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WV3EG6437S335D4NG Datasheet(PDF) 8 Page - White Electronic Designs Corporation |
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WV3EG6437S335D4NG Datasheet(HTML) 8 Page - White Electronic Designs Corporation |
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8 / 11 page  8 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs June 2006 Rev. 0 White Electronic Designs Corp. reserves the right to change products or specifications without notice. ADVANCED WV3EG6437S-D4 DDR SDRAM COMPONENT ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS (Continued) AC CHARACTERISTICS 403 355 PARAMETER SYMBOL MIN MAX MIN MAX UNITS DQS write postamble tWPST 0.40 0.60 0.40 0.60 tCK Write recovery time tWR 15 15 ns Internal WRITE to READ command delay tWTR 21 tCK Average periodic refresh interval tREFI 7.80 7.80 µs Exit SELF REFRESH to non-READ command tXSNR 75 75 ns Exit SELF REFRESH to READ command tXSRD 200 200 tCK Auto precharge write recovery + precharge time tRAL tWR/tCK + tRP/tCK tWR/tCK + tRP/tCK tCK Note: AC specification is based on SAMSUNG components. Other DRAM manufactures specification may be different. |
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