MM54HC393W/883

Counter Dividers Overview

The MM54HC393W/883 is a dual 4-bit binary counter belonging to the SN54HC series. It features two independent asynchronous counters with negative edge triggering and up-counting direction. The device utilizes CMOS technology and is housed in a ceramic DIP package, specifically designed for military specifications under MIL-STD-883 standards. It operates within a voltage range of 2 V to 6 V and supports an operating temperature range from -55 °C to 125 °C.

Counter Dividers Feature Summary

• Dual independent 4-bit asynchronous binary counters
• Negative edge triggered operation
• Military-grade qualification compliant with MIL-STD-883
• Wide operating temperature range suitable for harsh environments

Counter Dividers Applications

• Aerospace digital systems
• Military electronic equipment
• Harsh environment data processing

Counter Dividers Procurement Notes

Verify that the component explicitly carries the /883 suffix to confirm compliance with MIL-STD-883 manufacturing and testing requirements. Ensure the supplier provides traceability documentation and quality certifications appropriate for military procurement standards.

Counter Dividers Selection Notes

Select this part when military reliability and radiation hardness are required. It serves as a direct replacement for other SN54HC393 variants meeting the same military specifications. Verify package compatibility and thermal management needs for high-temperature applications.

Counter Dividers Part Context

This component is part of the SN54HC family, which includes various logic functions designed for military and aerospace applications. The HC series offers high-speed CMOS performance with wide voltage tolerance. The /883 designation indicates adherence to specific military quality and screening standards.

Counter Dividers Replacement Considerations

Compatible substitutes include other SN54HC393 variants with the /883 suffix or equivalent parts from manufacturers like Rochester Electronics that meet MIL-STD-883 requirements.