As far as its memory type goes, it falls into the Non-Volatile category. You can get memory ics in a Tape & Reel (TR) case. The file is embedded in a 64-TBGA case. There is 64Mb 8M x 8 4M x 16 of memory on the chip. As with most mainstream devices, this one uses FLASH-format memory. This device has an extended operating temperature range of -40°C~125°C TA, so it's perfect for a wide range of demanding applications. It is capable of handling a voltage supply of 2.7V~3.6V. There is a recommended mounting type of Surface Mount for it. M29W640, as the device's base part number, is frequently referred in order to select similar parts.
M29W640GL70ZF3F TR Features
Package / Case: 64-TBGA
M29W640GL70ZF3F TR Applications
There are a lot of Micron Technology Inc. M29W640GL70ZF3F TR Memory applications.