Datasheet R1QLA4436RBG, R1QLA4418RBG 144-Mbit DDR.
R1QLA4436RBG - 144-Mbit DDRII+ SRAM 2-word Burst Architecture
Datasheet R1QLA4436RBG, R1QLA4418RBG 144-Mbit DDR™II+ SRAM 2-word Burst Architecture (2.0 Cycle Read latency) with ODT R10DS0144EJ0200 Rev.2.00 Aug .