SN74HC191NS

Counter Dividers Overview

The SN74HC191NS 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 a maximum counting rate of 24 MHz. The device features asynchronous reset functionality and positive-edge-triggered flip-flops. Designed for surface-mount applications, it is housed in a 16-SOIC package with a width of 5.30 mm. The component functions as a single-element logic IC capable of bidirectional counting operations.

Counter Dividers Feature Summary

• Synchronous 4-bit up/down binary counting capability
• Asynchronous reset function for immediate state clearing
• Positive-edge-triggered operation for precise timing control

Counter Dividers Applications

• Digital frequency division circuits
• Sequential logic state machines
• Binary counting applications in embedded systems

Counter Dividers Procurement Notes

Verify the specific manufacturer part number SN74HC191NS against official Texas Instruments documentation to confirm pinout compatibility and electrical specifications. Ensure the selected package variant matches the required 16-SOIC footprint for proper PCB integration. Cross-reference datasheet parameters such as operating temperature and supply voltage limits before finalizing procurement decisions.

Counter Dividers Selection Notes

Select this component when a synchronous 4-bit binary counter with bidirectional counting is required. The SN74HC191NS is suitable for designs needing an asynchronous reset and operation within the standard HC logic voltage range. Consider the 16-SOIC package constraints and ensure the application environment falls within the specified -40°C to 85°C operating temperature range.

Counter Dividers Part Context

This device belongs to the Texas Instruments 74HC series of high-speed CMOS logic components. The 74HC191 specifically denotes a synchronous up/down counter within this family. It is distinct from asynchronous counters like the 74HC163 or decade counters like the 74HC190, offering specific bidirectional counting capabilities essential for complex digital sequencing tasks.

Counter Dividers Replacement Considerations

Consult official Texas Instruments substitution guides for verified alternatives. Generic equivalents may differ in switching speeds or package dimensions.