ML365 Virtex-II Pro QDR II SRAM Mem. Board
www.xilinx.com
103
UG066 (v1.0) June 29, 2004
1-800-255-7778
Schematics
R
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Title
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Document Number
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1
2
M
L365 QDR II SRAM
Inte
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ac
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Bo
a
rd
B
28
28
03/15/04 08:49:
12
Rev Notes
Re
v# Sheet# Description
0
All Initial Release
1
Change Bank2, Bank7 pinout per Olivier Despaux
2
Change Bank7 pinout R_n_int_A from L30 to P29 per Olivier Despaux
3
3.3V on P3.2 to +2.5V (P3 is 2mm PC IV cable connector)
4
Add addi1.5V decoupling caps, add 20 GND TP
5
Change QDR term pullup R’s from 50 ohm to 100 ohm, add 100 ohm pulldown R’s Chang
e QDR CQ/CQ_n term R’s to pullup/pulldown 100 ohm scheme
Chang
e QDR R_n_ext_* term R’s to pullup/pulldown 100 ohm scheme
Tied
all unused FPGA Bank pins to GND
Wired
FPGA DONE signal to Bank3.AH8
Added
1K 25 turn trimpot to +0.9V_FPGA vref to give +0.6V to +1.2V adjustment
Chang
e TPS54610 1.8V@6A to TPS54810 1.8V @ 8A power
6 U
pdated component footprints only, no changes to schematic
7 A
dded P47 2x1 header wired to Bank4 for logic analyzer clock
8 C
hanged existing 51 ohm 0402 R’s to 100 ohm: QDR1 R276-R281, QDR2 R282-R287, QDR3 R288-R293
9 C
hanged existing decoupling capacitors:
From
1.5V To 2.5V: C318,C149,C224,C159,C88,C150,C77,C140,C73,C175,C95,C157
From
1.8V To 2.5V: C288,C43,C83,C180,C247,C342,C36,C352,C349,C19,C81,C109,C181,C103,C177,C45,C141,C68,C129,C124
10 A
dded addi1.5V decoupling caps C410 - C429
11 A
dded additional 0.1uF filter caps C430-C435 to Bank0, 1, 2, 3, 6, 7 VRP pins Desig
n formally renamed ML365, first board in Xilinx Memory Toolkit program under Olivier Despaux
12 B
ank4, SW6 and SW7, change switch configuration from active low, to active high with pulldown R537
4.7K 0402 pull down, R538 4.7K 0402 pulldown added
Product Not Recommended for New Designs