74AC240SC

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74AC240SC is an octal buffer and line driver belonging to the AC logic series. It features eight inputs and three-state outputs with inverting polarity. The device operates within a supply voltage range of 2 V to 6 V. Key electrical parameters include a maximum high-level output current of -24 mA and a low-level output current of 24 mA. Static current is specified at 4 uA. Propagation delay is 8 ns at 3.3 V and 6.5 ns at 5 V. It is housed in a SOIC-20 package and supports surface mount installation.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides octal buffering and line driving capabilities for digital signal transmission.
• Features three-state outputs allowing direct connection to bus lines without external drivers.
• Offers symmetrical output impedance for balanced propagation delays.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory module address and data bus buffering
• Clock distribution networks
• Bus-oriented transmissions

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify component authenticity through authorized distributors or manufacturer channels. Confirm RoHS compliance status as indicated in official documentation. Check for obsolescence notices, as this specific part number may be discontinued. Ensure the SOIC-20 package matches design requirements. Validate operating temperature ranges against application constraints before procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring wide voltage operation between 2 V and 6 V. Consider the AC logic series for improved speed over standard 74LS equivalents. Verify pin compatibility with existing designs if replacing older variants. Evaluate thermal performance based on the SOIC-20 package power dissipation limits. Ensure input levels match the system logic family.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the 74AC240 family of octal buffers. It shares functional similarities with other 74AC series devices but is distinct from non-inverting variants like the 74AC244. The SC suffix typically denotes the SOIC-20 package configuration. It serves as a critical interface element in digital systems requiring signal isolation and drive strength enhancement.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.