CD74HC191MG4

Counter Dividers Overview

The CD74HC191MG4 is a high-speed CMOS logic device featuring a presettable synchronous 4-bit binary up/down counter. Manufactured by Texas Instruments, this component operates within a supply voltage range of 2V to 6V and supports bidirectional counting modes. It utilizes an asynchronous parallel load feature for data presetting and is housed in a 16-SOIC surface-mount package. The device is designed for applications requiring reliable digital counting operations with fast propagation delays.

Counter Dividers Feature Summary

• Synchronous 4-bit binary up/down counting capability
• Asynchronous parallel load function for immediate data presetting
• High-speed CMOS technology ensuring low power consumption

Counter Dividers Applications

• Digital frequency counters
• Position control systems
• Timing sequence generators

Counter Dividers Procurement Notes

Verify the current lifecycle status before procurement as the CD74HC191MG4 may be obsolete or discontinued by Texas Instruments. Confirm availability through authorized distributors and check for valid replacement components if the specific part number is no longer manufactured. Ensure compatibility with existing design requirements when sourcing substitutes.

Counter Dividers Selection Notes

Select this component for designs requiring synchronous 4-bit counting with parallel load functionality. Verify that the 16-SOIC package fits the PCB layout constraints. Ensure the operating voltage range of 2V to 6V aligns with the system power supply. Consider the high-speed CMOS characteristics for performance needs.

Counter Dividers Part Context

This part belongs to the CD74HC191 series of high-speed CMOS logic counters. It is a specialized integrated circuit designed for digital logic applications. The MG4 suffix typically indicates a specific tape and reel packaging option or manufacturing variant within the broader product family.

Counter Dividers Replacement Considerations

Public confirmed substitute part numbers include CD74HC191M and CD74HC191MT. Verify pinout and electrical specifications match before substitution.