The product is a high voltage chip for a Nixie clock tube driver

HP 1820-0092 model manufactured by HP in the United States

This unit is a single IC designed to power and control Nixie tubes, making it a valuable component for vintage audio and video equipment or collectible electronic devices vintage part and accessory.

Pin6:VCC 5V

Pin5:GND

Pin7:input A

Pin8:input B

Pin9:input C

Pin10:input D