SH564128FH8N0QHSCR - Itautec

SH564128FH8N0QHSCRApril 11, 2011ParameterTiming of WR command to Power Downentry (BL8OTF, BL8MRS, BC4OTF)Timing of WRA command to Power Downentry (BL8OTF, BL8MRS, BC4OTF)Timing of WR command to Power Downentry (BC4MRS)Timing of WRA command to Power Downentry (BC4MRS)Timing of REF command to Power DownentryTiming of MRS command to Power DownentryODT TimingDevice Timing Parameters by Speed Bin (Contd.)SymbolMint WRPDENWL + 4 + (t WR /t CK(avg) )t WRAPDENWL + 4 + WR +1t WRPDENWL + 2 + (t WR /t CK(avg) )DDR3-1333MaxUnitsNotes- nCK 9- nCK 10- nCK 9t WRAPDEN WL +2 + WR + 1 - nCK 10t REFPDEN 1 - nCK 20, 21t MRSPDEN t MOD (min) -ODT high time without Write command orwith Write command and BC4ODTH4 4 - nCKODT high time with Write command and BL8 ODTH8 6 - nCKAsynchronous RTT turn-on delay (Power-Down with DLL frozen)t AONPD 2 8.5 nsAsynchronous RTT turn-off delay (Power-Down with DLL frozen)t AOFPD 2 8.5 nsRTT turn-on t AON -250 250 ps 7, aRTT_Nom and RTT_WR turn-off time fromODTLoff referencet AOF 0.3 0.7 t CK(avg) 8, aRTT dynamic change skew t ADC 0.3 0.7 t CK(avg) aWrite Leveling TimingFirst DQS/DQS rising edge after writeleveling mode is programmedt WLMRD 40 - nCK 3DQS/DQS delay after write leveling mode isprogrammedt WLDQSEN 25 - nCK 3Write leveling setup time from rising CK, CKcrossing to rising DQS, DQS crossingt WLS 195 - psWrite leveling hold time from rising DQS,DQS crossing to rising CK, CK crossingt WLH 195 - psWrite leveling output delay t WLO 0 9 nsWrite leveling output error t WLOE 0 2 nsCorporate 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: +604-399290339