256Mb: x4, x8, x16 SDRAM
Pin and Ball Assignments and Descriptions
Figure 5: 60-Ball FBGA (Top View)
64 Meg x 4 SDRAM
8mm x 16mm FB
32 Meg x 8 SDRAM
8mm x 16mm FB
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
VSS
VDD
VDDQ
DQ0
VSS
VDD
VDDQ
DQ1
A
B
C
D
E
A
B
C
D
E
NC
NC
NC
NC
DQ7
NC
DQ0
NC
VSSQ
DQ3
VSSQ
DQ6
VDDQ
VSSQ
VDDQ
VSSQ
NC
NC
NC
NC
NC
NC
DQ5
NC
NC
NC
DQ2
NC
VSSQ
VDDQ
VSSQ
VDDQ
F
VDDQ
NC
VSSQ
NC
F
VDDQ
NC
VSSQ
NC
DQ2
NC
DQ1
NC
DQ4
NC
DQ3
NC
G
H
J
G
H
J
VSS
VDD
VSS
VDD
NC
NC
NC
CAS#
NC
NC
NC
NC
CAS#
NC
DQM
CK
WE#
RAS#
NC
DQM
CK
WE#
RAS#
NC
K
L
K
L
NC
NC
A12
A11
A8
CKE
CS#
BA0
A10
A1
A12
A11
A8
CKE
CS#
BA0
A10
A1
M
N
P
M
N
P
A9
A7
A5
VSS
BA1
A0
A9
A7
A5
VSS
BA1
A0
A6
A2
A6
A2
VDD
VDD
R
R
A4
A3
A4
A3
Depopulated Balls
Depopulated Balls
PDF: 09005aef8091e6d1
256Mb_sdr.pdf - Rev. R 10/12 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
12
© 1999 Micron Technology, Inc. All rights reserved.
MICRON [ MICRON TECHNOLOGY ]
