参数资料
型号: W3EG6462S202JD3
厂商: MICROSEMI CORP-PMG MICROELECTRONICS
元件分类: DRAM
英文描述: 64M X 64 DDR DRAM MODULE, 0.75 ns, DMA184
封装: DIMM-184
文件页数: 1/13页
文件大小: 254K
代理商: W3EG6462S202JD3
White Electronic Designs
1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
ADVANCED*
W3EG6462S-D3
-JD3
May 2005
Rev. 4
FEATURES
Double-data-rate architecture
DDR200, DDR266, DDR333 and DDR400
JEDEC design specied
Bi-directional data strobes (DQS)
Differential clock inputs (CK & CK#)
Programmable Read Latency 2,2.5 (clock)
Programmable Burst Length (2,4,8)
Programmable Burst type (sequential & interleave)
Edge aligned data output, center aligned data input.
Auto and self refresh
Serial presence detect
Dual Rank
Power supply:
VCC = VCCQ = +2.5V ±0.2V (100, 133 and 166
MHz)
VCC = VCCQ = +2.6V ±0.1V (200 MHz)
Standard 184 pin DIMM package
JD3 PCB height: 30.48 (1.20") MAX
NOTE: Consult factory for availability of:
RoHS compliant products
Vendor source control options
Industrial temperature option
DESCRIPTION
The W3EG6462S is a 2x32Mx64 Double Data Rate
SDRAM memory module based on 256Mb DDR SDRAM
components. The module consists of sixteen 32Mx8 DDR
SDRAMs in 66 pin TSOP packages mounted on a 184 pin
FR4 substrate.
Synchronous design allows precise cycle control with the
use of system clock. Data I/O transactions are possible on
both edges and Burst Lengths allow the same device to be
useful for a variety of high bandwidth, high performance
memory system applications.
* This product is under development, is not qualied or characterized and is subject to
change or cancellation without notice.
512MB – 2x32Mx64 DDR SDRAM UNBUFFERED
OPERATING FREQUENCIES
DDR400 @CL=3
DDR333 @CL=2.5 DDR266 @CL=2.5
DDR266 @CL=2
DDR266 @CL=2.5
DDR200 @CL=2
Clock Speed
200MHz
166MHz
133MHz
100MHz
CL-tRCD-tRP
3-3-3
2.5-3-3
2-3-3
2.5-3-3
2-2-2
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