HY5DU281622 4 Banks x 2M x 16Bit Double Data Rate .
HY5DU281622T - 2nd 128M DDR SDRAM
HY5DU281622T-K - 4 Banks x 2M x 16Bit Double Data Rate SDRAM
HY5DU281622T-H - 4 Banks x 2M x 16Bit Double Data Rate SDRAM
HY5DU281622T-L - 4 Banks x 2M x 16Bit Double Data Rate SDRAM