Synchronous dynamic random-access memory (SDRAM) was developed by Samsung. The first commercial SDRAM chip was the Samsung KM48SL2000, which had a capacity of 16Mb, and was introduced in 1992. The first commercial DDR SDRAM (double data rate SDRAM) memory chip was Samsung's 64Mb DDR SDRAM chip, released in 1998.
synchronous dynamic random-access memory (sdram) was developed by samsung the first commercial sdram chip was the samsung km48sl2000 which had a capacity of 16mb and was introduced in 1992 the first commercial ddr sdram (double data rate sdram) memory chip was samsung's 64mb ddr sdram chip released in 1998