This part is a kind of semiconductor called TA7642.
Function of this product has AM radio IC.
Manufacturers : ETC
Image and pinout :
Some of the text within the PDF file :
Silicore ONE CHIP AM RADIO CIRCUIT z DESCRIPTION The CD7642 CS is suitable for low voltage po rtable CD7642CP Outline Drawing Radio, cassette system and other wireless AM system. The package of CD7642CS is TO-92. FEATURE z z z Low operating voltage: Down to V C C =1.3V Low Quiescent Cu rrent: I C C O =0.2 mA Low external component requ ired. EQUIVALENT CIRCUIT 1 ABSOLUTE MAXIMUM RATINGS (Ta=25 ° C) Characteristic Supply Vo ltage Operating Te mperature Storage Temp erature Symbol Vcc Topr Tstg Value 6 -10~60 -55~150 Unit SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC 1/3 V Silicore ELECTRICAL CHARACTERISTICS CD7642CS (Unless otherwise specif [ ... ]