SH564128FH8N0QHSCR - Itautec

SH564128FH8N0QHSCRApril 11, 2011ParameterData TimingDevice Timing Parameters by Speed Bin (Contd.)SymbolMinDDR3-1333MaxUnitsNotesDQS, DQS to DQ skew, per group, peraccesst DQSQ - 125 ps 13DQ output hold time from DQS, DQS t QH 0.38 - t CK(avg) 13, bDQ low-impedance from CK, CK t LZ(DQ) -500 250 ps 13, 14, aDQ high-impedance from CK, CK t HZ(DQ) - 250 ps 13, 14, aData setup time to DQS, DQS referenced toV IH(AC) / V IL(AC) levelsData hold time from DQS, DQS referencedto V IH(DC) / V IL(DC) levelst DS(base)AC175t DS(base)AC150t DH(base)DC100- - ps 17, d30 - ps 17, d65 - ps 17, dDQ and DM input pulse width for each input t DIPW 400 - ps 28Data Strobe TimingDQS, DQS differential READ preamble t RPRE 0.9 Note 19 t CK(avg) 13, 19, bDQS, DQS differential READ postamble t RPST 0.3 Note 11 t CK(avg) 11, 13, bDQS, DQS differential output high time t QSH 0.4 - t CK(avg) 13, bDQS, DQS differential output low time t QSL 0.4 - t CK(avg) 13, bDQS, DQS differential WRITE preamble t WPRE 0.9 - t CK(avg)DQS, DQS differential WRITE postamble t WPST 0.3 - t CK(avg)DQS, DQS rising edge output access timefrom rising CK, CKDQS and DQS low-impedance time(Referenced from RL - 1)DQS and DQS low-impedance time(Referenced from RL + BL / 2)t DQSCK -255 255 ps 13, at LZ(DQS) -500 250 ps 13, 14, at HZ(DQS) - 250 ps 13, 14, aDQS, DQS differential input low pulse width t DQSL 0.45 0.55 t CK(avg)DQS, DQS differential input high pulse width t DQSH 0.45 0.55 t CK(avg)DQS, DQS rising edge to CK, CK rising edge t DQSS -0.25 0.25 t CK(avg) cDQS, DQS falling edge setup time to CK, CKrising edgeDQS, DQS falling edge hold time from CK,CK rising edget DSS 0.2 - t CK(avg) ct DSH 0.2 - t CK(avg) cCorporate Headquarters: P. O. Box 1757, Fremont, CA 94538, USA • Tel:(510) 623-1231 • Fax:(510) 623-1434 • E-mail: info@smartm.comEurope: 5 Kelvin Park South, Kelvin South, East Kilbride, G75 ORH, United Kingdom • Tel: +44-870-870-8747 • Fax: +44-870-870-8757Asia/Pacific: Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia • Tel: +604-3992909 • Fax: +604-399290336