Overview
The 74HC166DB,112 is an 8-bit parallel-in/serial-out shift register produced by Nexperia USA Inc. This component is part of the 74HC family, known for its high-speed CMOS logic. Although the specific part numbers mentioned are currently obsolete, the general functionality and characteristics of this shift register remain relevant. The device is designed to handle high-speed data transfer and is suitable for various digital circuit applications.
Key Specifications
| Specification | Value |
|---|---|
| Type | 8-bit parallel-in/serial-out shift register |
| Logic Family | 74HC |
| Package Type | SSOP16 or other obsolete packages |
| Operating Voltage | 2.0 V to 6.0 V |
| Operating Temperature | -40°C to +125°C |
| Propagation Delay | Typically 15 ns at Vcc = 5 V |
| Input Current | ±1 μA at Vcc = 5 V |
| Output Current | ±7.8 mA at Vcc = 5 V |
Key Features
- High-speed CMOS logic with low power consumption
- 8-bit parallel input and serial output
- Asynchronous reset and clock inputs
- Compliant with JEDEC standard JESD7A
- ESD protection on all pins
- Multiple package options (though specific ones like SSOP16 are obsolete)
Applications
The 74HC166DB is suitable for a variety of digital circuit applications, including:
- Data buffering and storage
- Serial communication systems
- Digital signal processing
- Microcontroller and microprocessor interfaces
- General-purpose digital logic circuits
Q & A
- What is the primary function of the 74HC166DB?
The primary function is to act as an 8-bit parallel-in/serial-out shift register. - What is the operating voltage range of the 74HC166DB?
The operating voltage range is from 2.0 V to 6.0 V. - What is the typical propagation delay of the 74HC166DB at Vcc = 5 V?
The typical propagation delay is 15 ns. - Is the 74HC166DB ESD protected?
Yes, the 74HC166DB has ESD protection on all pins. - What are the common applications of the 74HC166DB?
Common applications include data buffering, serial communication systems, digital signal processing, and general-purpose digital logic circuits. - Why are specific part numbers like 74HC166DB,112 obsolete?
These part numbers are obsolete, meaning they are no longer in production or widely available. - What is the logic family of the 74HC166DB?
The logic family is 74HC. - What is the operating temperature range of the 74HC166DB?
The operating temperature range is from -40°C to +125°C. - Can the 74HC166DB be used in high-speed applications?
Yes, the 74HC166DB is designed for high-speed CMOS logic applications. - Where can I find more detailed specifications and documentation for the 74HC166DB?
You can find detailed specifications and documentation on the Nexperia website or through authorized distributors like Mouser Electronics.
