The 74HC194D.652 is an 8-digit programmable universal shift register (PUSR) designed for use with TTL and CMOS digital logic circuits. It is part of Nexperia's 74HC194 series of products, which offer very high speed and performance, combined with low current consumption in a small package size. This particular model has 8 data outputs, 500MHz operating frequency and a voltage range from 2V to 6V. The part also has an asynchronous reset, and can handle both serial and parallel data input. The 74HC194D.652 is designed for applications such as motor controls, counters, registers, shift registers, and shift registers with circuitry for sequencing.