CD74HC190PWR

Counter Dividers Overview

The CD74HC190PWR is a synchronous up/down decade counter manufactured by Texas Instruments. It operates within the HC logic family and features a 16-pin TSSOP surface-mount package. The device supports bidirectional counting with a dedicated count direction control input. It includes asynchronous clear and parallel load capabilities for flexible data handling. The component functions reliably across a wide supply voltage range of 2 V to 6 V and withstands operating temperatures from -55 °C to +125 °C.

Counter Dividers Feature Summary

• Synchronous up/down decade counting functionality
• Asynchronous clear and parallel load inputs
• Wide operating voltage and temperature ranges

Counter Dividers Applications

• Digital timing circuits
• Frequency division networks
• Event counting systems

Counter Dividers Procurement Notes

Verify the specific suffix against official documentation to confirm pinout compatibility and electrical characteristics. Ensure the procurement channel provides valid traceability for the Texas Instruments manufacturer part number. Confirm RoHS compliance status through current datasheets before integration into regulated assemblies.

Counter Dividers Selection Notes

Select this component when a synchronous decade counter with bidirectional capability is required. The HC series offers speed comparable to LSTTL with lower power consumption. Verify that the 16-pin TSSOP package fits the target PCB layout constraints and thermal requirements.

Counter Dividers Part Context

This integrated circuit belongs to the Texas Instruments 74HC logic family, which utilizes silicon gate CMOS technology. The family is designed for low power dissipation while maintaining high-speed operation suitable for general-purpose digital applications. The decade counter variant specifically handles base-10 counting sequences.

Counter Dividers Replacement Considerations

Cross-reference with other 74HC190 variants in the same package family. Verify functional equivalence regarding pin assignments and electrical specifications before substituting.