93S41DC

Specialty Logic Overview

The DM93S41DC is a 4-bit Arithmetic Logic Unit (ALU) manufactured by National Semiconductor, part of the DM93S41 logic series. It operates within a supply voltage range of 4.5 V to 5.5 V and features a propagation delay of 25 ns. The device provides a high-level output current of -1 mA and a low-level output current of 20 mA. It is housed in a DIP-24 package for through-hole mounting and functions across an operating temperature range of 0°C to +70°C.

Specialty Logic Feature Summary

• Performs arithmetic and logical operations on 4-bit data words
• Utilizes Schottky technology for high-speed switching performance
• Supports standard TTL-compatible input and output voltage levels

Specialty Logic Applications

• Data processing units in digital computing systems
• Control logic circuits requiring fast arithmetic execution
• Industrial control equipment with standard logic interfaces

Specialty Logic Procurement Notes

Verify component authenticity due to potential availability from multiple manufacturers including Fairchild and onsemi following industry acquisitions. Confirm that the DC suffix denotes the specific commercial temperature grade and package variant required for your design. Ensure compatibility with existing PCB footprints and thermal management strategies before finalizing procurement orders.

Specialty Logic Selection Notes

Select this component when a dedicated 4-bit ALU with Schottky speed characteristics is required. Compare against LS or F series alternatives if power consumption or speed requirements differ significantly. Verify that the DIP-24 package aligns with assembly capabilities and that the 0°C to +70°C temperature range meets environmental specifications.

Specialty Logic Part Context

This component belongs to the DM93Sxx family of high-speed Schottky logic devices originally developed by National Semiconductor. These parts were designed to offer faster switching speeds than standard TTL while maintaining pin compatibility. The DM93S41 specifically implements the functionality of a 4-bit ALU, serving as a core computational element in legacy digital designs.

Specialty Logic Replacement Considerations

• DM93S41N
• SN54LS181
• MC5474F181

Specialty Logic FAQ

What is the maximum supply voltage for the DM93S41DC?

The maximum operating supply voltage is 5.5 V.

Does the DM93S41DC support negative logic inputs?

The datasheet specifies standard TTL-compatible logic levels; specific negative logic implementation depends on external circuit configuration rather than internal device structure.