CD4017 CD4017B CD4017BE HCF4017BE HEF4017BP TC4017BP. 20 x CD4017. Function: Master Reset. Chip Socket Adaptor Trigger Type: Positive Edge. 20 x Chip Socket Adaptor. The IC socket is the carrier between the chip and the PCB circuit board, the chip can be pulled and inserted directly without soldering to the PCB board.