MM82PC12NI

I/o Expanders Overview

The MM82PC12NI is an 8-bit CMOS input/output port manufactured by National Semiconductor. It provides eight parallel I/O lines within a single integrated circuit package. The device utilizes standard CMOS technology for operation. It is designed to expand system capabilities by adding additional digital input and output channels. The component supports bidirectional data transfer across its eight pins. It functions as a general-purpose interface element for microprocessor systems requiring extended I/O connectivity.

I/o Expanders Feature Summary

• Provides eight parallel digital input and output lines
• Utilizes CMOS technology for signal processing
• Functions as a dedicated I/O expander for system integration

I/o Expanders Applications

• Microprocessor system I/O expansion
• Digital interface control circuits
• Parallel data acquisition systems

I/o Expanders Procurement Notes

Verify the manufacturer designation matches National Semiconductor specifications. Confirm the package type aligns with PDIP24 requirements. Ensure the part number suffix indicates the correct variant. Check datasheet documentation for electrical characteristics relevant to the specific application environment. Validate component authenticity through authorized distribution channels.

I/o Expanders Selection Notes

Select this component when eight parallel I/O lines are required in a CMOS-compatible design. Consider the PDIP24 package dimensions for board layout constraints. Evaluate power supply voltage ranges against system requirements. Assess pinout compatibility with existing circuit designs. Review timing specifications for interface synchronization needs.

I/o Expanders Part Context

This component belongs to the family of parallel I/O ports produced by National Semiconductor. It serves as a hardware solution for expanding digital connectivity in embedded systems. The device complements other interface components by providing dedicated I/O functionality. It represents a standard offering for general-purpose digital interfacing applications within the manufacturer's portfolio.

I/o Expanders Replacement Considerations

The MM82PC12NI/883 and MM82PC12NI/A are documented variants of this component. Verify functional equivalence before substitution. Check package compatibility for direct replacement scenarios. Review datasheet parameters for both original and substitute parts.