Overview
The CD74HC164M is a high-speed CMOS 8-bit serial-in/parallel-out shift register produced by Harris Corporation. This component is designed for applications requiring serial-to-parallel data conversion, making it a versatile choice for digital systems. Its market positioning targets engineers and designers working on digital logic circuits, embedded systems, and data communication interfaces. The CD74HC164M stands out for its high-speed operation, low power consumption, and compatibility with standard CMOS logic levels, making it a competitive solution in its category.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Shift Register | - | Serial-In, Parallel-Out |
| Number of Bits | 8 | bits | - |
| Supply Voltage | 2 to 6 | V | Wide operating range |
| Operating Temperature | -55 to 125 | °C | Industrial grade |
| Propagation Delay | 15 | ns | Typical at 5V |
| Package Type | SOIC-14 | - | Surface mount |
| Mounting Style | SMD/SMT | - | - |
| Logic Family | HC | - | High-Speed CMOS |
Key Features
- High-Speed Operation: Supports fast data transfer with minimal propagation delay.
- Low Power Consumption: Optimized for energy-efficient designs.
- Wide Voltage Range: Operates from 2V to 6V, compatible with various logic levels.
- Industrial Temperature Range: Suitable for harsh environments.
- Compact Package: SOIC-14 package for space-constrained applications.
Applications
The CD74HC164M is widely used in digital systems requiring serial-to-parallel data conversion. Typical applications include:
- Data Communication: Interface expansion for microcontrollers and processors.
- LED Displays: Driving multiple LEDs in matrix or segment displays.
- Industrial Automation: Control and monitoring systems.
- Consumer Electronics: Keypad scanning, remote control systems.
- Embedded Systems: Data storage and retrieval in compact designs.
Q & A
1. What is the operating voltage range of the CD74HC164M?
The CD74HC164M operates from 2V to 6V, making it compatible with a wide range of logic levels.
2. What is the propagation delay of this shift register?
The typical propagation delay is 15ns at a supply voltage of 5V.
3. Can the CD74HC164M be used in industrial environments?
Yes, it is designed to operate in temperatures ranging from -55°C to 125°C, making it suitable for industrial applications.
4. What package type does the CD74HC164M come in?
It is available in an SOIC-14 surface-mount package.
5. How many bits does this shift register handle?
The CD74HC164M is an 8-bit serial-in/parallel-out shift register.
6. Is the CD74HC164M compatible with CMOS logic levels?
Yes, it is part of the HC logic family and is compatible with standard CMOS logic levels.
7. What are the typical applications of this component?
It is used in data communication, LED displays, industrial automation, consumer electronics, and embedded systems.
8. Does the CD74HC164M support low-power operation?
Yes, it is optimized for low power consumption, making it ideal for energy-efficient designs.
9. What is the mounting style of this component?
It uses surface-mount technology (SMD/SMT) for easy integration into PCBs.
10. Can this shift register be used in automotive electronics?
While it is not specifically designed for automotive applications, its industrial temperature range makes it suitable for certain automotive uses.
