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EM42BM3284LBA Datasheet(PDF) 10 Page - Eorex Corporation |
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EM42BM3284LBA Datasheet(HTML) 10 Page - Eorex Corporation |
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10 / 24 page  eorex EM42BM3284LBA Feb. 2009 www.eorex.com AC Operating Test Characteristics (Continued) (VDD=1.8V±0.1V, TA=0°C ~70°C) -6 -75 Symbol Parameter Min. Max. Min. Max. Units tRPST Read Postamble 0.4 0.6 0.4 0.6 tCK tRAS Active to Precharge command period 42 120k 45 120k ns tRC Active to Active command period 60 75 ns tRFC Auto Refresh Row Cycle Time 138 138 ns tRCD Active to Read or Write delay 30 30 ns tRP Precharge command period 22.5 22.5 ns tRRD Active bank A to B command period 12 15 ns tCCD Column address to column address delay 1 1 tCK tCDLR Last data in to Read command 2.5 tCK- tDQSS 2.5 tCK- tDQSS tCK tHZP Pre-charge command to high-Z 3 3 tCK tCDLW Last data in to Write command 1 1 tCK tDPL Last data in to Precharge command 3 3 tCK tWTR Internal Write to Read command delay 2 1 tCK tCKE CKE minimum pulse width 2 2 tCK tWPD Write to pre-charge delay(same bank) 4+ BL/2 3+ BL/2 tCK tRPD Read to pre-charge delay(same bank) BL/2 BL/2 tCK tWRD Write to Read command delay 3+ BL/2 2+ BL/2 tCK tBSTW Burst stop to write delay 3 3 tCK tWR Write recovery 15 15 ns tXSNR Exit self Refresh to non-read command 120 120 ns tXSRD Exit self Refresh to read command 200 200 ns tREFI Average periodic refresh interval 7.8 7.8 us 10/24 |
Similar Part No. - EM42BM3284LBA_09 |
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