There is a memory type Volatile for this type of device. It is supplied votage within Tray. As you can see, it is embedded in 208-LFBGA case. It is estimated that the memory size on the chip is 4.5Mb 256K x 18. There is a mainstream memory format used by this device, which is called SRAM-format memory. Suitable for use in a wide range of demanding applications, this device offers an extended operating temperature range of 0°C~70°C TA. A supply voltage of 2.4V~2.6V can be applied to it. There is a recommended mounting type of Surface Mount for it. In order to select similar parts, typical manufacturers refer to IDT70T631 as the device's base part number.
70T631S15BF Features
Package / Case: 208-LFBGA
70T631S15BF Applications
There are a lot of Renesas Electronics America Inc. 70T631S15BF Memory applications.