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W3EG264M64ETSR-JD3

White Electronic
Part Number W3EG264M64ETSR-JD3
Manufacturer White Electronic
Description 1GB - 2x64Mx64 DDR SDRAM REGISTERED
Published Jun 8, 2007
Detailed Description White Electronic Designs W3EG264M64ETSR-JD3 ADVANCED* 1GB – 2x64Mx64 DDR SDRAM REGISTERED w/PLL FEATURES Double-data-r...
Datasheet PDF File W3EG264M64ETSR-JD3 PDF File

W3EG264M64ETSR-JD3
W3EG264M64ETSR-JD3

Overview
White Electronic Designs W3EG264M64ETSR-JD3 ADVANCED* 1GB – 2x64Mx64 DDR SDRAM REGISTERED w/PLL FEATURES Double-data-rate architecture Clock speeds of 133MHz and 166MHz 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 (133 and 166MHz) JEDEC standard 184 pin DIMM package www.
DataSheet4U.
com PCB height: 30.
48 (1.
20") MAX • JD3: 30.
48mm (1.
20") NOTE: Consult factory for availability of: • RoHS compliant products • Vendor source control options • Industrial temperature option * This product is under development, is not qualified or characterized and is subject to change or cancellation without notice.
DESCRIPTION The W3EG264M64ETSR is a 2x64Mx64 Double Data Rate SDRAM memory module based on 512Mb DDR SDRAM component.
The module consists of sixteen 64Mx8 DDR SDRAMs in 66 pin TSOP package 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 Lenths allow the same device to be useful for a variety of high bandwidth, high performance memory system applications.
OPERATING FREQUENCIES DDR333 @CL=2.
5 Clock Speed CL-tRCD-tRP 166MHz 2.
5-3-3 DDR266 @CL=2 133MHz 2-3-3 DDR266 @CL=2.
5 133MHz 2.
5-3-3 April 2005 Rev.
0 1 White Electronic Designs Corporation • (602) 437-1520 • www.
wedc.
com White Electronic Designs PIN CONFIGURATION PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 SYMBOL VREF DQ0 VSS DQ1 DQS0 DQ2 VCC DQ3 NC RESET# VSS DQ8 DQ9 DQS1 VCCQ NC NC VSS DQ10 DQ11 CKE0 VCCQ DQ16 DQ17 DQS2 VSS A9 DQ18 A7 VCCQ DQ19 A5 DQ24 VSS DQ25 DQS3 A4 VCC DQ26 DQ27 A2 VSS A1 NC NC VCC PIN 47 48 49 50 51 ...


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