IS61DDPB42M18A/A1/A2 IS61DDPB41M36A/A1/A2 2Mx18, 1.
IS61DDPB42M18A2 - 36Mb DDR-IIP(Burst 4) CIO SYNCHRONOUS SRAM
IS61DDPB42M18A1 - 36Mb DDR-IIP(Burst 4) CIO SYNCHRONOUS SRAM
IS61DDPB42M18A - 36Mb DDR-IIP(Burst 4) CIO SYNCHRONOUS SRAM