The 74HC164N.652 is a high-speed 8-bit serial-in, parallel-out shift register from NXP Semiconductors. This shift register has a low power, high speed CMOS logic family, making it ideal for low power applications. It has an active-low asynchronous clock and serial data inputs, and eight parallel data outputs. This device is designed to be used in multiplexing applications, as well as clock frequency division, data conversion and data transfer. Its high speed and low current consumption make it suited for applications in low power and high speed systems.