74AC240SJ

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74AC240SJ is an octal bus buffer and line driver belonging to the AC logic series. It features eight inputs and outputs with inverting polarity and three-state output capability. The device operates within a supply voltage range of 2 V to 6 V, drawing a maximum static current of 4 uA. Propagation delay is specified at 9 ns at 3.3 V and 7 ns at 5 V. Output drive strength provides high-level and low-level currents of -24 mA and 24 mA respectively. It is housed in a SOP-20 package for surface mount installation.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight independent buffered channels
• Three-state outputs allowing direct connection to bus lines
• Inverting polarity for signal inversion during buffering
• High noise immunity characteristics inherent to CMOS technology

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address decoding systems
• Clock distribution networks
• Bus-oriented transmissions
• Driving capacitive loads across data buses

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify component authenticity through authorized distributors or official manufacturer channels. Confirm RoHS compliance status and specific marking codes against the datasheet. Check for moisture sensitivity levels and recommended reflow profiles if handling requires strict environmental controls. Ensure the SOP-20 package variant matches design footprint requirements before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal inverting buffer with three-state control is required for bus applications. Consider the 2 V to 6 V operating range for compatibility with various logic families. Evaluate propagation delay specifications against system timing constraints. Compare pinout compatibility with existing designs requiring 74AC series replacements.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74AC family of high-speed CMOS logic devices manufactured by onsemi. It serves as a standard octal buffer solution for digital systems requiring signal isolation and driving capability. The device complements other members like the non-inverting 74AC241 within the same logic family ecosystem.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for MC74AC240DTR2G or MC74AC240DWG from onsemi for functional equivalents. Verify package differences between SOP-20 and SOIC-20/TSSOP-20 variants. Ensure electrical parameters match application requirements when substituting.