Contextual Info: H M 5 1 W 4 8 0 0 A /A L Preliminary S e r ie s 52 4,28 8-w o rd X 8-b it D y n a m ic R and o m A c ce ss M em ory T he H ita c h i H M 5 1 W 4 8 0 0 A /A L a re C M O S dynamic RAM organized as 524,288-word x 8-bit. HM 51W 4800A/AL have realized higher density,