256Mb, 512Mb, 1Gb, 2Gb: 3V Embedded Parallel NOR Flash
Signal Assignments
Figure 4: 64-Ball Fortified BGA
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
A
B
C
D
E
A
B
C
D
E
RFU A3
A7 RY/BY# WE# A9 A13 RFU
RFU A13 A9 WE# RY/BY# A7
A3 RFU
A26 A4 A17
V
/WP#RST# A8 A12 A22
A22 A12 A8 RST#V /WP# A17 A4 A26
PP
PP
RFU A2
RFU A1
RFU A0
A6 A18 A21 A10 A14 A23
A5 A20 A19 A11 A15 VCCQ
A23 A14 A10 A21 A18 A6
VCCQ A15 A11 A19 A20 A5
A2 RFU
A1 RFU
A0 RFU
D0
D2
D5
D7 A16 VSS
VSS A16 D7
D5
D2
D0
F
F
VCCQ CE# D8 D10 D12 D14 BYTE# A24
RFU OE# D9 D11 VCC D13 D15/A-1 A25
A24 BYTE# D14 D12 D10 D8 CE# VCCQ
A25 D15/A-1 D13 VCC D11 D9 OE# RFU
G
H
G
H
RFU VSS
D1
D3
D4
D6
VSS RFU
RFU VSS
D6
D4
D3
D1
VSS RFU
Fortified BGA
Top view – ball side down
Fortified BGA
Bottom view – ball side up
1. A-1 is the least significant address bit in x8 mode.
2. A23 is valid for 256Mb and above; otherwise, it is RFU.
3. A24 is valid for 512Mb and above; otherwise, it is RFU.
4. A25 is valid for 1Gb and above; otherwise, it is RFU.
5. A26 is valid for 2Gb only; otherwise it is RFU.
Notes:
PDF: 09005aef849b4b09
m29ew_256mb_2gb.pdf - Rev. B 8/12 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
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