As far as its memory type goes, it falls into the Volatile category. You can get memory ics in a Tape & Reel (TR) case. 220-VFBGA case encloses it. There is 16Gb 256M x 64 of memory on the chip. The device uses a mainstream DRAM-format memory. Suitable for use in a wide range of demanding applications, this device offers an extended operating temperature range of -30°C~85°C TC. There is a voltage range of 1.14V~1.3V for the supply voltage. It is recommended that the mounting type be Surface Mount. It has a clock frequency of 533MHz. When choosing similar parts, MT42L256M64 is frequently referred to as the device's base part number.
MT42L256M64D4LD-18 WT:A TR Features
Package / Case: 220-VFBGA
MT42L256M64D4LD-18 WT:A TR Applications
There are a lot of Micron Technology Inc. MT42L256M64D4LD-18 WT:A TR Memory applications.