Xilinx Virtex-5 FPGA ML561

84 www.xilinx.com Virtex-5 FPGA ML561 User Guide
UG199 (v1.2.1) June 15, 2009
Chapter 7: ML561 Hardware-Simulation Correlation
R
Figure 7-44: QDRII Write Extrapolation - Eye Scope Shot at Receiver IOB (Slow Corner)
0.000 400.0 800.0 1200.0 1600.0
-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_44_070907
Probe 6:U35.G11 (at die)
♦ 300 MHz, Slow, PRBS6, 83% UI
♦ Cursor 1: 699.1 mV, 61.3 ps
♦ Cursor 2: 801.0 mV, 1.4433 ns
♦ Delta Voltage = 101.9 mV, Delta Time = 1.3820 ns (83% UI)
Figure 7-45: QDRII Write Extrapolation - Waveform Scope Shot at Receiver IOB (Slow Corner)
110.000 120.000 130.000 140.000 150.000 160.000
-100.0
100.0
300.0
500.0
700.0
900.0
1100.0
1300.0
1500.0
1700.0
1900.0
UG199_c7_45_071007
Time (ns)
Voltage (mV)
Probe 6:U35.G11 (at die)