The 74HC299DB.112 is a high-density, bus/port expander device manufactured by Nexperia. It is a member of the 74HC family and is a CMOS logic integrated circuit (IC). This IC provides multiple configurable ports that can be used to interface hardware to a host for communication. It is a programmable device that can be used for a variety of applications, such as data acquisition, system monitoring, actuation control, and wireless data transfer. The 74HC299DB.112 features low standby current, low power dissipation, and high noise immunity, making it ideal for use in low power and portable applications.