Signal integrity correlation results – Xilinx Virtex-5 FPGA ML561 User Manual
Page 79
Advertising
Virtex-5 FPGA ML561 User Guide
79
UG199 (v1.2.1) June 15, 2009
Signal Integrity Correlation Results
R
Figure 7-35:
DDR2 DIMM Read Extrapolation - Eye Scope Shot at Receiver IOB (Slow Corner)
2000.0
2400.0
2800.0
3200.0
3600.0
4000.0
-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_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)
30.000
40.000
50.000
60.000
70.000
-200.0
0.000
200.0
400.0
600.0
800.0
1000.0
1200.0
1400.0
1600.0
1800.0
UG199_c7_36_071007
Time (ns)
Voltage (mV)
Probe 6:U5_B00.H29 (at die)
Advertising