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參數(shù)資料
| 型號(hào)： | W3HG2256M64ECEU665D4IMG |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類(lèi)： | DRAM |
| 英文描述： | 512M X 64 DDR DRAM MODULE, 0.45 ns, DMA200 |
| 封裝： | ROHS COMPLIANT, DIMM-200 |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 175K |
| 代理商： | W3HG2256M64ECEU665D4IMG |
W3HG2256M64ECEU-D4
January 2008
Rev. 0
1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
4GB – 2x256Mx64 DDR2 SDRAM SO-DIMM UNBUFFERED
DESCRIPTION
The W3HG2256M64ECEU is a 2x256Mx64 Double Data
Rate DDR2 SDRAM high density SO-DIMM. This memory
module consists of sixteen 256Mx8 memory devices in die
stacked FBGA packages, mounted on a 200-pin SO-DIMM
FR4 substrate.
* This product is subject to change or cancellation without notice.
NOTE: Consult factory for availability of:
Vendor source control options
Industrial temperature option
FEATURES
Unbuffered 200-pin, dual in-line memory module
(SO-DIMM).
Fast data transfer rates: PC2-5300, PC2-4200 and
PC2-3200
VCC = 1.8V
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
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, 4 and 5
Serial Presence Detect (SPD) with EEPROM
64ms: 8,192 cycle refresh
Gold edge contacts
Dual Rank
RoHS compliant
JEDEC Package option
200 Pin (SO-DIMM)
PCB – 30.00mm (1.181") TYP.
OPERATING FREQUENCIES
PC2-3200
PC2-4200
PC2-5300
Clock Speed
200MHz
266MHz
333MHz
CL-tRCD-tRP
3-3-3
4-4-4
5-5-5
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