SN74HCS240RKSR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCS240RKSR is an octal buffer and line driver from the Texas Instruments HCS logic family. It features eight inputs and eight outputs housed in a VQFN-20 package. The device operates within a supply voltage range of 2 V to 6 V. It provides high drive capability with output currents of ±35 mA. The component supports surface-mount installation and functions across an extended temperature range from -40°C to +125°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight independent buffering channels
• High-current output drivers capable of ±35 mA sourcing and sinking
• Wide operating voltage range supporting 2 V to 6 V supplies
• Automotive-grade reliability with extended industrial temperature ratings

Buffers, Drivers, Receivers, Transceivers Applications

• Automotive electronic systems requiring robust signal buffering
• High-speed data bus interface circuits
• Industrial control system I/O expansion
• Consumer electronics with wide voltage tolerance requirements

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix RKSR confirms the VQFN-20 package type and reel packaging format. Confirm the HCS series designation aligns with the required 2V to 6V operational voltage window. Ensure the automotive qualification status matches the target application environment specifications before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring high current drive capabilities alongside wide voltage flexibility. The HCS technology offers improved performance over standard HC families while maintaining compatibility. Consider the VQFN-20 footprint for compact board layouts requiring thermal efficiency and space optimization in dense assemblies.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74HCS240 series, which includes variants like SN74HCS240PW and SN74HCS240DWR. These devices share identical logical functionality but differ in physical packaging options such as TSSOP or SOIC. The RKSR suffix specifically denotes the VQFN-20 form factor optimized for surface-mount assembly processes.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include SN74HCS240PW and SN74HCS240DWR. Verify pinout compatibility and package dimensions when transitioning between different housing types. Ensure electrical characteristics remain within acceptable limits for the specific design constraints.