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Virtex-5 FPGA ML561 User Guide www.xilinx.com 79
UG199 (v1.2) April 19, 2008
Signal Integrity Correlation Results
R
Figure 7-35: DDR2 DIMM Read Extrapolation - Eye Scope Shot at Receiver IOB (Slow Corner)
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Time (ps)
Voltage (mV)
UG199_c7_35_071007
Probe 6:U5_B00.H29 (at die)
♦ 333 MHz, Slow, PRBS6, 82% UI
♦ Cursor 1: 1.1007V, 2.3997 ns
♦ Cursor 2: 1.0232V, 3.6257 ns
♦ Delta Voltage = 77.5 mV, Delta Time = 1.2260 ns (82% UI)
Figure 7-36: DDR2 DIMM Read Extrapolation - Waveform Scope Shot at Receiver IOB (Slow Corner)
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UG199_c7_36_071007
Time (ns)
Voltage (mV)
Probe 6:U5_B00.H29 (at die)