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Part Name
Description
WED3DL644V8BC View Datasheet(PDF) - White Electronic Designs Corporation
Part Name
Description
Manufacturer
WED3DL644V8BC
4Mx64 SDRAM
White Electronic Designs Corporation
WED3DL644V8BC Datasheet PDF : 28 Pages
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White Electronic Designs
FIG. 1 4MX64 SDRAM BLOCK DIAGRAM
DQ0-63
SA0-11
BA0-1
WE#
CAS#
RAS#
CKE
CK0
CK1
WED3DL644V
CE0#
CE1#
CE2#
CE3#
A0-A11
BA0-1
WE#
CAS#
RAS#
CE#
CKE
CK
DQ0-15
U1
1M x 16 x 4
DQML
DQMH
A0-A11
BA0-1
WE#
CAS#
RAS#
CE#
CKE
CK
DQ16-31
U2
1M x 16 x 4
DQML
DQMH
A0-A11
BA0-1
WE#
CAS#
RAS#
CE#
CKE
CK
DQ32-47
U3
1M x 16 x 4
DQML
DQMH
A0-A11
BA0-1
WE#
CAS#
RAS#
CE#
CKE
CK
DQ48-63
U4
1M x 16 x 4
DQML
DQMH
DQML0
DQMH0
DQML1
DQMH1
DQML2
DQMH2
DQML3
DQMH3
August 2005
Rev. 6
2
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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