78
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
O
S
C
_
200M_N
OSC_250M_P
O
S
C
_
250M_N
EXT
CLK1_
P
EXTCLK1_N
OSC_200M_P
+2.5
V
GND_S
IGN
A
L
EXT
CLK1_
P
EXTCLK1_N
O
S
C
_
200M_N
OSC_200M_P
O
S
C
_
250M_N
OSC_250M_P
+2.5
V
+2.5
V
+2.5
V
Ti
tle
Si
z
e
Doc
u
ment Num
b
e
r
R
e
v
Da
te:
S
h
e
e
t
of
<D
o
c
>
0
ML
3
6
5
Q
D
R
I
I
SRAM Inter
fac
e
Boar
d
B
32
8
01/22/04 0
9:
07:
44
CLOCKS
Differential
Inputs for Test Equip. clock
PECL o
ut
SMT LCC
package
EG2121CA200.0
000M-PHPAB
200M
Hz
PECL o
ut
SMT LCC
package
EG2121CA250.0
000M-PHPAB
250M
Hz
250M
Hz
50 ohm term
. R’s at FPGA Bank4
50 ohm term
. R’s at FPGA Bank5
C5
0.
01uF
C6
0.
01uF
R8
15
C1
0.1uF
C2
0.1uF
Y1
200.000MHz
OE
1
NC
2
GND
3
OUT
4
/OUT
5
VCC
6
J2
CON_SMB_ST
2
3
4
5
1
Y2
250.000MHz
OE
1
NC
2
GND
3
OUT
4
/OUT
5
VCC
6
C4
3.3uF
J1
CON_SMB_ST
2
3
4
5
1
C3
3.3uF
R2
4.7K
R1
4.7K
R7
15
Product Not Recommended for New Designs