CD74HC190PWT

Counter Dividers Overview

The CD74HC190PWT is a synchronous up/down decade counter manufactured by Texas Instruments, belonging to the 74HC series of high-speed CMOS logic devices. It features a 4-bit binary-coded decimal (BCD) counting architecture with independent up/down control and a dedicated clock input. The device operates within a supply voltage range of 2 V to 6 V and supports bidirectional counting sequences. It is housed in a 16-pin TSSOP surface-mount package designed for space-constrained applications. The component includes asynchronous reset and parallel load capabilities, ensuring flexible integration into digital timing and sequencing circuits.

Counter Dividers Feature Summary

• Synchronous up/down decade counting functionality with independent direction control
• High-speed CMOS technology compatible with standard CMOS logic families
• Asynchronous reset and parallel load inputs for immediate state management
• Wide operating voltage range supporting low-power system designs

Counter Dividers Applications

• Digital frequency division and prescaling circuits
• Time-base generation for real-time clocks and timers
• Position control systems requiring BCD output decoding
• Sequential logic controllers in industrial automation equipment

Counter Dividers Procurement Notes

Verify the specific suffix 'PWT' corresponds to the TSSOP-16 package and tape-and-reel shipping configuration as defined by Texas Instruments documentation. Confirm RoHS compliance status and manufacturing origin through official datasheets or authorized distributor declarations prior to procurement. Ensure compatibility with existing PCB footprint dimensions and soldering profiles for thin-shrink small-outline packages.

Counter Dividers Selection Notes

Select this component when a synchronous decade counter with bidirectional counting capability is required in a compact surface-mount form factor. The HC logic family offers speed performance comparable to LS TTL while maintaining lower power consumption. Consider the 2 V to 6 V operating range for flexibility in varying supply environments. Verify that the TSSOP-16 package meets thermal and mechanical constraints of the target assembly process.

Counter Dividers Part Context

The CD74HC190 is part of Texas Instruments' extensive 74HC logic family, which utilizes silicon gate CMOS technology to achieve high switching speeds with low static power dissipation. This series is widely adopted in consumer electronics, telecommunications, and computing systems where reliable digital counting and timing functions are essential. The PWT variant specifically denotes the plastic thin-shrink small-outline package with reel packaging, optimized for automated surface-mount assembly lines.

Counter Dividers Replacement Considerations

Cross-reference with SN74HC190PWR for equivalent functionality in a different package option. Verify pinout compatibility and electrical characteristics against other 74HC190 derivatives from Texas Instruments or third-party manufacturers before substitution.