BUY OE907 https://www.utsource.net/itm/p/1859894.html

OE907 is a BGA (Ball Grid Array) package manufactured by NEC. It is a type of surface-mount package with a square array of contacts on the bottom and a single row of contacts on the top. It is used for a variety of applications, including memory, logic, and analog devices. The OE907 package is designed for high-speed, high-density applications. It has a low profile and a small footprint, making it ideal for space-constrained designs. The OE907 package is also RoHS compliant. (For reference only)