MM74HC595N

Shift Registers Overview

The MM74HC595N is an 8-bit serial-in, parallel-out shift register with output latches manufactured by Fairchild Semiconductor. It utilizes advanced silicon-gate CMOS technology to provide high noise immunity and low power consumption. The device features a wide operating voltage range from 2V to 6V and includes a direct clear function for the shift register. It is designed to drive up to 15 LS-TTL loads and supports cascading for expanded I/O capabilities.

Shift Registers Feature Summary

• High-speed shift register utilizing advanced silicon-gate CMOS technology
• Wide operating voltage range supporting 2V to 6V operation
• Cascadable design with direct clear functionality for the shift register

Shift Registers Applications

• General-purpose digital logic circuits requiring serial-to-parallel conversion
• LED display drivers and indicator control systems
• I/O expansion modules for microcontroller-based embedded systems

Shift Registers Procurement Notes

Verify the manufacturer designation on the component marking, as this part number is associated with Fairchild Semiconductor, which has undergone corporate restructuring. Confirm that the specific unit received matches the original Fairchild specifications rather than subsequent ON Semiconductor revisions if strict legacy compliance is required. Check RoHS status documentation for environmental compliance details relevant to your manufacturing region.

Shift Registers Selection Notes

Select this component when a reliable 8-bit shift register with parallel output is needed for CMOS logic families. It is suitable for applications requiring low quiescent current and high noise immunity. Ensure the supply voltage remains within the 2V to 6V range to maintain guaranteed shift frequencies up to 30MHz. Consider the PDIP-16 package constraints for through-hole mounting requirements in your PCB layout.

Shift Registers Part Context

This component belongs to the 74HC series of high-speed CMOS logic devices. It serves as a fundamental building block for data serialization and parallel distribution in digital electronics. The MM74HC595N variant specifically denotes the through-hole PDIP-16 packaging option provided by Fairchild Semiconductor, distinguishing it from surface-mount equivalents like the SOIC or SSOP variants available in the same logical family.

Shift Registers Replacement Considerations

SN74HC595N (Texas Instruments)

Shift Registers FAQ

What is the maximum guaranteed shift frequency for the MM74HC595N?

The datasheet guarantees a shift frequency of DC to 30MHz.

Does the MM74HC595N support cascading with other units?

Yes, the device includes a serial output pin that allows multiple units to be cascaded for expanding the number of parallel outputs.