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Marvell ARMADA 16x Applications Processor Family

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<strong>Marvell</strong> ® <strong>ARMADA</strong> <strong>16x</strong> <strong>Applications</strong> <strong>Processor</strong> <strong>Family</strong> Hardware Manual<br />

7.1.1 Measurement Conditions<br />

Table 13:<br />

The diagrams in the section use the following conventions:<br />

Standard Input, Output, and I/O-Pin AC Operating Conditions<br />

Symbol Description Min Typical Max Units<br />

C IO IO capacitance, all standard I/O pins — — 5 pf<br />

Figure 8:<br />

SDRAM_CLKn<br />

SDRAM_CLK<br />

Table 14:<br />

Differential Clock<br />

Clock Parameters<br />

V ID v x<br />

Clock Crossing<br />

Symbol Description Min Typical Max Units<br />

Vx Differential Clock Cross over point relative to gnd 0.45*VDDQ — 0.55*VDDQ V<br />

VID DC Differential Output Voltage 1.36 1.44 1.52 V<br />

7.1.2 DDR SDRAM Timing Diagrams and Specifications<br />

Figure 9 through Figure 12 shows the typical LPDDR1 SDRAM timings. Figure 15 shows the skew<br />

timings. Refer to Table 15 for the DDR specifications. Refer to the JEDEC Spec for complete timing<br />

diagrams and specifications.<br />

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Doc. No. MV-S301545-00 Rev. -<br />

Page 42<br />

Copyright © 2010 <strong>Marvell</strong><br />

November 2010 PUBLIC RELEASE

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