There is an embedded device in the package 16-SOIC (0.154, 3.90mm Width). The case Tube contains it. It is a part that has 1 elements on it. Mounting of this component is indicated by Surface Mount. There is a range of temperatures -40°C~125°C for operation. The voltage supplied to it is within the range of 3V~15V. In the 4000B series, this electrical component is found. Similar parts can be found using the 4021 family.
HEC4021BT,112 Features
Mounted in Surface Mount type. Based on 4021 family
HEC4021BT,112 Applications
There are a lot of NXP USA Inc. HEC4021BT,112 Shift Registers applications.