SN74LS645N3

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LS645N3 is an octal bus transceiver from the Texas Instruments SN74LS series, featuring three-state outputs. It operates within a supply voltage range of 4.75 V to 5.25 V and supports bidirectional data transfer controlled by a direction signal. The device utilizes TTL input levels and provides TTL output levels. It is housed in a 20-pin PDIP package and is rated for operation at temperatures between 0°C and +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus transceiver with three-state outputs
• Bidirectional data transfer capability
• TTL-compatible input and output levels

Buffers, Drivers, Receivers, Transceivers Applications

• Memory and memory mapping
• Instrumentation
• Control lines

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the exact part number against official documentation, as suffixes like 'N3' may indicate specific packaging or regional variants not explicitly detailed in standard datasheets. Confirm RoHS compliance and lead finish details via the manufacturer's current ordering information before procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal bus transceiver with three-state outputs and TTL compatibility is required. Ensure the application environment stays within the specified temperature range and voltage limits. Consider alternative packages if surface mount technology is preferred over through-hole DIP.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the SN74LS family of logic integrated circuits, known for low-power Schottky performance. It is functionally similar to other octal bus transceivers but distinguished by its specific TTL interface characteristics and three-state output configuration suitable for system bus architectures.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LS645N

Buffers, Drivers, Receivers, Transceivers FAQ

What is the primary function of the SN74LS645N3?

It serves as an octal bus transceiver with three-state outputs, allowing bidirectional data transfer controlled by a direction signal.

Does the SN74LS645N3 support bidirectional data flow?

Yes, it supports bidirectional data transfer between two buses, determined by the direction control input.