w3e16m72s-xbx White Electronic Designs Corporation, w3e16m72s-xbx Datasheet - Page 3
w3e16m72s-xbx
Manufacturer Part Number
w3e16m72s-xbx
Description
16mx72 Sdram
Manufacturer
White Electronic Designs Corporation
Datasheet
1.W3E16M72S-XBX.pdf
(17 pages)
February 2005
Rev. 7
White Electronic Designs
FIGURE 2 – FUNCTIONAL BLOCK DIAGRAM
BA
A
V
0-12
0-1
REF
DQMH
DQMH
DQMH
DQMH
DQMH
DQML
DQSH
DQML
DQSH
DQML
DQSH
DQML
DQSH
DQML
DQSH
DQSL
DQSL
DQSL
DQSL
DQSL
CLK
CLK
CLK
CLK
CLK
CKE
CKE
CKE
CKE
CKE
CLK
CS
CLK
CS
CLK
CS
CLK
CS
CLK
CS
0
0
1
1
2
2
3
3
4
4
#
#
#
#
#
#
#
#
#
#
0
0
0
0
0
1
1
1
1
1
1
2
2
2
2
3
3
3
3
3
3
4
4
4
4
4
4
0
2
2
V
A
BA
CLK#
CKE
CS#
DQML
DQMH
DQSL
DQSH
V
A
BA
CLK
CLK#
CKE
CS#
DQML
DQMH
DQSL
DQSH
V
A
BA
CLK
CLK#
CKE
CS#
DQML
DQMH
A
BA
CLK
CLK
CKE
CS
DQML
DQMH
DQSL
DQSH
V
A
BA
CLK
CLK#
CKE
CS#
DQML
DQMH
DQSL
DQSH
CLK
DQSL
DQSH
V
REF
0-12
REF
0-12
REF
0-12
REF
0-12
REF
0-12
WE# RAS# CAS#
WE# RAS# CAS#
WE# RAS# CAS#
WE# RAS# CAS#
WE#
0-1
0-1
0-1
0-1
0-1
3
RAS#
U0
U1
U2
U3
U4
CAS#
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
=
=
=
=
Y
=
Y
=
Y
=
Y
=
Y
=
Y
=
Y
=
Y
=
Y
=
Y
=
Y
=
Y
=
Y
=
Y
=
=
=
=
=
Y
Y
Y
=
Y
=
Y
=
Y
=
Y
Y
Y
=
Y
=
Y
=
Y
=
Y
Y
Y
Y
15
15
15
15
15
0
0
0
0
0
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
=
=
=
=
=
=
=
=
=
=
=
=
=
=
Y
=
Y
=
=
=
=
=
Y
=
Y
=
=
=
=
=
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
=
Y
=
Y
=
Y
=
Y
Y
Y
Y
Y
Y
Y
Y
0
15
16
31
32
47
48
63
64
79
WE
RAS
CAS
WE
RAS
CAS
WE
RAS
CAS
WE
RAS
CAS
WE
RAS
CAS
0
1
2
3
4
#
0
0
#
1
1
#
#
#
2
2
3
3
4
4
#
#
#
#
#
#
#
#
#
#
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