Forterra, Inc. manufactures water and drainage pipe and products in the United States and Eastern Canada. It also manufactures structural and specialty precast products, and precast concrete bridge girders; and prestressed concrete, welded steel,â¦.
Called double data rate (or DDR), it let the memory transfer data on both the rising and falling edges of the clock signal, giving it the capability to move information nearly twice as quickly as with regular SDR SDRAM.
Double Data Rate (DDR) Definition - What does Double Data Rate (DDR) mean? Double data rate (DDR) is the advanced version of synchronous dynamic random access memory (SDRAM). SDRAM waits for clock signals before responding to control inputs. DDR uses both the falling and rising edges of the clock signal. The difference between SDRAM and DDR is not the speed, but rather how many times data is transmitted with each cycle.