This part is a kind of semiconductor called PAL22V10.

Function of this product has Reprogrammable CMOS PAL Device.

Manufacturers : Cypress Semiconductor

Image and pinout :

Some of the text within the PDF file :

1P AL C2 2V 10 This is an abbreviated datasheet. Contact a Cypress representative for complete specifications. For new designs, please refer to the PALCE22V10. fax id: 6005 PALC22V10 Reprogrammable CMOS PAL® Device Features • Advanced second-generation PAL architecture • Low power 55 mA max. “L” 90 mA max. standard 120 mA max. military • CMOS EPROM technology for reprogrammability • Variable product terms 2 x (8 through 16) product terms • User-programmable macrocell Output polarity control Individually selectable for registered or combinatorial operation • • • • 20, 25, 35 ns commercial and industrial 25, 30, 40 ns military Up to 22 input terms and 10 outputs High reliability Proven EPROM technology 100% programming and functiona [ ... ]

PAL22V10 PDF Datasheet Download