Filter
Top Products
Virtex-5 FPGA ML561 User Guide www.xilinx.com 89
UG199 (v1.2) April 19, 2008
Signal Integrity Correlation Results
R
Figure 7-53: QDRII Read Extrapolation - Eye Scope Shot at Receiver IOB (Slow Corner)
1000.0 1400.0 1800.0 2200.0 2600.0
-200.0
0.000
200.0
400.0
600.0
800.0
1000.0
1200.0
1400.0
1600.0
1800.0
Time (ps)
Voltage (mV)
UG199_c7_53_070907
Probe 6:U34.G33 (at die)
♦ 300 MHz, Slow, PRBS6, 88% UI
♦ Cursor 1: 1.1008V, 1.2758 ns
♦ Cursor 2: 998.9 mV, 2.7352 ns
♦ Delta Voltage = 101.9 mV, Delta Time = 1.4594 ns (88% UI)
Figure 7-54: QDRII Read Extrapolation - Waveform Scope Shot at Receiver IOB (Slow Corner
30.000 40.000 50.000 60.000 70.000
-100.0
100.0
300.0
500.0
700.0
900.0
1100.0
1300.0
1500.0
1700.0
1900.0
UG199_c7_54_071007
Time (ns)
Voltage (mV)
Probe 6:U34.G33 (at die)