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W3EG6418S-D3

Part Number	W3EG6418S-D3
Manufacturer	White Electronic
Description	16Mx64 DDR SDRAM UNBUFFERED
Published	Jun 8, 2007
Detailed Description	White Electronic Designs 128MB – 16Mx64 DDR SDRAM UNBUFFERED FEATURES Double-data-rate architecture DDR200 and DDR266 • ...
Datasheet	W3EG6418S-D3 PDF File

Overview

White Electronic Designs 128MB – 16Mx64 DDR SDRAM UNBUFFERED FEATURES Double-data-rate architecture DDR200 and DDR266 • JEDEC design speciﬁcations 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 Power Supply: 2.
5V ± 0.
20V JEDEC standard 184 pin DIMM package www.
DataSheet4U.
com W3EG6418S-D3 -JD3 PRELIMINARY* DESCRIPTION The W3DG6418S is a 16Mx64 Double Data Rate SDRAM memory module based on 128Mb DDR SDRAM components.
The module consists of eight 16Mx8 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.
* This product is under development, is not qualiﬁed or characterized and is subject to change without notice.
• JD3 PCB height: 30.
48mm (1.
20") MAX NOTE: Consult factory for availability of: • Lead-free products • Vendor source control option • Industrial temperature option OPERATING FREQUENCIES DDR266 @CL=2 Clock Speed CL-tRCD-tRP 133MHz 2-2-2 DDR266 @CL=2 133MHz 2-3-3 DDR266 @CL=2.
5 133MHz 2.
5-3-3 DDR200 @CL=2 100MHz 2-2-2 White Electronic Designs Corp.
reserves the right to change products or speciﬁcations without notice.
May 2005 Rev.
3 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 NC VSS DQ8 DQ9 DQS1 VCCQ CK1 CK1# VSS DQ10 DQ11 CKE0 VCCQ DQ16 DQ17 DQS2 VSS A9 DQ18 A7 VCCQ DQ19 A5 DQ24 VSS DQ25 DQS3 A4 VCC ...

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W3EG6418S-D3 16Mx64 DDR SDRAM UNBUFFERED - White Electronic
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