MEMORY DATABOOK - Al Kossow's Bitsavers

----------------. DYNAMIC RAM ·MSM41257AAS/RS •NIBBLE MODE1) The case of first nibble cycle is Early write~~ __________________________ ~r--~ / \ /----~~---------~-------DOUT :==)>-_____________ Hi9h-Z _______________~EarlY Write~NO ope.~.~I ... --Write~~Write~(Add Increment)~: Valid Data2) The case of first nibble cycle is delyed write IRead-Write)RAS ~ r--\~. ----------------------------~IDOUT\~---------'/\\.--_--1,------~~-------~-----I---- Read-Write.. I. Read-Write~ Read------t.- Read-write--I~: Valid Data161