ON Semiconductor MC74F245DWR2 Octal Bidirectional Transceiver

The ON Semiconductor MC74F245DWR2 is a high-performance, octal bidirectional transceiver designed for asynchronous communication between data buses. This integrated circuit is capable of driving heavily loaded buses with up to 15 LSTTL loads. The MC74F245DWR2 is characterized for operation from 0°C to 70°C, making it suitable for a wide range of commercial applications.

This transceiver allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction control (DIR) input. The output enable (OE) input can be used to disable the device so that the buses are effectively isolated. The MC74F245DWR2 is designed with an octal bus interface in a 20-pin wide-body SOIC package, offering a compact footprint for space-constrained applications.

Key Features:

• Bus Interface: 8-bit bidirectional transceiver, allowing for versatile interfacing between two buses.
• Direction Control: DIR input controls the direction of data flow, providing flexible data management.
• Output Enable: OE input disables the outputs, allowing the buses to be isolated when not in use or during power-up.
• Drive Capability: Capable of driving up to 15 LSTTL loads, ensuring robust signal integrity even in demanding environments.
• Power Supply: The device operates at a nominal 5V, which is common in TTL systems.
• Operating Temperature: Specified for operation from 0°C to 70°C, suitable for commercial-grade applications.
• Package: Offered in a 20-pin wide-body SOIC package, providing a space-efficient solution.

The MC74F245DWR2 is ideal for applications that require reliable and efficient data transfer between two digital buses. Its bidirectional nature and control features make it an essential component for systems where data flow control is critical. Whether you are designing a microprocessor bus interface, a memory swap circuit, or a bidirectional buffer, the MC74F245DWR2 from ON Semiconductor delivers the performance and reliability your project demands.