SN74HC191N

Counter Dividers Overview

The SN74HC191N is a synchronous 4-bit up/down binary counter manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and supports counting rates up to 24 MHz. The device features asynchronous reset, positive-edge triggering, and bidirectional counting capabilities. It is housed in a 16-SOIC package with an operating temperature range of -40°C to 85°C.

Counter Dividers Feature Summary

• Synchronous 4-bit binary counting architecture
• Bidirectional up/down counting capability
• Asynchronous reset functionality
• Positive-edge triggered operation

Counter Dividers Applications

• Digital frequency division circuits
• Event counting systems
• Timing sequence control logic
• Binary data processing modules

Counter Dividers Procurement Notes

Verify the specific suffix 'N' indicates the SOIC-16 package variant when sourcing. Confirm RoHS compliance status for environmental regulations. Ensure the supplier provides official datasheets matching the SN74HC191 part number to validate electrical characteristics against design requirements.

Counter Dividers Selection Notes

Select this component for applications requiring synchronous 4-bit binary counting with bidirectional control. It is suitable for designs needing low power consumption and wide voltage operation. Consider the 16-pin surface mount package for space-constrained PCB layouts.

Counter Dividers Part Context

This component belongs to the Texas Instruments 74HC series of high-speed CMOS logic devices. It serves as a fundamental building block for digital counters in microcontroller-based systems and industrial automation equipment. The HC series offers compatibility with standard TTL logic levels while providing improved noise immunity.

Counter Dividers Replacement Considerations

SN74HC191DR: Same functional counter in tape-and-reel packaging.