86
www.xilinx.com
ML365 Virtex-II Pro QDR II SRAM Mem. Board
1-800-255-7778
UG066 (v1.0) June 29, 2004
Appendix 3:
Memory Board Schematics and Characterization Results
R
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
QDR_DREAD_C35
QDR_DREAD_C34
QDR_DREAD_C33
QDR_DREAD_C32
QDR_DREAD_C31
QDR_DREAD_C30
QDR_DREAD_C29
QDR_DREAD_C28
QDR_DREAD_C27
QDR_DREAD_C26
QDR_DREAD_C25
QDR_DREAD_C24
QDR_DREAD_C23
QDR_DREAD_C22
QDR_DREAD_C21
QDR_DREAD_C20
QDR_DREAD_C19
QDR_DREAD_C18
QDR_DREAD_C17
QDR_DREAD_C16
QDR_DREAD_C15
QDR_DREAD_C14
QDR_DREAD_C13
QDR_DREAD_C12
QDR_DREAD_C11
QDR_DREAD_C10
Q
D
R
_
DREAD_C9
Q
D
R
_
DREAD_C8
Q
D
R
_
DREAD_C7
Q
D
R
_
DREAD_C6
Q
D
R
_
DREAD_C5
Q
D
R
_
DREAD_C4
Q
D
R
_
DREAD_C3
Q
D
R
_
DREAD_C2
Q
D
R
_
DREAD_C1
Q
D
R
_
DREAD_C0
Q
D
R
_
D
R
EAD_C[35:0]
QDR
_
C
Q
_
C
Q
D
R
_
C
Q
_n_C
R
_
n_int_C
+5
V
+3.3V
+2.5V
+1.8V
+0.9V_FPGA
+1.5V
GND_SI
G
N
A
L
Q
D
R
_
D
R
EAD_C[35:0]
QDR
_
C
Q
_
C
Q
D
R
_
C
Q
_n_C
+0.9V_FPGA
+0.9V_FPGA
+1.8V
+1.8V
+1.5V
+0.9V_FPGA
+3.3V
+5
V
+2.5V
+1.8V
+1.8V
+1.8V
+1.5V
+0.9V_FPGA
+5
V
+3.3V
+2.5V
GND_SI
G
N
A
L
+1.8V
R
_n_ex
t_C
Title
Si
z
e
Document Number
R
e
v
Da
te
:
S
h
eet
of
<Do
c
>
1
1
M
L365 QDR II SRAM
Inte
rf
ac
e
Bo
a
rd
B
11
28
03/15/04 08:49:
10
BANK0
QDRII
SRAM 3 (QDR C) DREAD Interface
250MH
z DCM driven
IN
R294
10
0
R295
10
0
R504
10
0
C430
0.1uF
R503
10
0
BANK0
U6A
XC2VP20
IO_L01N_0/VRP_0
E29
IO_L01P_0/VRN_0
E28
IO_L02N_0
H26
IO_L02P_0
G26
IO_L03N_0
H25
IO_L03P_0/VREF_0
G25
IO_L05_0/No_Pair
J25
IO_L06N_0
K24
IO_L06P_0
J24
IO_L37N_0
H22
IO_L37P_0
G22
IO_L38N_0
D26
IO_L38P_0
C26
IO_L39N_0
K21
IO_L39P_0
J21
IO_L43N_0
F22
IO_L43P_0
E22
IO_L44N_0
E25
IO_L44P_0
D25
IO_L45N_0
H21
IO_L45P_0/VREF_0
G21
IO_L46N_0
D22
IO_L46P_0
D23
IO_L49N_0
F21
IO_L49P_0
E21
IO_L50_0/No_Pair
C21
IO_L53_0/No_Pair
C22
IO_L54N_0
L19
IO_L54P_0
K19
IO_L67N_0
G19
IO_L67P_0
F19
IO_L68N_0
E19
IO_L68P_0
D19
IO_L69N_0
L18
IO_L69P_0/VREF_0
K18
IO_L73N_0
G18
IO_L73P_0
F18
IO_L74N_0/GCLK7P
E18
IO_L74P_0/GCLK6S
D18
IO_L75N_0/GCLK5P
J18
IO_L75P_0/GCLK4S
H18
VCCO_0_1
C29
VCCO_0_2
E20
VCCO_0_3
F25
VCCO_0_4
L20
VCCO_0_5
L21
VCCO_0_6
L22
VCCO_0_7
L23
VCCO_0_8
M18
VCCO_0_9
M19
VCCO_0_10
M20
VCCO_0_11
M21
VCCO_0_12
M22
IO_L07N_0
F26
IO_L07P_0
E26
IO_L08N_0
D30
IO_L08P_0
D29
IO_L09N_0
K23
IO_L09P_0/VREF_0
J23
IO_L47N_0
D24
IO_L47P_0
C24
IO_L48N_0
K20
IO_L48P_0
J20
IO_L55N_0
G20
IO_L55P_0
F20
IO_L56N_0
D21
IO_L56P_0
D20
IO_L57N_0
J19
IO_L57P_0/VREF_0
H19
R117
51
C370
0.1uF
R502
10
0
R114
51
R3
10
0
Product Not Recommended for New Designs