onsemi

MC74HC245ADWR2G

MC74HC245ADWR2G Description

The MC74HC245ADWR2G from onsemi is a high-performance, 8-bit bidirectional transceiver designed for voltage-level translation and signal buffering in digital systems. Part of the 74HC series, it operates within a 2V to 6V supply range, making it compatible with both 3.3V and 5V logic levels. This non-inverting transceiver is housed in a 20-pin SOIC package and is available in Tape & Reel (TR) for automated assembly. With ROHS3 compliance and REACH unaffected status, it meets stringent environmental standards. The device features tri-state outputs and supports bidirectional data flow, controlled by a direction pin (DIR) and an output enable (OE) pin for flexible system integration.

MC74HC245ADWR2G Features

• 8-bit bidirectional transceiver with non-inverting logic for seamless signal translation.
• Wide voltage range (2V–6V), ensuring compatibility with mixed-voltage systems.
• High output current (7.8mA sink/source) for driving capacitive loads or multiple inputs.
• Tri-state outputs allow bus isolation, reducing contention in shared-bus architectures.
• Low power consumption typical of HC logic family, ideal for battery-operated devices.
• Surface-mount (SOIC-20) packaging for compact PCB designs.
• Moisture Sensitivity Level (MSL 3) ensures reliability in humid environments.
• RoHS3 and REACH compliant, adhering to global environmental regulations.

MC74HC245ADWR2G Applications

This transceiver excels in applications requiring bidirectional data transfer and voltage-level shifting, such as:

• Microcontroller/microprocessor interfacing in embedded systems.
• Bus isolation and buffering in industrial automation and automotive electronics.
• Data communication systems, including UART, SPI, and I2C level translation.
• Portable electronics due to its low power consumption and small footprint.
• Test and measurement equipment where signal integrity is critical.

Conclusion of MC74HC245ADWR2G

The MC74HC245ADWR2G stands out for its robust performance, flexibility, and compliance with modern environmental standards. Its bidirectional capability, wide voltage range, and high drive strength make it a versatile choice for mixed-voltage systems, while its compact SOIC package suits space-constrained designs. Whether used in industrial, automotive, or consumer electronics, this transceiver delivers reliable signal integrity and efficient power management, making it a preferred solution for engineers designing next-generation digital systems.