SN74HC240ANSR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC240ANSR is an octal buffer and line driver manufactured by Texas Instruments, belonging to the HC logic series. It features eight inverting outputs with three-state capability housed in a 20-pin SOIC package. The device operates within a supply voltage range of 2 V to 6 V. Electrical characteristics include high-level output current of -7.8 mA and low-level output current of 7.8 mA. Static current is specified at 8 uA, while operating supply current reaches 80 uA. The component supports through-hole installation and functions reliably across a temperature range from -40 C to +85 C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight independent inverting buffers or line drivers
• Three-state output architecture enabling bus-oriented systems
• CMOS technology ensuring low power consumption and high noise immunity

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented systems requiring signal buffering
• Memory address decoding applications
• Clock driver circuits for digital systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix ANSR against official datasheets to confirm the SOIC-20 surface mount package and reel packaging format. Ensure compatibility with standard 2V to 6V logic families. Confirm RoHS compliance status and moisture sensitivity level prior to integration into manufacturing processes.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring octal buffering with three-state control. It serves as a suitable alternative to DIP packages for space-constrained PCB layouts. Verify that the 7.8 mA drive current meets load requirements and that the 2V minimum supply voltage aligns with system power rails.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the widely adopted 74HC family of high-speed CMOS logic devices. It provides pin-compatible alternatives to older TTL technologies while offering improved power efficiency. The SN74HC240ANSR variant specifically adapts the standard octal buffer function for surface mount assembly, facilitating automated placement in modern electronics manufacturing.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HC240NSR is documented as a direct substitute.