165 Shift Registers with Arduino
• How To - Expand Digital Inputs with the 74HC165 + Test Code
• How to use 74HC165 Shift Register with Arduino