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參數(shù)資料
| 型號： | W3HG2256M72ACER534D6MG |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 512M X 72 DDR DRAM MODULE, 0.5 ns, DMA240 |
| 封裝： | ROHS COMPLIANT, DIMM-240 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 0K |
| 代理商： | W3HG2256M72ACER534D6MG |
WV3HG2256M72AER-D6
October 2006
Rev. 2
ADVANCED*
1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
4GB – 2x256Mx72 DDR2 SDRAM RDIMM, w/PLL
DESCRIPTION
The WV3HG2256M72AER is a 2x256Mx72 Double Data
Rate DDR2 SDRAM high density module based on 1Gb
DDR2 SDRAM components. This memory module consists
of eighteen stacks of 256Mx4 bit with 8 banks DDR2
Synchronous DRAMs in FBGA packages, two - 14 bit
registered buffers in BGA packages mounted on a 240-pin
DIMM FR4 substrate.
* This product is under development, is not qualied or characterized and is subject to
change without notice.
NOTE: Consult factory for availability of:
Vendor source control options
Industrial temperature option
FEATURES
240-pin, dual in-line memory module (DIMM)
Fast data transfer rates: PC2-6400*, PC2-5300*,
PC2-4300 and PC2-3200
Support ECC error detection and correction
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)
Serial Presence Detect (SPD) with EEPROM
Auto & self refresh: 64ms 8,192 cycle refresh
Gold edge contacts
RoHS compliant
Dual Rank
Package option
240 Pin DIMM
PCB –30.00mm (1.181") TYP
OPERATING FREQUENCIES
PC2-3200
PC2-4300
PC2-5300*
PC2-6400*
Clock Speed
200MHz
266MHz
333MHz
400MHz
CL-tRCD-tRP
3-3-3
4-4-4
5-5-5
6-6-6
* Consult factory for availability
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