SN74HCT240NSR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT240NSR is an octal buffer and line driver manufactured by Texas Instruments, belonging to the HCT logic series. It features eight inverting channels with three-state outputs housed in a 20-pin SOIC package. The device operates within a supply voltage range of 4.5 V to 5.5 V. It provides high noise immunity and TTL-compatible inputs while utilizing CMOS technology for low power consumption. The component supports surface-mount installation and functions reliably across an operating temperature range from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight independent inverting buffer channels
• Three-state output capability allowing bus-oriented connections
• TTL-compatible input thresholds ensuring compatibility with standard logic families
• CMOS construction delivering low static power consumption

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers
• Clock drivers
• Bus-oriented architectures

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific datasheet revision corresponding to the SN74HCT240NSR part number to ensure alignment with current electrical specifications and pinout configurations. Confirm that the SOIC-20 package dimensions match the target PCB footprint requirements. Ensure compliance with relevant environmental directives such as RoHS standards before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring octal buffering with three-state control at 5V logic levels. The HCT series is appropriate for applications needing direct interface with TTL devices without level shifting. Consider the SOIC-20 package for surface-mount assembly constraints. Evaluate propagation delay characteristics against system timing requirements to ensure signal integrity.

Buffers, Drivers, Receivers, Transceivers Part Context

This component is part of the SNx4HCT240 family of octal buffers and line drivers. It shares functional similarities with other members of the HCT series but differs in specific package options and suffix designations. The SN74HCT240NSR specifically denotes the tape-and-reel version of the standard SN74HCT240N device, optimized for automated surface-mount manufacturing processes.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include SN74HCT240N for through-hole applications or SN74HCT240PW for TSSOP packaging. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution.