Check the listing for details. Vintage Integrated Circuits Lot of 12. Condition: Open box. Listed at 59.99 USD. The product is a lot of 12 vintage integrated circuits, likely from a variety of consumer electronics devices. These circuits would have been used in a range of vintage electronics, but may now be sought after for their collectible or nostalgic value. Integrated circuits are compact electronic devices that contain multiple transistors and other components on a single chip, making them an essential building block for modern electronic systems. This lot of vintage integrated circuits would be a valuable addition to any collection of vintage electronics.