W3E16M72SR-XBX Datasheet | White Electronic

White Electronic Designs 16Mx72 Registered DDR SDRAM Features Registered for enhanced performance of bus speeds of 200, 225, and 250 MHz Package: - 219 Plastic Ball Grid Array (PBGA), 32 x 25mm 2.5V ±0.2V core power supply 2.5V I/O (SSTL_2 patible) Differential clock inputs (CK and CK#) mands entered on each positive CK edge Internal pipelined double-data-rate (DDR) architecture; two data accesses per clock cycle Programmable Burst length: 2,4 or 8 Bidirectional data strobe (DQS) transmitted/ received with data, i.e., source-synchronous data capture (one per byte) DQS edge-aligned with data for READs; centeraligned with data for WRITEs DLL to align DQ and DQS transitions with CK Four...