20
LatticeECP2M PCI Express x4
Lattice Semiconductor
Evaluation Board User’s Guide
Figure 11. DDR2 Device/Termination
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
DDR2_DQS0
DDR2_DQ1
DDR2_DQ4
DDR2_DQ6
DDR2_DQ2
DDR2_DQ0
DDR2_DQ5
DDR2_DQ7
DDR2_DQ3
DDR2_DQ8
DDR2_DQ[0:15]
DDR2_DQ9
DDR2_DQ14
DDR2_DQ13
DDR2_DQ11
DDR2_DQ10
DDR2_DQ15
DDR2_DQ12
DDR2_DQS1
DDR2_A5
DDR2_A3
DDR2_A0
DDR2_A8
DDR2_A4
DDR2_A1
DDR2_A7
DDR2_A6
DDR2_A2
DDR2_A9
DDR2_A10
DDR2_A12
DDR2_A11
DDR2_DM0
DDR2_DM1
VDDL
DDR2_ODT0
DDR2_RAS#
DDR2_WE#
DDR2_CS0#
DDR2_CKE0#
DDR2_BA0
DDR2_BA1
DDR2_K#
DDR2_K
DDR2_CAS#
DDR2_BA1
DDR2_BA0
DDR2_RAS#
DDR2_WE#
DDR2_CAS#
DDR2_A5
DDR2_A3
DDR2_A0
DDR2_A8
DDR2_A4
DDR2_A1
DDR2_A7
DDR2_A6
DDR2_A2
DDR2_A9
DDR2_A12
DDR2_A11
DDR2_A10
DDR2_A[0:12]
DDR2_CS0#
DDR2_ODT0
DDR2_DM0
DDR2_DM1
DDR2_K
DDR2_K#
DDR2_CKE0#
DDR2_A[0:12]
DDR2_DQS0#
DDR2_DQS1#
1_8V
1_8V
2_5V
2_5V
1_8V
1_8V
DDR_VTT
1_8V
1_8V
DDR_VTT
DDR_VTT
DDR_VTT
DDR_VTT
DDR_VTT
DDR2_DQ[0:15]
[6]
DDR2_A[0:12]
[6]
DDR2_DQS0
[6]
DDR2_DM0
[6]
DDR2_DM1
[6]
DDR2_K
[6]
DDR2_K#
[6]
DDR2_CKE0
[6]
DDR2_WE#
[6]
DDR2_RAS#
[6]
DDR2_CAS#
[6]
DDR2_ODT0
[6]
DDR2_CS0#
[6]
DDR2_BA0
[6]
DDR2_BA1
[6]
DDR2_DQS0#
[6]
DDR2_DQS1
[6]
DDR2_DQS1#
[6]
Title
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a
D
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ECP2M PCI EXPRESS Card
1.0
DDR2 Device/Termination
C
71
1
Title
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et
a
D
of
ECP2M PCI EXPRESS Card
1.0
DDR2 Device/Termination
C
71
1
Title
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tc
ej
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P
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et
a
D
of
ECP2M PCI EXPRESS Card
1.0
DDR2 Device/Termination
C
71
1
VTT
RESISTOR
VTT
X1
needs to be matched length
for all traces
U1 Pin
DDR2
Device Pin
X1
X2
Termination
at end of line
C206
100NF-0603SMT
C206
100NF-0603SMT
+
C185
47UF-16V_TANTBSMT
+
C185
47UF-16V_TANTBSMT
+
C194
100UF-FKSMT
+
C194
100UF-FKSMT
PP11PP11
1
2
C203
100NF-0603SMT
C203
100NF-0603SMT
C207
10NF-0603SMT
C207
10NF-0603SMT
C190
100NF-0603SMT
C190
100NF-0603SMT
U18B
DDR2-SDRAM-84FBGA
U18B
DDR2-SDRAM-84FBGA
VDD
A1
VDD
E1
VDD
J9
VDD
M9
VDD
R1
VSS
A3
VSS
E3
VSS
J3
VSS
N1
VSS
P9
VDDQ
A9
VDDQ
C1
VDDQ
C3
VDDQ
C7
VDDQ
C9
VDDQ
E9
VDDQ
G1
VDDQ
G3
VDDQ
G7
VDDQ
G9
VSSQ
A7
VSSQ
B2
VSSQ
B8
VSSQ
D2
VSSQ
D8
VSSQ
E7
VSSQ
F2
VSSQ
F8
VSSQ
H2
VSSQ
H8
VDDL
J1
VREF
J2
VSSDL
J7
C197
10NF-0603SMT
C197
10NF-0603SMT
C191
10NF-0603SMT
C191
10NF-0603SMT
C208
100NF-0603SMT
C208
100NF-0603SMT
R96
51R-0603SMT
R96
51R-0603SMT
C201
1UF-16V-0805S
MT
C201
1UF-16V-0805S
MT
R95
51R-0603SMT
R95
51R-0603SMT
C209
10NF-0603SMT
C209
10NF-0603SMT
C192
100NF-0603SMT
C192
100NF-0603SMT
C199
1UF-16V-0805S
MT
C199
1UF-16V-0805S
MT
+
C200
22UF-16V_TANTBSMT
+
C200
22UF-16V_TANTBSMT
R94
1K-0603SMT
R94
1K-0603SMT
C210
100NF-0603SMT
C210
100NF-0603SMT
+
C198
22UF-16V_TANTBSMT
+
C198
22UF-16V_TANTBSMT
+
C196
10UF-16V_TANTBSMT
+
C196
10UF-16V_TANTBSMT
FB4
BLM41PG600SN1
FB4
BLM41PG600SN1
C212
1UF-16V-0805S
MT
C212
1UF-16V-0805S
MT
C213
100NF-0603SMT
C213
100NF-0603SMT
R90
1K-0603SMT
R90
1K-0603SMT
R89
0R-0603SMT
R89
0R-0603SMT
U17
LP2996-SO8
U17
LP2996-SO8
GND
1
SD
2
VSENSE
3
VREF
4
VDDQ
5
AVIN
6
PVIN
7
VTT
8
C214
10NF-0603SMT
C214
10NF-0603SMT
+
C211
22UF-16V_TANTBSMT
+
C211
22UF-16V_TANTBSMT
R1
R1
R1=50 Ohm
RP2
CTS-RT1402B7
R1
R1
R1=50 Ohm
RP2
CTS-RT1402B7
A2
A2
B2
B2
C2
C2
D2
D2
E2
E2
F2
F2
G2
G2
H2
H2
J2
J2
A3
A3
B3
B3
C3
C3
D3
D3
E3
E3
F3
F3
G3
G3
H3
H3
J3
J3
A1
A1
B1
B1
C1
C1
D1
D1
E1
E1
F1
F1
G1
G1
H1
H1
J1
J1
U18A
DDR2-SDRAM-84FBGA
U18A
DDR2-SDRAM-84FBGA
NC_A2
A2
DQ14
B1
DQ15
B9
DQ9
C2
DQ8
C8
DQ12
D1
DQ11
D3
DQ10
D7
DQ13
D9
DQ6
F1
DQ7
F9
DQ1
G2
DQ0
G8
DQ4
H1
DQ3
H3
DQ2
H7
DQ5
H9
NC_E2
E2
LDQS#/NU
E8
LDM
F3
LDQS
F7
CK
J8
CK#
K8
CKE
K2
WE#
K3
RAS#
K7
ODT
K9
BA0
L2
BA1
L3
CAS#
L7
CS#
L8
RFU_L1
L1
A0
M8
A1
M3
A2
M7
A3
N2
A4
N8
A5
N3
A6
N7
A7
P2
A8
P8
A9
P3
A10
M2
A11
P7
A12
R2
RFU_R3
R3
RFU_R7
R7
NC_R8
R8
UDM
B3
UDQS
B7
UDQS#/NU
A8
R92
1K_ADJ/SMT3MM
R92
1K_ADJ/SMT3MM
R1
R1
R1=50 Ohm
RP3
CTS-RT1402B7
R1
R1
R1=50 Ohm
RP3
CTS-RT1402B7
A2
A2
B2
B2
C2
C2
D2
D2
E2
E2
F2
F2
G2
G2
H2
H2
J2
J2
A3
A3
B3
B3
C3
C3
D3
D3
E3
E3
F3
F3
G3
G3
H3
H3
J3
J3
A1
A1
B1
B1
C1
C1
D1
D1
E1
E1
F1
F1
G1
G1
H1
H1
J1
J1
C195
1UF-16V-0805S
MT
C195
1UF-16V-0805S
MT
C215
100NF-0603SMT
C215
100NF-0603SMT
C186
100NF-0603SMT
C186
100NF-0603SMT
PP10PP10
1
2
R93
OPEN-0603SMT
R93
OPEN-0603SMT
R91
0R-0603SMT
R91
0R-0603SMT
R88
4_7K-0603SMT
R88
4_7K-0603SMT
C204
100NF-0603SMT
C204
100NF-0603SMT
C184
100NF-0603SMT
C184
100NF-0603SMT
C187
10NF-0603SMT
C187
10NF-0603SMT
C193
100NF-0603SMT
C193
100NF-0603SMT
C188
100NF-0603SMT
C188
100NF-0603SMT
C205
10NF-0603SMT
C205
10NF-0603SMT
C183
1UF-16V-0805S
MT
C183
1UF-16V-0805S
MT
C182
100NF-0603SMT
C182
100NF-0603SMT
C202
10NF-0603SMT
C202
10NF-0603SMT
C189
10NF-0603SMT
C189
10NF-0603SMT