CD74HCT283M

Specialty Logic Overview

The CD74HCT283M is a high-speed CMOS 4-bit binary full adder manufactured by Harris Corporation. It operates within a supply voltage range of 4.5V to 5.5V and features propagation delays ranging from 13 ns to 22 ns depending on conditions. The device supports low-level output currents up to 4 mA and high-level output currents up to -4 mA. It is housed in a 16-pin SOIC package and functions reliably across an operating temperature range of -55°C to +125°C.

Specialty Logic Feature Summary

• Performs addition of two 4-bit binary numbers with fast carry generation
• Generates a carry-out bit when the sum exceeds 15
• Utilizes high-speed CMOS technology for efficient operation

Specialty Logic Applications

• Digital arithmetic circuits
• Calculators
• Counters

Specialty Logic Procurement Notes

Verify component authenticity as this part may be obsolete or sourced from secondary markets. Confirm lot codes and date codes against current inventory records. Ensure handling procedures for static-sensitive devices are followed during receipt and storage. Check RoHS compliance status if required for specific manufacturing standards.

Specialty Logic Selection Notes

Select this component for applications requiring precise 4-bit binary addition with fast carry propagation. Ensure the system voltage aligns with the 4.5V to 5.5V operational range. Consider the wide temperature tolerance for industrial environments. Verify package compatibility with existing PCB footprints before integration.

Specialty Logic Part Context

This component belongs to the 74HCT logic family, designed for compatibility with standard TTL inputs while utilizing CMOS power characteristics. Harris Corporation originally developed this series for robust digital logic applications. The CD74HCT283M specifically addresses needs for reliable arithmetic operations in consumer and industrial electronics.

Specialty Logic Replacement Considerations

Public confirmed substitute part numbers: CD74HC283M, CD74HC583M.