This part is a kind of semiconductor called 74HCT4016.

Function of this product has Quad bilateral switches.

Manufacturers : Philips

Image and pinout :

Some of the text within the PDF file :

INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: • The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications • The IC06 74HC/HCT/HCU/HCMOS Logic Package Information • The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines 74HC/HCT4016 Quad bilateral switches Product specification File under Integrated Circuits, IC06 December 1990 Philips Semiconductors Product specification Quad bilateral switches 74HC/HCT4016 FEATURES • Low “ON” resistance: 160 Ω (typ.) at VCC = 4.5 V 120 Ω (typ.) at VCC = 6.0 V 80 Ω (typ.) at VCC = 9.0 V • Individual switch controls • Typical “break before make” built in • Output capability: non-standard • ICC category: SSI GENERAL DESCRIPTION The 74HC/HCT4016 are high-speed Si-gate CMOS devices and are pin [ ... ]

74HCT4016 PDF Datasheet Download