Overview
The 74HCT164N is an 8-bit serial-in/parallel-out shift register integrated circuit (IC) designed for high-speed CMOS applications. It is commonly used in digital electronics to convert serial data inputs into parallel outputs, making it a versatile component in data storage and transfer systems. The IC operates at a supply voltage of 5V, which is standard for many digital circuits. Its low power consumption and high noise immunity make it suitable for both industrial and consumer electronics, including LED displays, communication devices, and microcontroller interfaces.
Structure and Working Principle
The 74HCT164N consists of eight flip-flops connected in series, allowing data to be shifted in bit by bit from the serial input. Each clock pulse advances the data by one bit, and the parallel outputs reflect the stored data. The IC also includes a master reset pin to clear all outputs to a low state. This shift register is edge-triggered, meaning data is transferred on the rising edge of the clock signal. The serial input can be driven by a microcontroller or other digital logic device, making it highly flexible for various applications.
Key Features
The 74HCT164N offers several key features that enhance its utility in digital systems. These include low power consumption, high-speed operation (typically 50 MHz), and compatibility with TTL levels, ensuring seamless integration with a wide range of digital circuits. Additionally, the IC provides robust noise immunity, reducing the likelihood of errors in noisy environments. Its compact DIP (Dual In-line Package) form factor makes it easy to prototype and integrate into existing designs.
Application Areas
The 74HCT164N is widely used in applications requiring serial-to-parallel data conversion. Common uses include LED matrix displays, where it controls multiple LEDs with minimal wiring, and communication systems, where it assists in data buffering and signal processing. Other applications include industrial automation, where it interfaces with sensors and actuators, and consumer electronics, such as remote controls and digital clocks. Its versatility and reliability make it a staple in many electronic designs.
Maintenance and Precautions
To ensure longevity and reliable performance, the 74HCT164N should be handled with care. Always use proper ESD (electrostatic discharge) protection when handling the IC to prevent damage from static electricity. Avoid exceeding the maximum supply voltage of 7V to prevent permanent damage. When designing circuits, ensure that the clock and data inputs are free from noise and glitches, as these can cause unexpected behavior. Proper decoupling capacitors should be used near the power supply pins to stabilize the voltage and reduce noise.
B2B Procurement Guide
When procuring the 74HCT164N in bulk for B2B purposes, consider factors such as supplier reliability, lead times, and pricing. It is advisable to request samples to verify compatibility with your application before placing large orders. Check for RoHS compliance, especially if the end product is destined for markets with strict environmental regulations. Negotiate pricing based on volume, and consider long-term supply agreements to ensure consistent availability.
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