10.
Circuit Diagrams and PWB Layouts
SSB: MJC MT8280 DDR
12
11
10
9
8
7
6
5
4
3
0
1
2
3
4
5
6
7
8
9
10
11
12
CK
VDDL
VREF
V
SS
DL
14
VDDQ
V
SS
V
SS
Q
BA
A
LDQ
S
UDQ
S
NC
DQ
CKE
WE
ODT
RA
S
1
C
S
CA
S
0
0
1
2
VDD
LDM
UDM
15
1
3
3
0
15
RA
DQM
BA
REXT
1
DN
DQ
S
0
UP
DQ
S
1
RODT
DQ
S
2
DQ
S3
0
1
2
3
4
5
17
6
7
8
9
10
11
12
RC
S
RA
S
CA
S
RWE
CKE
RCLK0
0
RCLK1
3
0
1
2
1
8
19
20
21
22
2
3
24
25
26
27
2
8
29
3
1
RVREF
0
1
2
3
4
5
6
7
8
9
10
11
12
1
3
14
DQ
16
12
11
10
9
8
7
6
5
4
3
0
1
2
3
4
5
6
7
8
9
10
11
12
CK
VDDL
VREF
V
SS
DL
14
VDDQ
V
SS
V
SS
Q
BA
A
LDQ
S
UDQ
S
NC
DQ
CKE
WE
ODT
RA
S
1
C
S
CA
S
0
0
1
2
VDD
LDM
UDM
15
1
3
7
2F5
8
D10
9
2F60 F2
11
2F62 A2
1
2F44 D10
2F
3
5 C7
2F24 C10
2F42 C10
2F26 C10
2F65 B7
3
F12-4 B6
2F6
8
B7
2F66 B7
2F70 B7
3
F09-4 B5
3
F40 B9
3
F41 C4
3
F12-
3
B6
3
F11-4 B6
3
F12-2 B9
3
F
3
5 F5
NC
FF14 C10
NC
NC
NC
3
F14-
3
B9
DDR #1
NC
7F02 D10
2F57 D7
3
F11-1 B6
2F59 F2
3
F11-
3
B6
2F61 F2
3
F12-1 B9
2F6
3
A
3
2F67 B7
3
F
3
1 E4
DDR #2
NC
MJC MT
8
2
8
0 - DDR
3
F09-1 B5
3
F09-2 B6
2F69 B7
3
F1
3
-1 B6
3
F1
3
-
3
B9
3
F
3
7 F4
B
11
12
B
C
D
E
9
TO MJC-DDR
2
RE
S
6
4
RE
S
NC
G
H
12
RE
S
8
RE
S
FOR EMC
F
2F29 C6
A
2F
3
1 C10
2
3
D
5
6
7
8
2F
3
9 C7
10
H
2F46 D10
2F72 B7
2F4
8
D10
2F74 B7
2F50 D10
2F76 B
8
2F52 D10
2F55 D7
3
F09-
3
B6
3
F
38
F4
2F
8
0 B
3
3
B19 B4
2F
8
2 C
3
4F01 B
3
2F
8
4 A10
7F01 D6
2F
8
6 A11
7F0
3
A
3
2F
88
A11
FF10 A2
2F90 B10
FF12 B4
2F92 B11
2F9
3
B11
2F5
3
D7
C
2F47 D7
E
2F49 D7
2F51 D7
2F2
3
C6
2F
3
6 C10
2F
3
7 C7
5
3
NC
2F79 B
3
2F
8
1 B2
2F
83
C4
2F
8
5 A10
2F
8
7 A11
2F
8
9 B10
2F54 D10
2F91 B11
2F56 D10
2F27 C7
8
4
10
NC
2F
33
C7
NC
NC
NC
2F25 C7
1
2F41 C7
2F2
8
C10
G
2F
3
0 C7
2F4
3
D7
2F
3
2 C10
2F
3
4 C10
2F45 D7
F
A
2F
38
C10
2F64 B
3
2F40 C10
2F71 B7
3
F
3
9 B2
2F7
3
B7
3
F14-2 B9
2F75 B7
3
F14-4 B9
2F77 B
8
3
F
3
4 E4
3
F
3
6 F9
FF1
3
C7
IF01 B2
3
F1
3
-2 B5
5F01 A
3
3
F1
3
-4 B6
3
F14-1 B9
3
F11-2 B6
7G01-2 C2
FF11 A
3
3
F
3
2 E4
3
F
33
E4
33
R
3
F
3
7
3
F14-1
47R
1
GND
PVIN
7
2
S
D_
5
VDDQ
4
VREF
3
V
S
EN
S
E
8
VTT
7F0
3
LP2996M
6
AVIN
1
+1V
8
_
S
W
FF12
2F70
100n
4
u
7
100n
2F69
2F79
2F72
100n
1
%
75R
3
F41
100n
2F71
3
F40
47R
3
F11-
3
47R
3
6
5F01
3
0R
100
u
16V
4F01
2F62
47R
27
+1V
8
_
S
W
3
F1
3
-2
3
F
3
9
4K7
2F
8
2
FF11
+1V
8
_
S
W
1
u
0
2F
8
0
100n
2F64
100
u
16V
+0V9_VTT
100n
IF01
2F
8
1
FF10
47R
3
F14-2
27
45
3
F1
3
-4
47R
1
8
+1V
8
_
S
W
47R
3
F1
3
-1
6
100n
2F77
3
F14-
3
47R
3
2F76
100n
100n
100n
2F75
2F74
100n
2F7
3
FF1
3
2F6
8
100n
100n
2F67
2F66
100n
45
1
8
47R
3
F11-4
3
F11-1
47R
47R
3
F12-
3
3
6
100n
2F6
3
1
8
5
47R
3
F12-1
47R
3
F09-4
4
2F
83
100n
27
75R
3
B19
47R
3
F09-2
+1V
8
_
S
W
1
%
4
5
47R
3
F14-4
A7
H
8
B2
B
8
D2
D
8
E7
F2
F
8
H2
K
3
G1
G
3
G7
J2
A
3
E
3
J
3
N1
P9
J7
M9
R1
J1
A9
G9
C1
C
3
C7
C9
E9
R7
R
8
K9
K7
B
3
B7
A
8
A1
E1
J9
F9
C
8
C2
F
3
F7
E
8
A2
E2
L1
R
3
D7
D
3
D1
D9
B1
B9
H7
H
3
H1
H9
F1
P
8
P
3
L2
L
3
L7
J
8
K2
K
8
L
8
G
8
G2
M
3
M2
P7
R2
M7
N2
N
8
N
3
N7
P2
7F01
EDE2516AC
S
E-6E-E
S
DRAM
Φ
M
8
3
F
38
33
R
3
6
47R
3
F1
3
-
3
2F65
4
u
7
AB6
AA6
J4
B7
A6
G2
P4
P5
P1
L2
M2
L
3
P
3
K2
M
3
J2
N4
H1
F2
F1
C2
W2
W1
AB2
AA2
K
3
L1
L4
J1
R
3
D6
G
3
E
3
A2
B1
Y1
AB1
B
3
A
3
C1
AA
3
AB5
Y
3
W4
AA5
A5
W5
AB4
B6
C5
C4
U
3
U1
U4
T2
D5
T1
T4
V
3
V2
Y4
N1
H
3
R2
C7
B4
D2
E4
D
3
E1
F4
H4
Φ
DRAM
MT
8
2
8
0
7G01-2
N2
+1V
8
_
S
W
FF14
2
7
47R
3
F11-2
3
F12-4
47R
45
47R
27
+0V9_VTT
3
F12-2
3
F09-
3
47R
3
6
1
8
3
F09-1
47R
100n
2F25
4
u
7
+1V
8
_
S
W
2F29
100n
2F61
2F
3
0
100n
22R
3
F
3
2
3
F
3
4
22R
100n
100n
2F
3
7
2F
3
9
100n
2F
3
5
100n
2F
33
2F27
100n
2F2
3
16V
100
u
2F57
100n
100n
2F55
2F51
100n
100n
2F49
2F47
100n
16V
2F24
100
u
2F46
100n
100n
2F42
3
F
3
6
100R
100R
3
F
3
5
3
F
3
1
22R
100n
2F40
2F
38
100n
100n
2F5
3
2F
3
4
100n
100n
2F2
8
100n
2F4
3
100n
2F45
100n
2F26
2F41
100n
4
u
7
2F
3
1
A7
H
8
B2
B
8
D2
D
8
E7
F2
F
8
H2
K
3
G1
G
3
G7
J2
A
3
E
3
J
3
N1
P9
J7
M9
R1
J1
A9
G9
C1
C
3
C7
C9
E9
R7
R
8
K9
K7
B
3
B7
A
8
A1
E1
J9
F9
C
8
C2
F
3
F7
E
8
A2
E2
L1
R
3
D7
D
3
D1
D9
B1
B9
H7
H
3
H1
H9
F1
P
8
P
3
L2
L
3
L7
J
8
K2
K
8
L
8
G
8
G2
M
3
M2
P7
R2
M7
N2
N
8
N
3
N7
P2
Φ
S
DRAM
EDE2516AC
S
E-6E-E
7F02
M
8
100n
2F4
8
2F44
100n
22R
3
F
33
100n
2F
3
6
100n
2F
3
2
100n
2F5
8
+1V
8
_
S
W
2F56
100n
100n
4
u
7
2F54
100n
2F52
2F60
100n
2F59
2F50
100n
22n
2F90
22n
2F
88
22n
2F
8
6
22n
2F
8
4
2F
8
7
22n
22n
2F92
2F
8
5
22n
+1V
8
_
S
W
2F9
3
22n
2F91
22n
MJC_VREF
2F
8
9
22n
MJC_RCA
S
n
MJC_RRA
S
n
MJC_RC
S
n
MJC_RODT
MEM_VREF
MJC_RBA1
MJC_RBA0
MJC_RWEn
MJC_RCKE
MJC_RA(11)
MJC_RA(12)
MJC_RA(2)
MJC_RA(
3
)
MJC_RA(4)
MJC_RA(5)
MJC_RA(6)
MJC_RA(7)
MJC_RA(
8
)
MJC_RA(9)
MJC_RA(10)
MJC_RDQ
S3
MJC_RDQ
S3
n
MJC_RDQM2
MJC_RDQM
3
MJC_RA(0:12)
MJC_RA(0)
MJC_RA(1)
MJC_RDQ(29)
MJC_RDQ(
3
0)
MJC_RA(0:12)
MJC_RDQ(0:
3
1)
MJC_RCA
S
n
MJC_RCKE
MJC_RC
S
n
MJC_RODT
MJC_RRA
S
n
MJC_RWEn
MJC_RBA0
MJC_RBA1
MJC_RCLK1
MJC_RCLK1n
MJC_RDQ
S
2
MJC_RDQ
S
2n
MJC_RDQ(19)
MJC_RDQ(20)
MJC_RDQ(21)
MJC_RDQ(22)
MJC_RDQ(2
3
)
MJC_RDQ(24)
MJC_RDQ(25)
MJC_RDQ(26)
MJC_RDQ(27)
MJC_RDQ(2
8
)
MJC_RDQ(16)
MJC_RDQ(17)
MJC_RDQ(1
8
)
MJC_RA(10)
MJC_RA(11)
MJC_RA(12)
MJC_VREF
MJC_RA(0)
MJC_RA(1)
MJC_RA(2)
MJC_RA(
3
)
MJC_RA(4)
MJC_RA(5)
MJC_RA(6)
MJC_RA(7)
MJC_RA(
8
)
MJC_RA(9)
MJC_RCLK1n
MJC_RCLK1
MJC_RA(0)
MJC_RA(1)
MJC_RA(2)
MJC_RA(
3
)
MJC_RA(4)
MJC_RA(5)
MJC_RA(6)
MJC_RA(7)
MJC_RA(
8
)
MJC_RA(9)
MJC_RA(10)
MJC_RA(11)
MJC_RA(12)
MJC_RA(0:12)
MJC_VREF
MJC_RDQM0
MJC_RDQM1
MJC_RDQ(
3
1)
MJC_RWEn
MJC_RBA0
MJC_RBA1
MJC_RBA0
MJC_RBA1
MJC_RC
S
n
MJC_RCA
S
n
MJC_RRA
S
n
MJC_RCKE
MJC_RWEn
MJC_RODT
MJC_RCLK0
MJC_RCLK0n
MJC_RDQ
S
0
MJC_RDQ
S
0n
MJC_RDQ
S
1
MJC_RDQ
S
1n
MJC_RCLK0n
MJC_RCLK0
MJC_RDQ(15)
MJC_RDQM1
MJC_RDQ
S
1
MJC_RDQ
S
1n
MJC_RDQM2
MJC_RDQ
S
2
MJC_RDQ
S
2n
MJC_RDQM
3
MJC_RDQ
S3
MJC_RDQ
S3
n
MJC_RDQ(16)
MJC_RDQ(17)
MJC_RDQ(1
8
)
MJC_RDQ(19)
MJC_RDQ(20)
MJC_RDQ(21)
MJC_RDQ(22)
MJC_RDQ(2
3
)
MJC_RDQ(24)
MJC_RDQ(25)
MJC_RDQ(26)
MJC_RDQ(27)
MJC_RDQ(2
8
)
MJC_RDQ(29)
MJC_RDQ(
3
0)
MJC_RDQ(
3
1)
MJC_RCA
S
n
MJC_RCKE
MJC_RC
S
n
MJC_RODT
MJC_RRA
S
n
MJC_RDQ(6)
MJC_RDQ(7)
MJC_RDQM0
MJC_RDQ
S
0
MJC_RDQ
S
0n
MJC_RDQ(
8
)
MJC_RDQ(9)
MJC_RDQ(10)
MJC_RDQ(11)
MJC_RDQ(12)
MJC_RDQ(1
3
)
MJC_RDQ(14)
MJC_RDQ(4)
MJC_RDQ(5)
MJC_RDQ(6)
MJC_RDQ(7)
MJC_RDQ(
8
)
MJC_RDQ(9)
MJC_RDQ(10)
MJC_RDQ(11)
MJC_RDQ(12)
MJC_RDQ(1
3
)
MJC_RDQ(14)
MJC_RA(0:12)
MJC_RDQ(0:
3
1)
MJC_RDQ(0:
3
1)
MJC_RDQ(0)
MJC_RDQ(1)
MJC_RDQ(2)
MJC_RDQ(
3
)
MJC_RDQ(4)
MJC_RDQ(5)
MJC_RDQ(0)
MJC_RDQ(1)
MJC_RDQ(2)
MJC_RDQ(
3
)
MJC_RDQ(15)
MJC_VREF
MJC_RA(0)
MJC_RA(1)
MJC_RA(2)
MJC_RA(
3
)
MJC_RA(4)
MJC_RA(5)
MJC_RA(6)
MJC_RA(7)
MJC_RA(
8
)
MJC_RA(9)
MJC_RA(10)
MJC_RA(11)
MJC_RA(12)
B0
8
B
B0
8
B
I_17760_01
8
.ep
s
1
8
020
8
3
1
3
9 12
3
6
3
49.1