MT55L256L32PB-10 Datasheet and MT55L256L32PB-10 manual

Manufacturer : Micron 

Packing : BGA 

Pins : 119 

Temperature : Min 0 °C | Max 70 °C

Size : 546 KB

Application : 256K x 32 ZBT SRAM, 10ns 

MT55L256L32PB-10 PDF Download