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WV3HG2128M72EEU-D6 Datasheet, PDF (1/11 Pages) White Electronic Designs Corporation – 2GB - 2x128Mx72 DDR2 SDRAM UNBUFFERED DIMM | |||
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White Electronic Designs WV3HG2128M72EEU-D6
ADVANCED*
2GB â 2x128Mx72 DDR2 SDRAM UNBUFFERED DIMM
FEATURES
 Unbuffered 240-pin, dual in-line memory module
 Fast data transfer rates: PC2-6400*, PC2-5300*,
PC2-4300 and PC2-3200
 VCC = VCCQ = 1.8V
 VCCSPD = +1.7V to +3.6V
 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)
 Serial Presence Detect (SPD) with EEPROM
 Auto & self refresh (64ms/8,192 cycle refresh)
 Gold edge contacts
 Dual Rank
 RoHS compliant
 Package option
⢠240 Pin DIMM
⢠30.00mm (1.181") TYP
DESCRIPTION
The WV3HG2128M72EEU is a 2x128Mx72 Double Data
Rate DDR2 SDRAM high density module. This memory
module consists of eighteen 128Mx8 bit with 4 banks
DDR2 Synchronous DRAMs in FBGA packages, mounted
on a 240-pin DIMM FR4 substrate.
* This product is under development, is not qualiï¬ed or characterized and is subject to
change or cancellation without notice.
NOTE: Consult factory for availability of:
⢠Vendor source control options
⢠Industrial temperature option
⢠Parity function
Clock Speed
CL-tRCD-tRP
* Consult factory for availability
PC2-6400*
400MHz
6-6-6
OPERATING FREQUENCIES
PC2-5300*
333MHz
5-5-5
PC2-4300
266MHz
4-4-4
PC2-3200
200MHz
3-3-3
August 2006
Rev. 1
1
White Electronic Designs Corporation ⢠(602) 437-1520 ⢠www.wedc.com
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