74F182SJ

Overview

The 74F182SJ is a high-speed carry lookahead generator belonging to the Fairchild F/FAST series. It is designed for synchronous operation with separate inputs and outputs, packaged in a 16-pin SOIC (SOP) format. The device supports 4-bit data processing and operates within a standard temperature range of 0°C to 70°C. Key electrical characteristics include a maximum operating frequency of 90 MHz and a maximum output low current of 20 mA. It features a plastic/epoxy package body and complies with RoHS standards.

Feature Summary

• Provides high-speed carry lookahead generation to accelerate arithmetic operations
• Designed for synchronous logic applications with dedicated input/output structures
• Compatible with 4-bit arithmetic logic units for enhanced processing speed

Applications

• High-speed arithmetic logic unit (ALU) systems
• Digital signal processing circuits requiring rapid carry propagation
• Complex logic designs utilizing 4-bit computational blocks

Procurement Notes

Verify the specific suffix 'SJ' corresponds to the 16-pin SOIC package variant when sourcing. Confirm that the component meets the required RoHS compliance standards for your assembly process. Ensure the operating environment remains within the specified 0°C to 70°C temperature range to maintain performance integrity. Cross-reference the manufacturer's latest documentation to confirm pinout compatibility with existing board layouts.

Selection Notes

Select this component when system design requires minimizing carry propagation delay in 4-bit arithmetic operations. It is suitable for applications where synchronous logic timing is critical and higher speed than standard TTL families is necessary. Consider the SOIC package constraints for PCB space and thermal management requirements during the layout phase.

Part Context

This component is part of the 74F family, which offers faster switching speeds compared to standard 74LS logic. It serves as a complementary device to 4-bit ALUs like the 74F181, enabling faster computation by generating carry signals in advance rather than waiting for ripple-through propagation.

Replacement Considerations

Equivalent functions are available from other manufacturers under the generic 74F182 designation. Verify pin compatibility and electrical specifications before substituting with variants from different suppliers.