SH564128FH8N0QHSCR - Itautec

SH564128FH8N0QHSCRApril 11, 2011ParameterCommand and Address TimingDevice Timing Parameters by Speed Bin (Contd.)SymbolMinDDR3-1333DLL locking time t DLLK 512 - nCKInternal READ command to PRECHARGEcommand delayDelay from start of internal write transactionto internal READ commandt RTPt WTRmax (4nCK,7.5ns)max (4nCK,7.5ns)MaxUnitsNotes- e- 18, eWRITE recovery time t WR 15 - ns eMode Register Set command cycle time t MRD 4 - nCKmax (12nCK,Mode Register Set command update delay t MOD -15ns)ACT to internal read or write delay time t RCD Refer to Speed Bin on page 33. ePRECHARGE command period t RP Refer to Speed Bin on page 33. eACT to ACT or REF command period t RC Refer to Speed Bin on page 33. eCAS to CAS command delay t CCD 4 - nCKAuto-precharge write recovery + prechargetimet DAL(min) WR + roundup (t RP / t CK(avg) ) nCKMulti-purpose register recovery time t MPRR 1 - nCK 22ACTIVE to PRECHARGE command period t RAS Refer to Speed Bin on page 33. eACTIVE to ACTIVE command period for1KB page sizet RRDmax (4nCK,6ns)- eFour activate window for 1KB page size t FAW 30 - ns eCommand and Address setup time to CK,CK referenced to V IH(AC) / V IL(AC) levelsCommand and Address hold time to CK, CKreferenced to V IH(DC) / V IL(DC) levelsControl & Address input pulse width for eachinputCalibration Timingt IS(base)AC175t IS(base)AC150t IH(base)DC10065 - ps 16, b65 + 125 - ps 16, 27, b140 - ps 16, bt IPW 620 - ps 28Power-up and RESET calibration time t ZQinit 512 - nCKNormal operation Full calibration time t ZQoper 256 - nCKNormal operation Short calibration time t ZQCS 64 - nCK 23Corporate 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: +604-399290337