The MC74F240DWR2 is an octal buffer/line driver with inverted 3-state outputs manufactured by Freescale Semiconductor (now NXP). This device is part of the 74F family, known for its high-speed operation. It contains eight independent buffer/line driver circuits, each with an inverted output. Two enable inputs control four buffers each. When the enable input is low, the outputs are active; when the enable input is high, the outputs are in a high-impedance state.

Applications

• Memory Addressing: Used to drive address lines in memory systems.
• Bus Driving: Used to drive data lines on a shared bus.
• Line Driving: Used to drive signals over long distances.
• Data Multiplexing: Used to select one of multiple data sources.
• Logic Isolation: Used to isolate sections of a digital circuit.

Features

• Octal Buffer/Line Driver: Contains eight independent buffer/line driver circuits.
• Inverted Outputs: Outputs are the inverse of the inputs.
• 3-State Outputs: Outputs can be high, low, or high-impedance.
• High-Speed Operation: Offers fast switching speeds typical of the 74F family.
• TTL Compatible: Compatible with standard TTL logic levels.

Benefits

• High Drive Capability: Provides sufficient current to drive heavily loaded lines.
• Bus Sharing: 3-state outputs allow multiple devices to share the same bus.
• Improved System Performance: High-speed operation reduces propagation delays.
• Easy Integration: TTL compatibility simplifies integration with other logic devices.
• Flexible Configuration: Can be used in a variety of buffering and driving applications.

Additional Details

The MC74F240DWR2 is typically available in a SOIC (Small Outline Integrated Circuit) package. The device has two enable inputs, each controlling four buffer/line driver circuits. When the enable input is low, the outputs are active and the output is the inverse of the input. When the enable input is high, the outputs are in a high-impedance state. This device is ideal for driving heavily loaded lines or for multiplexing data onto a shared bus.