WV3HG2128M72AER-D6 Datasheet, PDF (1/11 Pages) White Electronic Designs Corporation – 2GB - 2x128Mx72 DDR2 SDRAM REGISTERED, w/PLL

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
RoHS compliant
Dual Rank
Package option
• 240 Pin DIMM
• PCB – 29.97mm (1.18")
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.
* 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
OPERATING FREQUENCIES
Clock Speed
CL-tRCD-tRP
PC2-3200
200MHz
3-3-3
PC2-4200
266MHz
4-4-4
September
2005 Rev. 0
1
White Electronic Designs Corporation • [phone] • www.wedc.com