Overview
The SN74HC166DR is a high-speed CMOS logic 8-bit parallel-in/serial-out shift register produced by Texas Instruments. This component is designed for applications requiring serial data transfer and is widely used in digital systems for data storage, manipulation, and transfer. The SN74HC166DR is positioned as a reliable and efficient solution for engineers and designers working on embedded systems, industrial automation, and consumer electronics. Its unique selling points include high-speed operation, low power consumption, and compatibility with a wide range of logic families.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Shift Register | - | Parallel-in, Serial-out |
| Number of Bits | 8 | bits | - |
| Supply Voltage | 2V to 6V | V | Wide operating range |
| Operating Temperature | -40°C to 85°C | °C | Industrial grade |
| Package Type | SOIC | - | 16-pin |
| Propagation Delay | 14 ns | ns | Typical at 5V |
| Input Capacitance | 3.5 pF | pF | Typical |
| Output Current | ±25 mA | mA | High drive capability |
| Power Dissipation | 500 mW | mW | Maximum |
| Mounting Type | Surface Mount | - | - |
Key Features
- High-Speed Operation: Supports fast data transfer with a propagation delay of 14 ns.
- Low Power Consumption: Ideal for battery-powered applications.
- Wide Voltage Range: Operates from 2V to 6V, ensuring compatibility with various logic families.
- Parallel-In/Serial-Out: Efficiently converts parallel data to serial output.
- Industrial Temperature Range: Reliable performance in harsh environments.
Applications
The SN74HC166DR is widely used in various applications, including:
- Embedded Systems: For data storage and transfer in microcontrollers and processors.
- Industrial Automation: In control systems for data manipulation and signal processing.
- Consumer Electronics: In devices like remote controls, keyboards, and digital displays.
- Communication Systems: For serial data transmission in networking equipment.
Q & A
1. What is the operating voltage range of the SN74HC166DR?
The SN74HC166DR operates within a voltage range of 2V to 6V.
2. What is the maximum propagation delay of this shift register?
The typical propagation delay is 14 ns at 5V.
3. Can the SN74HC166DR be used in industrial environments?
Yes, it has an operating temperature range of -40°C to 85°C, making it suitable for industrial applications.
4. What is the package type of the SN74HC166DR?
It comes in a 16-pin SOIC package.
5. Is the SN74HC166DR compatible with other logic families?
Yes, its wide voltage range ensures compatibility with various logic families.
6. What is the maximum output current of this component?
The maximum output current is ±25 mA.
7. How many bits does the SN74HC166DR handle?
It is an 8-bit shift register.
8. What is the input capacitance of the SN74HC166DR?
The typical input capacitance is 3.5 pF.
9. Can this shift register be used in surface mount applications?
Yes, it is designed for surface mount applications.
10. What is the maximum power dissipation of the SN74HC166DR?
The maximum power dissipation is 500 mW.
