Chapter 7: ML561 Hardware-Simulation Correlation

R

UG199_c7_22_071107

Figure 7-22:DDR2 DIMM Write HW Measurement - Eye Scope Shot at Probe Point #1 (DDR2 Memory Via)

Voltage (mV)

1800.0

 

 

 

 

 

1600.0

 

 

 

 

 

1400.0

 

 

 

 

 

1200.0

 

 

 

 

 

1000.0

 

 

 

 

 

800.0

 

 

 

 

 

600.0

 

 

 

 

 

400.0

 

 

 

 

 

200.0

 

 

 

 

 

0.000

 

Probe 3:C13.1 (at pin)

 

 

-200.0

 

 

 

 

 

800.0

1200.0

1600.0

2000.0

2400.0

2800.0

Time (ps)

UG199_c7_23_070907

333 MHz, Slow, PRBS6, 77% UI

Cursor 1: 1.1004V, 1.2553 ns

Cursor 2: 1.0253V, 2.4105 ns

Delta Voltage = 75.2 mV, Delta Time = 1.1582 ns (77% UI)

Figure 7-23:DDR2 DIMM Write Correlation - Eye Scope Shot at Probe Point #1 (Slow Corner)

72

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Virtex-5 FPGA ML561 User Guide

 

 

UG199 (v1.2) April 19, 2008

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