Overview
The CD74HC164ME4 is a high-speed CMOS logic 8-bit serial-in/parallel-out shift register manufactured by Texas Instruments. This component is designed for applications requiring serial-to-parallel data conversion, making it a versatile choice for digital systems. It features buffered inputs, asynchronous reset, and balanced propagation delays, ensuring reliable performance in a wide range of operating conditions. The CD74HC164ME4 is particularly suited for use in industrial automation, consumer electronics, and automotive systems due to its robust design and compatibility with LSTTL logic.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | CMOS | - | High-speed, low-power |
| Operating Voltage | 2V to 6V | V | HC type |
| Maximum Clock Frequency | 60 | MHz | VCC = 5V, CL = 15pF, TA = 25°C |
| Output Drive | 10 LSTTL loads | - | Standard output |
| Temperature Range | -55°C to 125°C | °C | Wide operating range |
| Noise Immunity | 30% of VCC | - | High noise margin |
| Input Logic Compatibility | LSTTL, CMOS | - | Direct compatibility |
Key Features
- Buffered inputs for improved signal integrity
- Asynchronous reset for immediate initialization
- Balanced propagation delays and transition times
- Low power consumption compared to LSTTL logic
- High noise immunity for reliable operation in noisy environments
- Wide operating temperature range for industrial applications
Applications
The CD74HC164ME4 is widely used in applications requiring serial-to-parallel data conversion, such as:
- Industrial Automation: Control systems and data acquisition
- Consumer Electronics: Display drivers and LED control
- Automotive Systems: Sensor interfaces and communication modules
- Digital Systems: Data processing and signal buffering
Q & A
1. What is the operating voltage range of the CD74HC164ME4?
The operating voltage range is 2V to 6V for the HC type.
2. What is the maximum clock frequency supported?
The maximum clock frequency is 60 MHz under typical conditions (VCC = 5V, CL = 15pF, TA = 25°C).
3. Does the CD74HC164ME4 support asynchronous reset?
Yes, it features an asynchronous reset for immediate initialization.
4. What is the noise immunity level of this component?
It offers high noise immunity, with a noise margin of 30% of VCC.
5. Is the CD74HC164ME4 compatible with LSTTL logic?
Yes, it is directly compatible with LSTTL logic.
6. What is the temperature range for operation?
It operates over a wide temperature range from -55°C to 125°C.
7. Can this component be used in automotive applications?
Yes, it is suitable for automotive systems such as sensor interfaces and communication modules.
8. What is the output drive capability?
The standard output can drive up to 10 LSTTL loads.
9. Does it have balanced propagation delays?
Yes, it features balanced propagation delays and transition times.
10. What are the key advantages of using the CD74HC164ME4?
Key advantages include low power consumption, high noise immunity, and compatibility with both LSTTL and CMOS logic.
