SN74HCS165QDRQ1

Shift Registers Overview

The SN74HCS165QDRQ1 is an automotive-grade, 8-bit parallel-load shift register from Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and supports ambient temperatures from -40°C to +125°C. The device features Schmitt-trigger inputs for noise rejection and balanced CMOS push-pull outputs capable of ±7.8 mA drive current at 6 V. It is housed in a 16-pin SOIC package.

Shift Registers Feature Summary

• AEC-Q100 qualified for automotive applications with specified temperature grades
• Schmitt-trigger inputs provide tolerance for slow or noisy input signals
• Balanced CMOS push-pull outputs support high drive currents

Shift Registers Applications

• Increasing the number of inputs on a microcontroller
• Parallel-to-serial data conversion in automotive systems
• Cascaded shift register configurations for expanded I/O

Shift Registers Procurement Notes

Verify that the specific part number matches the required automotive qualification standards and package type. Confirm that the operating conditions align with the system's voltage and temperature requirements. Ensure proper handling procedures are followed due to ESD sensitivity classifications.

Shift Registers Selection Notes

Select this component when an 8-bit shift register with Schmitt-trigger inputs is required for automotive environments. Consider the wide operating voltage range and low power consumption characteristics. Evaluate the thermal performance and packaging options against the available board space and heat dissipation capabilities.

Shift Registers Part Context

This device belongs to the SN74HCS165-Q1 family of automotive parallel-load shift registers. It shares functional similarities with other members of the HCS logic series but is specifically optimized for automotive reliability and environmental robustness.

Shift Registers Replacement Considerations

Direct substitutes include SN74HCS165PW-Q1 (TSSOP), SN74HCS165DYY-Q1 (SOT-23-THN), and SN74HCS165BQB-Q1 (WQFN). Verify pin compatibility and package dimensions before substitution.