What is extended data output RAM?
EDO RAM: A slight modification to the DRAM structure changes the device in an EDO (extended data output) DRAM device. Inside the EDO memory, any memory access, including a refresh, stores the 256 bits selected through RAS' in latches. The latches hold the next 256 bits of information, therefore in most programs that are sequentially executed, which data are available without any wait states.