SH564128FH8N0QHSCR - Itautec

SH564128FH8N0QHSCRApril 11, 2011Refresh ParametersParameter Symbol 2Gb UnitsREF command to ACT or REF command time t RFC 160 nsAverage periodic refresh interval0 °C ≤ T CASE ≤ 85 °C7.8 μst REFI85 °C ≤ T CASE ≤ 95 °C 3.9 μsDevice Standard Speed BinSpeed BinCL - nRCD - nRPDDR3-13339-9-9UnitsParameter Symbol Min MaxInternal read command to first data t AA 13.125 20 nsNotesACT to internal read or write delay time t RCD 13.125 - nsPre command period t RP 13.215 - nsACT to ACT or REF command period t RC 49.125 - nsACT to PRE command period t RAS 36 9 * t REFI nsCL = 6CL = 7CL = 8CL = 9CWL = 52.5 3.3 ns 1, 2, 3, 5t CK(avg)CWL = 6, 7 Reserved ns 4CWL = 5Reserved ns 4CWL = 6 t CK(avg) 1.875 < 2.5 ns 1, 2, 3, 5CWL = 7 Reserved ns 4CWL = 5Reserved ns 4CWL = 6 t CK(avg) 1.875 < 2.5 ns 1, 2, 3, 5CWL = 7 Reserved ns 4CWL = 5, 6Reserved ns 4t CK(avg)CWL = 7 1.5 < 1.875 ns 1, 2, 3Supported CL Settings 6, 7, 8, 9 n CKSupported CWL Settings 5, 6, 7 n CKCorporate 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: +604-399290333