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W3E16M72SR-XBX

Part Number	W3E16M72SR-XBX
Manufacturer	White Electronic
Description	16Mx72 Registered DDR SDRAM
Published	Jun 8, 2007
Detailed Description	White Electronic Designs 16Mx72 Registered DDR SDRAM FEATURES Registered for enhanced performance of bus speeds of 200, ...
Datasheet	W3E16M72SR-XBX PDF File

Overview

White Electronic Designs 16Mx72 Registered DDR SDRAM FEATURES Registered for enhanced performance of bus speeds of 200, 225, and 250 MHz Package: • 219 Plastic Ball Grid Array (PBGA), 32 x 25mm 2.
5V ±0.
2V core power supply 2.
5V I/O (SSTL_2 compatible) Differential clock inputs (CK and CK#) Commands entered on each positive CK edge Internal pipelined double-data-rate (DDR) architecture; two data accesses per clock cycle Programmable Burst length: 2,4 or 8 Bidirectional data strobe (DQS) transmitted/ received with data, i.
e.
, source-synchronous data capture (one per byte) DQS edge-aligned with data for READs; centeraligned with data for WRITEs DLL to align DQ and DQS transitions with CK Four internal banks for concurrent operation Two data mask (DM) pins for masking write data Programmable IOL/IOH option Auto precharge option W3E16M72SR-XBX Auto Refresh and Self Refresh Modes Commercial, Industrial and Military Temperature Ranges Organized as 16M x 72 Weight: W3E16M72SR-XBX - 2.
5 grams typical BENEFITS 47% SPACE SAVINGS Glueless Connection to PCI Bridge/Memory Controller Reduced part count Reduced I/O count • 49% I/O Reduction Reduced trace lengths for lower parasitic capacitance Suitable for hi-reliability applications Laminate interposer for optimum TCE match Upgradeable to 32M x 72 density (contact factory for information) * This product is subject to change without notice.
www.
DataSheet4U.
com Monolithic Solution 22.
3 11.
9 66 TSOP 22.
3 66 TSOP 12.
6 8.
3 48 TSOP Actual Size S A V I N G S 11.
9 11.
9 11.
9 White Electronic Designs W3E16M72SR-XBX 25 22.
3 66 TSOP 66 TSOP 66 TSOP 12.
6 48 TSOP 32 Area I/O Count February 2005 Rev.
2 5 x 265mm2 + 2 x 105mm2 = 1536mm2 5 x 66 pins + 2 x 48 = 426 pins 1 800mm2 219 Balls 47% 49% White Electronic Designs Corporation • (602) 437-1520 • www.
wedc.
com White Electronic Designs FIGURE 1 – PIN CONFIGURATION Top View W3E16M72SR-XBX 1 A B C D E F G H J K L M N P R T DQ1 2 DQ0 3 DQ14 4 DQ15 5 VSS 6 VSS 7 A9 8...

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W3E16M72SR-XBX 16Mx72 Registered DDR SDRAM - White Electronic

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