W3HG128M64EEU-D4

White Electronic Designs W3HG128M64EEU-D4 ADVANCED* www.DataSheet4U.com 1GB – 128Mx64 DDR2 SDRAM UNBUFFERED, SO-DIMM FEATURES 200-pin, Small-Outline DIMM (SO-DIMM), Raw Card "B" Fast data transfer rates: PC2-6400*, PC2-5300*, PC2-4200 and PC2-3200 Utilizes 800*, 667*, 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, 4, 5* and 6* Adjustable data-output drive strength On-Die Termination (ODT) Posted CAS# latency: 0, 1, 2, 3 and 4 Serial Presence Detect (SPD) with EEPROM 64ms: 8,192 cycle refresh Gold edge contacts Single Rank RoHS Compliant JEDEC Package option 200 Pin (SO-DIMM) PCB – 29.20mm (1.150") TYP NOTE: Consult factory for availability of: Vendor source control options Industrial temperature option DESCRIPTION The W3HG128M64EEU is a 128Mx64 Double Data Rate 2 SDRAM memory module based on 1Gb DDR2 SDRAM components. The module consists of eight 128Mx8, in FBGA package mounted on a 200 pin SO-DIMM FR4 substrate. * This product is under development, is not qualified or characterized and is subject to change or cancellation without notice. OPERATING FREQUENCIES PC2-6400* Clock Speed CL-tRCD-tRP * Consult factory for availability PC...