Overview
The SN74LVTH543PWR, manufactured by Texas Instruments, is a high-performance octal registered transceiver designed for 3.3V VCC operation with TTL-compatible inputs and outputs. This device is part of the 74LVTH series, known for its low-voltage operation and high-speed performance. It is widely used in applications requiring bidirectional data flow and temporary data storage, such as data communication systems, networking equipment, and industrial automation. The SN74LVTH543PWR is particularly valued for its robust design, featuring active bus-hold circuitry and support for hot insertion, making it suitable for demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Registered Transceiver, Non-Inverting | - | - |
| Number of Elements | 1 | - | - |
| Bits per Element | 8 | - | - |
| Output Current High | 32 | mA | - |
| Output Current Low | 64 | mA | - |
| Supply Voltage | 2.7 ~ 3.6 | V | - |
| Operating Temperature | -40 ~ 85 | °C | - |
| Mounting Type | Surface Mount | - | - |
| Package/Case | 24-TSSOP | - | 4.40mm Width |
Key Features
- Supports bidirectional data flow with separate latch and output enable controls for each direction.
- Active bus-hold circuitry eliminates the need for external pull-up or pull-down resistors.
- Designed for hot insertion, ensuring safe operation during power-up and power-down.
- TTL-compatible inputs and outputs enable seamless integration with 5V systems.
- High-speed performance with propagation delays optimized for 3.3V operation.
Applications
The SN74LVTH543PWR is ideal for a wide range of applications, including data communication systems, networking equipment, and industrial automation. Its ability to handle bidirectional data flow and temporary storage makes it suitable for use in data buses, memory modules, and interface circuits. Additionally, its robust design and support for hot insertion make it a reliable choice for systems requiring high reliability and performance in harsh environments.
Q & A
1. What is the operating voltage range of the SN74LVTH543PWR?
The operating voltage range is 2.7V to 3.6V.
2. Does this device support hot insertion?
Yes, the SN74LVTH543PWR is designed to support hot insertion.
3. What is the maximum output current for high and low states?
The maximum output current is 32mA for high state and 64mA for low state.
4. What is the package type of the SN74LVTH543PWR?
It comes in a 24-TSSOP package.
5. Is the SN74LVTH543PWR compatible with 5V systems?
Yes, it has TTL-compatible inputs and outputs for seamless integration with 5V systems.
6. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
7. Does this device require external pull-up or pull-down resistors?
No, it features active bus-hold circuitry, eliminating the need for external resistors.
8. How many bits per element does the SN74LVTH543PWR support?
It supports 8 bits per element.
9. What is the logic type of this device?
It is a registered transceiver with non-inverting logic.
10. What are the typical applications for the SN74LVTH543PWR?
Typical applications include data communication systems, networking equipment, and industrial automation.
