This part is a kind of semiconductor called 74HCT7046A.

Function of this product has Phase-locked-loop with lock detector.

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 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/HCT7046A Phase-locked-loop with lock detector Product specification File under Integrated Circuits, IC06 December 1990 Philips Semiconductors Product specification Phase-locked-loop with lock detector FEATURES • Low power consumption • Centre frequency up to 17 MHz (typ.) at VCC = 4.5 V • Choice of two phase comparators: EXCLUSIVE-OR; edge-triggered JK flip-flop; • Excellent VCO frequency linearity • VCO-inhibit control for ON/OFF keying and for low standby power consumption • Minimal frequency drift • Operation pow [ ... ]

74HCT7046A PDF Datasheet Download