Overview
The SN74HC165PWT is a high-speed CMOS logic 8-bit parallel-in/serial-out shift register manufactured by Texas Instruments. This IC is designed to convert parallel data inputs into a serial data stream, making it ideal for applications requiring data expansion or signal multiplexing. The device operates at a wide voltage range and is compatible with standard CMOS and TTL logic levels. Its compact TSSOP package and low power consumption make it suitable for space-constrained and power-sensitive applications. The SN74HC165PWT is widely used in industrial automation, consumer electronics, and communication systems, offering reliable performance and ease of integration.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Shift Register | - | Parallel-In, Serial-Out |
| Number of Bits | 8 | bits | - |
| Supply Voltage | 2 to 6 | V | Wide operating range |
| Operating Temperature | -40 to 85 | °C | Industrial-grade |
| Package | TSSOP | - | 16-pin |
| Input Type | CMOS/TTL | - | Compatible with both logic levels |
| Output Type | CMOS | - | - |
| Propagation Delay | 14 | ns | Typical at 5V |
| Power Consumption | Low | - | Ideal for power-sensitive designs |
| Mounting Type | Surface Mount | - | - |
Key Features
- 8-bit parallel-to-serial conversion: Efficiently converts parallel inputs to a serial output stream.
- Wide voltage range: Operates from 2V to 6V, ensuring compatibility with various systems.
- Low power consumption: Designed for energy-efficient applications.
- High-speed operation: Propagation delay of 14 ns (typical) at 5V.
- Compact TSSOP package: Ideal for space-constrained designs.
- Industrial temperature range: Reliable performance in harsh environments.
Applications
The SN74HC165PWT is widely used in various industries due to its versatility and reliability. In industrial automation, it is employed for data acquisition and signal multiplexing. In consumer electronics, it is utilized in devices requiring data expansion, such as keyboards and remote controls. The IC is also used in communication systems for serial data transmission and in automotive electronics for sensor interfacing. Its compact size and low power consumption make it a preferred choice for portable and battery-operated devices.
Q & A
1. What is the operating voltage range of the SN74HC165PWT?
The SN74HC165PWT operates within a voltage range of 2V to 6V.
2. What is the package type of this IC?
It comes in a 16-pin TSSOP package.
3. Is the SN74HC165PWT compatible with TTL logic levels?
Yes, it is compatible with both CMOS and TTL logic levels.
4. What is the typical propagation delay of this device?
The typical propagation delay is 14 ns at 5V.
5. Can this IC be used in industrial environments?
Yes, it operates within an industrial temperature range of -40°C to 85°C.
6. What is the primary function of the SN74HC165PWT?
It is an 8-bit parallel-in/serial-out shift register.
7. Is this IC suitable for battery-operated devices?
Yes, its low power consumption makes it ideal for battery-operated applications.
8. How many bits can this shift register handle?
It can handle 8 bits of data.
9. What are the typical applications of this IC?
It is used in industrial automation, consumer electronics, communication systems, and automotive electronics.
10. Is the SN74HC165PWT a surface-mount device?
Yes, it is designed for surface-mount applications.
