Overview
The SN74LVTH543PWRE4 is a high-performance octal registered transceiver manufactured by Texas Instruments. Designed for low-voltage (3.3 V) operation, it also provides a TTL interface for 5 V system environments. This device is part of the 74LVTH series and is widely used in applications requiring bidirectional data flow with 3-state outputs. Its market positioning targets industries such as industrial automation, telecommunications, and consumer electronics, where reliable data transmission and signal integrity are critical. The SN74LVTH543PWRE4 stands out for its robust design, high-speed performance, and compatibility with mixed-voltage systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Registered Transceiver, Non-Inverting | - | - |
| Number of Elements | 1 | - | - |
| Bits per Element | 8 | - | - |
| Output Current (High/Low) | 32mA / 64mA | - | - |
| Supply Voltage | 2.7 V ~ 3.6 V | V | - |
| Operating Temperature | -40°C ~ 85°C | °C | - |
| Mounting Type | Surface Mount | - | - |
| Package / Case | 24-TSSOP (0.173", 4.40mm Width) | - | - |
| Supplier Device Package | 24-TSSOP | - | - |
| Packaging | Tape & Reel (TR) | - | - |
Key Features
- Supports 3.3 V operation with 5 V TTL compatibility, enabling mixed-voltage system integration.
- Features 3-state outputs for bus-oriented applications, ensuring high impedance when not in use.
- Includes bus-hold circuitry, eliminating the need for external pull-up or pull-down resistors.
- Designed for high-speed data transmission with minimal propagation delay.
- Offers Ioff and power-up 3-state support, making it suitable for hot-swap applications.
Applications
The SN74LVTH543PWRE4 is ideal for a wide range of applications, including:
- Industrial Automation: Used in control systems for reliable data communication between sensors, controllers, and actuators.
- Telecommunications: Facilitates signal routing and data buffering in networking equipment.
- Consumer Electronics: Supports data transfer in devices such as printers, scanners, and gaming consoles.
- Automotive Electronics: Ensures robust communication in vehicle control modules and infotainment systems.
- Embedded Systems: Provides efficient data handling in microcontrollers and FPGA-based designs.
Q & A
1. What is the operating voltage range of the SN74LVTH543PWRE4?
The operating voltage range is 2.7 V to 3.6 V.
2. Can this device be used in 5 V systems?
Yes, it provides a TTL interface for compatibility with 5 V systems.
3. What is the maximum output current for high and low states?
The maximum output current is 32 mA for high state and 64 mA for low state.
4. Is the SN74LVTH543PWRE4 suitable for hot-swap applications?
Yes, it supports Ioff and power-up 3-state functionality, making it suitable for hot-swap scenarios.
5. What is the operating temperature range?
The device operates within a temperature range of -40°C to 85°C.
6. Does this device require external pull-up or pull-down resistors?
No, it includes bus-hold circuitry, eliminating the need for external resistors.
7. What is the package type of the SN74LVTH543PWRE4?
It is available in a 24-TSSOP package.
8. How many bits per element does this transceiver support?
It supports 8 bits per element.
9. What is the primary function of the 3-state outputs?
The 3-state outputs ensure high impedance when the device is not actively driving the bus, preventing signal conflicts.
10. Can this device be used in automotive applications?
Yes, its robust design and reliability make it suitable for automotive electronics.
