SN74S240DW

Buffers, Drivers, Receivers, Transceivers Overview

The SN74S240DW is an octal buffer and line driver manufactured by Texas Instruments, belonging to the SN74S 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 4.5 V to 5.5 V. Key electrical parameters include a propagation delay of 6.5 ns at 5 V, a high-level output current of -15 mA, and a low-level output current of 64 mA. The static current is specified at 11 mA, with a maximum operating temperature of +70 C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight inverting buffer channels with three-state output control for bus-oriented systems.
• Utilizes Schottky transistor-transistor logic (TTL) technology to achieve high-speed signal transmission.
• Designed for surface-mount installation in standard 20-lead small-outline integrated circuit packages.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address decoding and data buffering in computer systems
• Clock drivers and buffered clock distribution networks
• Control signal routing in industrial automation equipment

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm package type and environmental compliance. Ensure the component matches the required logic family specifications for your design. Confirm that the ordering information aligns with the intended manufacturing process and quality standards before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when high-speed performance is required alongside robust drive capabilities. The SN74S series offers faster switching speeds compared to standard TTL variants but consumes more power. Consider the thermal management requirements due to higher static current consumption relative to CMOS alternatives.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74S family of high-speed Schottky TTL logic devices. It serves as a direct functional equivalent to other octal buffers in the industry, providing reliable signal inversion and driving strength for digital circuits requiring fast transition times and defined logic levels.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74AS240ADW

Buffers, Drivers, Receivers, Transceivers FAQ

What is the polarity of the SN74S240DW outputs?

The outputs are inverting, meaning the logical state at the output is the complement of the input state.

Does the SN74S240DW support bidirectional data flow?

No, it is a unidirectional device with inputs on one side and outputs on the other, controlled by enable signals.