54170DM

Overview

The National Semiconductor 54170DM is a universal shift register file integrated circuit. It contains one element with four-bit capacity, designed for reliable data transfer applications. The component is housed in a 16-CDIP package with a lead spacing of 0.300 inches (7.62mm). As a military-grade logic device, it supports high-reliability digital systems requiring precise timing and data storage functions.

Feature Summary

• Universal shift register architecture supporting multiple data transfer modes
• Single-element four-bit storage configuration
• Military-grade reliability for demanding operational environments

Applications

• Digital data storage systems
• Serial-to-parallel data conversion circuits
• High-reliability military electronic equipment

Procurement Notes

Verify the manufacturer origin, as National Semiconductor assets are now managed by Texas Instruments. Confirm the package type matches the required 16-CDIP specification. Ensure the part number suffix indicates the correct temperature range and grade for your specific application requirements before finalizing procurement.

Selection Notes

Select this component when a single four-bit universal shift register is required within a larger digital system. It is suitable for designs needing robust data handling capabilities in harsh environments. Consider pin compatibility and voltage levels against existing system constraints to ensure seamless integration without additional level shifting.

Part Context

This component belongs to the standard logic family produced by National Semiconductor, now part of Texas Instruments. It represents a legacy military-grade IC used in specialized digital electronics. The 54-series designation typically indicates wider operating temperature ranges compared to commercial variants.

Replacement Considerations

Check for direct equivalents from Texas Instruments or other authorized distributors. Verify pinout compatibility and electrical specifications before substituting. Ensure any replacement maintains the same package style and performance characteristics.