SN74BCT240NSR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74BCT240NSR is an octal buffer and line driver from the BCT logic series, manufactured by Texas Instruments. It features eight inputs and three-state outputs in a 20-pin SOIC package. The device operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical parameters include a low-level output current of 64 mA and a high-level output current of -15 mA. Propagation delay is specified at 4.8 ns at 5 V. It supports surface mount installation and functions within a temperature range of 0°C to +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides buffering and driving capabilities for digital signals with inverted polarity.
• Features three-state outputs to facilitate bus-oriented communication systems.
• Utilizes BiCMOS technology to achieve high-speed performance with low power consumption.

Buffers, Drivers, Receivers, Transceivers Applications

• Clock drivers
• Buffering memory address buses
• Driving high-capacitance loads

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'SR' indicates reel packaging when ordering. Confirm the BCT series designation matches the required 5V operation and BiCMOS characteristics. Ensure the SOIC-20 package footprint aligns with the target PCB design. Check RoHS compliance status through official manufacturer documentation prior to integration.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring high drive strength with moderate speed in a 5V environment. Compare against HC or HCT series if lower cost or different voltage compatibility is needed. Consider ACT series for faster propagation delays if system timing permits. Verify thermal requirements fit within the commercial temperature range.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74BCT240 family of octal buffers. It shares functional similarities with other 240-series devices but differs in technology (BiCMOS vs CMOS) and speed characteristics. It serves as a standard interface component in digital logic circuits, distinct from the ABT or LVT families which offer different voltage levels or speeds.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74BCT240DW is a tube-packaged equivalent in the same SOIC-20 package. SN74BCT240N is a PDIP-20 through-hole alternative. Cross-reference datasheets for exact pinout and electrical parameter matching before substitution.