74LS681N

Overview

The 74LS681N is an arithmetic logic unit (ALU) manufactured by Rochester Electronics, LLC. It belongs to the LS series of TTL logic devices and is housed in a PDIP-40 package. The component supports parallel data input and output operations for digital processing tasks.

Feature Summary

• Performs arithmetic and logical operations on binary data
• Features parallel data input and output interfaces
• Compatible with standard TTL logic voltage levels

Applications

• Digital signal processing systems
• Microprocessor-based control units
• Arithmetic calculation modules in embedded hardware

Procurement Notes

Verify the manufacturer marking matches Rochester Electronics, LLC. Confirm the package type is PDIP-40. Check for lead presence as this is a non-RoHS compliant component. Ensure the part number suffix indicates the correct variant.

Selection Notes

Select this component when a dedicated ALU function is required within a TTL-compatible design. Consider the PDIP-40 package for through-hole mounting requirements. Verify that the LS series speed and power characteristics meet the system specifications.

Part Context

This device is part of the broader 74LS family of logic integrated circuits. Rochester Electronics provides these components as manufactured or recreated parts based on original intellectual property. The 74LS681N serves as a functional block for complex digital computations.