Texas Instruments SN74LVT245BDWR

The SN74LVT245BDWR is a high-performance octal bus transceiver from Texas Instruments, engineered for 3.3V systems. It provides bidirectional, non-inverting data transfer with 3-State outputs for bus multiplexing. Operating from 2.7V to 3.6V, it delivers 32mA source and 64mA sink current, ensuring robust signal drive. The 20-pin SOIC package (7.50mm width) is suitable for through-hole or surface-mount assembly. This device is widely used in networking, industrial control, and telecommunications for reliable data buffering and level translation.

• Robust 64mA Sink Current: Drives high-capacitance buses without signal degradation, improving system reliability.
• SOIC-20 Package: Easier to solder and inspect compared to finer-pitch packages, reducing manufacturing defects.
• 3-State Outputs: Enables efficient bus sharing in multi-master systems, preventing data collisions.
• Proven 74LVT Family: Industry-standard logic family with wide availability and long-term supply assurance.

Networking Switch Data Plane

In Ethernet switches, the SN74LVT245BDWR buffers data between the switch fabric and PHY transceivers. The 64mA sink current ensures clean signal transitions on long PCB traces, reducing bit error rates.

RAID Controller Memory Interface

For RAID storage controllers, this transceiver provides the necessary drive strength to interface the controller ASIC with DDR memory modules, maintaining signal integrity at high clock speeds.

Medical Imaging Equipment

In ultrasound or MRI systems, the device buffers digital control signals between the main processor and sensor arrays. Its wide temperature range and robust drive make it reliable in critical diagnostic equipment.

Test and Measurement Instruments

For oscilloscopes and logic analyzers, the SN74LVT245BDWR enables high-speed data acquisition by buffering signals from front-end ADCs to the processing unit, preserving waveform fidelity.

Avionics Data Buses

In avionics systems, this transceiver interfaces between flight control computers and navigation sensors. The 3-State outputs allow multiple sensors to share a common data bus safely.

High-Reliability Industrial Controllers

With its -40°C to 85°C rating, this device is perfect for factory automation controllers that must operate reliably in harsh thermal environments while driving multiple I/O modules.

Q: What is the logic family of the SN74LVT245BDWR?

A: It is part of the 74LVT family, optimized for low-voltage, high-speed bus interfacing.

Q: What function does this device perform?

A: It is an octal (8-bit) non-inverting transceiver for bidirectional data transfer.

Q: How many channels are included?

A: It provides 8 channels, enabling full byte-wide communication.

Q: What is the output configuration?

A: It features 3-State outputs, allowing for bus sharing and isolation.

Q: What voltage range does it support?

A: It operates between 2.7V and 3.6V, ideal for 3.3V logic systems.

Q: What package is this variant?

A: It is offered in a 20-pin SOIC package with a 7.50mm body width.

• SN74LVT245BDWR.pdf

Q: What is the logic family of the SN74LVT245BDWR?

A: It is part of the 74LVT family, optimized for low-voltage, high-speed bus interfacing.

Q: What function does this device perform?

A: It is an octal (8-bit) non-inverting transceiver for bidirectional data transfer.

Q: How many channels are included?

A: It provides 8 channels, enabling full byte-wide communication.

Q: What is the output configuration?

A: It features 3-State outputs, allowing for bus sharing and isolation.

Q: What voltage range does it support?

A: It operates between 2.7V and 3.6V, ideal for 3.3V logic systems.

Q: What package is this variant?

A: It is offered in a 20-pin SOIC package with a 7.50mm body width.