74AC240MTC

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74AC240MTC is an octal bus buffer and line driver belonging to the 74AC logic family. It features eight independent inverting channels with three-state outputs housed in a TSSOP-20 package. The device operates within a supply voltage range of 2 V to 6 V, supporting low power consumption with a maximum static current of 8 µA. It provides symmetrical output drive capabilities of 24 mA for both high and low states. Propagation delays are specified at 8 ns at 3.3 V and 6.5 ns at 5 V, ensuring high-speed signal transmission across a wide temperature range from -40 °C to +85 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight independent inverting buffer channels
• Three-state outputs enabling efficient bus-oriented memory and communication systems
• Wide operating voltage range compatible with 2 V to 6 V power supplies
• High noise immunity and symmetrical output impedance characteristics

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and communication systems
• Clock buffering and distribution
• TTL to CMOS level translation
• High-noise-immunity signal isolation

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with the target system's voltage levels and thermal requirements. Confirm RoHS compliance status through manufacturer declarations. Cross-reference the component marking code with datasheet pinout diagrams to prevent installation errors during surface-mount assembly processes.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing circuits requiring octal buffering with inverted logic functions. It is suitable for applications demanding operation across a broad voltage spectrum between 2 V and 6 V. Consider its propagation delay specifications relative to system timing constraints. Evaluate the TSSOP-20 package dimensions against available PCB real estate and thermal dissipation needs for the intended environment.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the 74AC series of high-speed CMOS logic devices manufactured by onsemi. It serves as a direct replacement for legacy 74LS240 designs while offering improved speed and lower power consumption. The device maintains pin compatibility with standard 74-series logic families, facilitating straightforward upgrades in existing digital circuit architectures without requiring significant schematic modifications.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct functional equivalents include the MC74AC240DTR2G and 74AC240SCX. Verify package compatibility, specifically comparing TSSOP-20 against SOIC-20 or alternative reel configurations. Ensure electrical parameters such as propagation delay and output drive current meet the original design specifications before substitution.