Overview
The SN74HC164NS is an 8-bit serial-in, parallel-out shift register manufactured by Texas Instruments. This component is designed for high-speed CMOS logic applications, offering low power consumption and high noise immunity. It is widely used in digital circuits for data processing, LED control, and microcontroller interface expansion. The SN74HC164NS is particularly valued for its ability to simplify circuit layouts and reduce pin counts in complex designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.0 - 6.0 | V | |
| Operating Temperature | -40 to +85 | °C | |
| Clock Frequency | Up to 25 | MHz | |
| Input Current | ±1 | µA | Max |
| Output Current | ±5.2 | mA | Max |
| Propagation Delay | 29 | ns | @6V, 50pF |
| Package | SOIC-14 |
Key Features
- 8-bit serial-in, parallel-out shift register
- AND-gated serial inputs for controlled data entry
- Asynchronous master reset for clearing registers
- Buffered clock and serial inputs for reliable signal transmission
- Wide operating voltage range of 2.0V to 6.0V
- Available in multiple package options for diverse application needs
Applications
The SN74HC164NS is extensively used in various fields such as industrial automation, consumer electronics, and automotive systems. It is particularly effective in applications requiring serial-to-parallel data conversion, such as LED displays, data communication systems, and microcontroller peripheral expansion. Its ability to handle high-speed data transfer makes it suitable for timing and counting systems as well.
Q & A
1. What is the function of the SN74HC164NS?
The SN74HC164NS is an 8-bit serial-in, parallel-out shift register used for data processing and control in digital circuits.
2. What is the operating voltage range of the SN74HC164NS?
The operating voltage range is from 2.0V to 6.0V.
3. Does the SN74HC164NS have a reset function?
Yes, it features an asynchronous master reset to clear all registers.
4. What is the maximum clock frequency supported by the SN74HC164NS?
It supports clock frequencies up to 25MHz.
5. What are the typical applications of the SN74HC164NS?
Typical applications include LED displays, data communication systems, and microcontroller interface expansion.
6. What is the package type of the SN74HC164NS?
It is available in an SOIC-14 package.
7. What is the propagation delay of the SN74HC164NS?
The propagation delay is 29ns at 6V with a 50pF load.
8. Can the SN74HC164NS operate in harsh environments?
Yes, it operates in a temperature range of -40°C to +85°C, making it suitable for various environments.
9. How does the SN74HC164NS handle input signals?
It uses buffered clock and serial inputs to ensure reliable signal transmission.
10. Is the SN74HC164NS suitable for high-speed data transfer?
Yes, its design supports high-speed data transfer, making it ideal for timing and counting systems.
