CD74HC166MT

Shift Registers Overview

The CD74HC166MT is an 8-bit parallel-in serial-out shift register manufactured by Texas Instruments. It belongs to the HC logic family and operates on a single CMOS circuit. The device features a 16-pin SOIC surface-mount package with dimensions of 5 x 4.4 x 1.15mm. It supports a supply voltage range from 2V to 6V and functions in serial-to-serial/parallel modes. Key electrical parameters include asynchronous reset, rising-edge triggering, and unidirectional direction. Operating temperatures span from -55°C to +125°C.

Shift Registers Feature Summary

• Provides parallel input loading capability for rapid data entry into the shift register chain.

Shift Registers Applications

• Data acquisition systems requiring parallel-to-serial conversion

Shift Registers Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm that the specific part number matches the required package type and temperature rating. Check for obsolescence status as this component may be discontinued. Ensure compliance with RoHS3 specifications if environmental regulations apply to the final assembly.

Shift Registers Selection Notes

Select this component when an 8-bit shift register with parallel load functionality is required in a compact surface-mount form factor. Consider the wide operating temperature range suitable for industrial environments. Verify compatibility with the system's voltage levels and logic family requirements before integration.

Shift Registers Part Context

This component is part of the broader 74HC series of high-speed CMOS logic devices produced by Texas Instruments. It serves as a standard interface element for converting parallel data streams into serial formats for transmission or processing in digital circuits.

Shift Registers Replacement Considerations

Nexperia USA Inc. offers the 74HC166D,653 as a similar alternative component.