Xilinx Virtex-5 FPGA ML561 Manual de usuario Pagina 84

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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)
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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)
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UG199_c7_45_071007
Time (ns)
Voltage (mV)
Probe 6:U35.G11 (at die)
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