This part is a kind of semiconductor called 4046B.
Function of this product has Phase-locked loop.
Manufacturers : NXP
Image and pinout :
Some of the text within the PDF file :
INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: • The IC04 LOCMOS HE4000B Logic Family Specifications HEF, HEC • The IC04 LOCMOS HE4000B Logic Package Outlines/Information HEF, HEC HEF4046B MSI Phase-locked loop Product specification File under Integrated Circuits, IC04 January 1995 Philips Semiconductors Product specification Phase-locked loop DESCRIPTION The HEF4046B is a phase-locked loop circuit that consists of a linear voltage controlled oscillator (VCO) and two different phase comparators with a common signal input amplifier and a common comparator input. A 7 V regulator (zener) diode is provided for supply voltage regulation if necessary. For functional description see further on in this data. HEF4046B MSI Fig.1 Functional diagram. FAMI [ ... ]