datasheet/Micron/index.html
MT48LC16M16A2 - 4 MEG X 16 X 4 banks
MT48LC128M4A2 - 32 Meg x 4 x 4 banks, MT48LC64M8A2 - 16 Meg x 8 x 4 b., MT48LC32M16A2 - 8 Meg x 16 x 4 b.
Inside/Out - may99