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W3HG128M64EEU-D4 Datasheet(PDF) 1 Page - White Electronic Designs Corporation |
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W3HG128M64EEU-D4 Datasheet(HTML) 1 Page - White Electronic Designs Corporation |
1 / 14 page W3HG128M64EEU-D4 March 2006 Rev. 0 ADVANCED* 1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs 1GB – 128Mx64 DDR2 SDRAM UNBUFFERED, SO-DIMM 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. NOTE: Consult factory for availability of: • Vendor source control options • Industrial temperature option 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 OPERATING FREQUENCIES PC2-6400* PC2-5300* PC2-4200 PC2-3200 Clock Speed 400MHz 333MHz 266MHz 200MHz CL-tRCD-tRP 6-6-6 5-5-5 4-4-4 3-3-3 * Consult factory for availability |
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