74F240SC

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74F240SC is an octal buffer and line driver featuring 3-state outputs, designed for memory and address drivers, clock drivers, and bus-oriented transmitters/receivers. It operates within a supply voltage range of +4.5V to +5.5V. The device provides high drive capability with output sink currents up to 64 mA and source currents of 12 mA. Propagation delays are specified at a maximum of 7.0 ns at VCC = 5.0V with CL = 50 pF. It is housed in a 20-lead Small Outline Integrated Circuit (SOIC) package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Features 3-state outputs suitable for driving bus lines or buffering memory address registers
• Includes input clamp diodes to limit high-speed termination effects
• Designed to improve PC and board density as a memory and address driver

Buffers, Drivers, Receivers, Transceivers Applications

• Memory and address drivers
• Clock drivers
• Bus-oriented transmitters and receivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the component status carefully as this part may be obsolete. Confirm that the specific SOIC package variant matches your design requirements. Check for valid substitute part numbers if new production units are unavailable. Ensure all electrical parameters align with your system specifications before procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring high current drive capabilities and fast switching speeds in standard logic families. Consider the 3-state functionality for bus sharing applications. Verify thermal management needs due to significant power consumption during active states. Ensure compatibility with existing PCB footprints for the 20-lead SOIC package.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the 74F series of logic integrated circuits, known for high-speed performance. It is functionally related to the 74F241 and 74F244, differing primarily in output polarity and enable configurations. The 74F240 specifically provides non-inverting buffers with dual 3-state control inputs.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include other 74F240 variants from different manufacturers or pin-compatible alternatives within the same logic family. Verify package dimensions and electrical characteristics match exactly when selecting replacements.