Chapter 7: ML561 Hardware-Simulation Correlation

R

UG199_c7_40_071107

Figure 7-40:QDRII Write HW Measurement - Eye Scope Shot at Probe Point (QDRII Memory Via)

 

1800.0

 

 

 

 

 

1600.0

 

 

 

 

 

1400.0

 

 

 

 

 

1200.0

 

 

 

 

(mV)

1000.0

 

 

 

 

 

 

 

 

 

Voltage

800.0

 

 

 

 

600.0

 

 

 

 

 

 

 

 

 

 

400.0

 

 

 

 

 

200.0

 

 

 

 

 

0.000

Probe 3:C7.1 (at pin)

 

 

 

-200.0

 

 

 

 

 

0.000

400.0

800.0

1200.0

1600.0

Time (ps)

UG199_c7_41_070907

300 MHz, Slow, PRBS6, 83.5% UI

Cursor 1: 699.1 mV, 90.0 ps

Cursor 2: 801.0 mV, 1.4770 ns

Delta Voltage = 101.9 mV, Delta Time = 1.3870 ns (83.5% UI)

Figure 7-41:QDRII Write Correlation - Eye Scope Shot at Probe Point (Slow Corner)

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Virtex-5 FPGA ML561 User Guide

UG199 (v1.2) April 19, 2008

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Xilinx ML561 manual 800.0 600.0 400.0 200.0 000 Probe 3C7.1 at pin 1200.0 1600.0