76
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
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5
5
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05/17/04 1
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25:
18
Notes Page
Sheet# Rev# Description
2 0 Top Hierarchical Block Diagram 3 0 Clock Sources: Epson EC2121CA OSC, SMA’s 4 3 SystemAce Controller & CF Socket, JTAG Conn.
22 0 LCD I/F Connector, MC74LCX541D level shifters
24 0 Power: +5V, +3.3V, +2.5V, +1.5V
26 9 Decoupling Caps for FPGA and QDR
5 8 QDRII Samsung K7R323684M-FC20 SRAM 1 (A)
23 0 RS232 I/F MAX3316ECUP 2.5V & DB9F Serial Connector
11 11 XC2VP20 Bank 0 VCCo=+1.8V, VRef=+0.9V_FPGA
Highest Ref. Des. #:
Latest Schematic Rev.: 12, on Date 03/15/2004
27 10 Additional Decoupling Caps
Revision Notes are on Sheet 28
28 12 Rev. Notes
1 12 Notes Page
6 5 QDRII SRAM 1 Termination Resistors
8 5 QDRII SRAM 2 Termination Resistors placeholder
10 5 QDRII SRAM 3 Termination Resistors placeholder
12 11 XC2VP20 Bank 1 VCCo=+1.8V, VRef=+0.9V_FPGA 13 11 XC2VP20 Bank 2 VCCo=+1.8V, VRef=+0.9V_FPGA 14 11 XC2VP20 Bank 3 VCCo=+1.8V, VRef=+0.9V_FPGA 15 12 XC2VP20 Bank 4 RS232 I/F & User PB/LED VCCo=+2.5V, VRef=None 16 5 XC2VP20 Bank 5 SystemACE I/F, LCD I/F, SelectMAP header VCCo=+2.5V, VRef=None 17 11 XC2VP20 Bank 6 QDRII SRAM 1 DWRITE & ADDRESS I/F VCCo=+1.8V, VRef=+0.9V_FPGA 18 11 XC2VP20 Bank 7 QDRII SRAM 1 DREAD I/F VCCo=+1.8V, Vref=+0.9V_FPGA 19 5 XC2VP20 Config Block, XCONFIG Conn., JTAG jumpers, VCCINT, VCCAUX, GND blocks 20 0 XC2VP20 MGT’s not used, wired to +2.5V 21 0 XC2VP20 No Connect blocks, wired to GND
R538
C435
L5
J5
P47
U13
Q8
SW8
D11
Y3
7 8 QDRII Samsung K7R323684M-FC20 SRAM 2 (B)
9 8 QDRII Samsung K7R323684M-FC25 SRAM 3 (C)
25 5 Power: +1.8V, +0.9V_QDR, +0.9V_FPGA
Product Not Recommended for New Designs