SN74LS640NS

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LS640NS is an octal bus transceiver from the Texas Instruments 74LS series, housed in a 20-pin DIP package. It operates with TTL input and output levels within a supply voltage range of 4.75 V to 5.25 V. The device features bidirectional data transfer capability controlled by a direction pin and includes three-state outputs for effective bus isolation. It supports a propagation delay of 15 ns and provides a low-level output current of 24 mA.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Bidirectional octal bus transceiver functionality
• Three-state outputs for bus isolation
• TTL-compatible input and output levels

Buffers, Drivers, Receivers, Transceivers Applications

• Memory module data bus interfacing
• Microprocessor system data routing
• Control signal distribution networks

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'NS' against the manufacturer's official documentation to confirm the exact package variant and manufacturing origin. Ensure compatibility with existing PCB footprints and verify that the logic family requirements align with the target circuit design before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring high-speed octal data transfer between buses. The LS logic family offers a balance of speed and power consumption suitable for standard digital applications. Confirm that the operating temperature range meets the environmental specifications of the intended deployment scenario.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Texas Instruments 74LS640 series of octal bus transceivers. It serves as a critical interface component in digital electronics, facilitating data movement between different sections of a circuit board while maintaining signal integrity through its three-state output architecture.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LS640N

Buffers, Drivers, Receivers, Transceivers FAQ

What is the logic family of the SN74LS640NS?

It belongs to the 74LS (Low-power Schottky) logic family.

Does the SN74LS640NS support bidirectional data flow?

Yes, it is designed for bidirectional data transfer controlled by a direction input pin.