Overview
The SN74LVTH245ADBR is a high-performance octal bus transceiver designed and manufactured by Texas Instruments. This device is part of the 74LVTH series, which is known for its low-voltage operation and high-speed performance. The SN74LVTH245ADBR is specifically designed for bidirectional data communication between buses, making it ideal for applications requiring efficient data transfer in mixed 3.3V/5V systems. Its 3-state outputs and non-inverting logic ensure reliable signal transmission, while its compact SSOP-20 package makes it suitable for space-constrained designs.
Targeted at engineers and designers working on communication systems, industrial automation, and embedded systems, this transceiver stands out for its robust performance, low power consumption, and compatibility with a wide range of operating conditions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Transceiver, Non-Inverting | - | - |
| Output Type | 3-State | - | - |
| Number of Bits per Element | 8 | - | - |
| Supply Voltage | 2.7 to 3.6 | V | - |
| Operating Temperature | -40 to +85 | °C | - |
| Output Current (High/Low) | 32 / 64 | mA | - |
| Mounting Type | Surface Mount | - | - |
| Package/Case | SSOP-20 | - | 5.30mm width |
Key Features
- Bidirectional Data Flow: Enables seamless data transfer between two buses, supporting asynchronous communication.
- 3-State Outputs: Allows the device to be effectively isolated from the bus when not in use, reducing power consumption and signal interference.
- Wide Operating Voltage: Compatible with 2.7V to 3.6V systems, making it suitable for mixed-voltage environments.
- High-Speed Performance: Designed for applications requiring fast data transmission with minimal propagation delay.
- Robust ESD Protection: Ensures reliability in harsh environments by providing protection against electrostatic discharge.
Applications
The SN74LVTH245ADBR is widely used in various industries due to its versatility and reliability. Some of its key applications include:
- Communication Systems: Facilitates data transfer between different subsystems in networking equipment and telecommunication devices.
- Industrial Automation: Used in control systems and PLCs to manage data flow between sensors, actuators, and controllers.
- Embedded Systems: Ideal for microcontrollers and FPGAs, enabling efficient communication between peripherals and processors.
- Consumer Electronics: Supports data transfer in devices such as printers, scanners, and gaming consoles.
- Automotive Electronics: Ensures reliable signal transmission in vehicle control systems and infotainment systems.
Q & A
1. What is the operating voltage range of the SN74LVTH245ADBR?
The device operates within a voltage range of 2.7V to 3.6V.
2. What is the purpose of the 3-state outputs?
3-state outputs allow the device to be isolated from the bus when not in use, reducing power consumption and signal interference.
3. Can the SN74LVTH245ADBR be used in mixed-voltage systems?
Yes, it is compatible with mixed 3.3V/5V systems, making it suitable for a wide range of applications.
4. What is the maximum output current of the device?
The device can source up to 32mA and sink up to 64mA.
5. What is the package type of the SN74LVTH245ADBR?
It is available in an SSOP-20 package with a width of 5.30mm.
6. Is the device suitable for high-speed applications?
Yes, it is designed for high-speed data transmission with minimal propagation delay.
7. What is the operating temperature range?
The device operates reliably in temperatures ranging from -40°C to +85°C.
8. Does the SN74LVTH245ADBR support bidirectional data flow?
Yes, it supports bidirectional data transfer between two buses.
9. Is the device RoHS compliant?
Yes, it is RoHS compliant, ensuring it meets environmental and safety standards.
10. What are the typical applications of this device?
Typical applications include communication systems, industrial automation, embedded systems, consumer electronics, and automotive electronics.
