LAB_WM777 - Using Histograms to Determine DDR2 Read/Write Timing Limits

Characterizing DDR2 memory devices requires the ability to isolate read and write access cycles.
A P P L I C A T I O N B R I E F

Using Histograms to Determine DDR2 Read/Write Timing Limits
(LAB_WM777)
Characterizing DDR2 memory devices differences. Figure 1 shows a histogram Figure 2 shows the WaveScan setup for
requires the ability to isolate read and of the hold time parameter for a 500 s capturing the read operations where the
write access cycles. In LAB_WM776 acquisition of the data and strobe lines of strobe transition occurs within 600 ps of
LeCroy’s WaveScan was used to isolate a DDR2 m