Overview
The SN74LV166APWRG4 is an 8-bit parallel-load shift register manufactured by Texas Instruments. Designed to operate within a voltage range of 2V to 5.5V, this component is optimized for low-voltage applications, offering high-speed performance and low power consumption. It is widely used in digital systems for tasks such as data storage, serial-to-parallel conversion, and input expansion. Its compact TSSOP-16 package makes it suitable for space-constrained designs, targeting industries such as consumer electronics, industrial automation, and automotive systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage (VCC) | 2 to 5.5 | V | Operating range |
| Propagation Delay (tpd) | 10.5 | ns | Max at 5V |
| Output Ground Bounce (VOLP) | < 0.8 | V | Typical at 3.3V, 25°C |
| Output VOH Undershoot (VOHV) | 2.3 | V | Typical at 3.3V, 25°C |
| Ioff Support | Yes | - | Partial power-down mode |
| Latch-Up Performance | > 100 | mA | JESD 78, Class II |
Key Features
- Operates at a wide voltage range of 2V to 5.5V, making it versatile for various low-voltage applications.
- High-speed performance with a maximum propagation delay of 10.5ns at 5V.
- Supports partial power-down mode with Ioff circuitry, reducing power consumption.
- Synchronous load and direct override clear functionality for efficient data handling.
- Robust latch-up performance exceeding 100mA, ensuring reliability in harsh environments.
Applications
The SN74LV166APWRG4 is commonly used in digital systems for applications such as input expansion, 8-bit data storage, and serial-to-parallel conversion. Its low-voltage operation and high-speed performance make it ideal for consumer electronics, including smartphones and tablets. In industrial automation, it is employed for signal processing and control tasks. Additionally, its reliability and compact form factor make it suitable for automotive electronics, where space and durability are critical.
Q & A
1. What is the operating voltage range of the SN74LV166APWRG4?
The operating voltage range is 2V to 5.5V.
2. What is the maximum propagation delay at 5V?
The maximum propagation delay is 10.5ns at 5V.
3. Does the SN74LV166APWRG4 support partial power-down mode?
Yes, it supports partial power-down mode with Ioff circuitry.
4. What is the typical output ground bounce at 3.3V and 25°C?
The typical output ground bounce is less than 0.8V.
5. What is the latch-up performance of this component?
The latch-up performance exceeds 100mA, complying with JESD 78, Class II.
6. What are the key features of the SN74LV166APWRG4?
Key features include wide voltage operation, high-speed performance, synchronous load, and robust latch-up performance.
7. What are the typical applications of this component?
Typical applications include input expansion, data storage, and serial-to-parallel conversion in consumer electronics, industrial automation, and automotive systems.
8. What package does the SN74LV166APWRG4 come in?
It comes in a TSSOP-16 package.
9. Is the SN74LV166APWRG4 suitable for automotive applications?
Yes, its reliability and compact form factor make it suitable for automotive electronics.
10. What is the typical output VOH undershoot at 3.3V and 25°C?
The typical output VOH undershoot is 2.3V.
