WV3HG2128M72AER-D6

White Electronic Designs WV3HG2128M72AER-D6 ADVANCED* 2GB – 2x128Mx72 DDR2 SDRAM REGISTERED, w/PLL FEATURES 240-pin, dual in-line memory module Fast data transfer rates: PC2-4200 and PC2-3200 Utilizes 533 and 400 Mb/s DDR2 SDRAM components VCC = VCCQ = 1.8V± 0.1V VCCSPD = 1.7V to 3.6V JEDEC standard 1.8V I/O (SSTL_18-compatible) Differential data strobe (DQS, DQS#) option Four-bit prefetch architecture DLL to align DQ and DQS transitions with CK Multiple internal device banks for concurrent operation Supports duplicate output strobe (RDQS/RDQS#) Programmable CAS# latency (CL): 3 and 4 Adjustable data-output drive strength On-die termination (ODT) Serial Presence Detect (SPD) with EEPROM 64ms: 8,192 cycle refresh Gold edge contacts Product is lead-free www.DataSheet4U.com * This product is under development, is not qualified or characterized and is subject to change or cancellation without notice. NOTE: Consult factory for availability of: Vendor source control options Industrial temperature option DESCRIPTION The WV3HG2128M72AER is a 128Mx72 Double Data Rate DDR2 SDRAM high density module. This memory module consists of thirty six 128Mx4 bit with 4 banks DDR2 Synchronous DRAMs in FBGA packages, mounted on a 240-pin DIMM FR4 substrate. RoHS compliant Dual Rank Package option 240 Pin DIMM PCB – 29.97mm (1.18") OPERATING FREQUENCIES PC2-3200 Clock Speed CL-tRCD-tRP 200MHz 3-3-3 PC2-4200 266MHz 4-4-4 September 2005 Rev. 0 1 White Electronic Designs Corporation (...