IS61DDPB44M18A/A1/A2 IS61DDPB42M36A/A1/A2 4Mx18, 2.
IS61DDPB44M18A1 - 72Mb DDR-IIP(Burst 4) CIO SYNCHRONOUS SRAM
IS61DDPB44M18A - 72Mb DDR-IIP(Burst 4) CIO SYNCHRONOUS SRAM
IS61DDPB44M18A2 - 72Mb DDR-IIP(Burst 4) CIO SYNCHRONOUS SRAM