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SGL04G72B1BQ2SA-CCRT Datasheet(PDF) 11 Page - List of Unclassifed Manufacturers |
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SGL04G72B1BQ2SA-CCRT Datasheet(HTML) 11 Page - List of Unclassifed Manufacturers |
11 / 18 page Data Sheet Rev.1.0 18.02.2014 Swissbit AG Industriestrasse 4 Fon: +41 (0) 71 913 03 03 www.swissbit.com Page 11 CH – 9552 Bronschhofen Fax: +41 (0) 71 913 03 15 eMail: info@swissbit.com of 18 DDR3 SDRAM COMPONENT ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS (Continued) (0°C ≤ TCASE ≤ + 85°C; VDDQ = +1.5V ± 0.075V, VDD = +1.5V ± 0.075V) AC CHARACTERISTICS 10600-CL9 8500-CL7 PARAMETER SYMBOL MIN MAX MIN MAX Unit CTRL, CMD, Addr hold to CK, CK# tIH(Base) 140 - 200 - ps CTRL, CMD, Addr hold to CK, CK# VREF @ 1V/ns tIH(1V) 240 - 300 - ps CAS# to CAS# command delay tCCD 4 - 4 - tCK ACTIVE to ACTIVE (same bank) command period tRC 49.5 - 50.625 - ns ACTIVE bank a to ACTIVE bank b command tRRD max 4nCK,10ns - max 4nCK,7.5ns - ns ACTIVE to READ or WRITE delay tRCD 13.5 - 13.125 - ns Four bank Activate period 1K Page size tFAW 30 - 37.5 - ns 2K Page size 45 - 50 - ACTIVE to PRECHARGE command tRAS 36 70’200 37.5 70’200 ns Internal READ to precharge command delay tRTP max 4nCK,7.5ns - max 4nCK,7.5ns - ns Write recovery time tWR 15 - 15 - ns Auto precharge write recovery + precharge time tDAL tWR + tRP/tCK - tWR + tRP/tCK - ns Internal WRITE to READ command delay tWTR max 4nCK,7.5ns - max 4nCK,7.5ns - ns PRECHARGE command period tRP 15 - 13.125 - ns LOAD MODE command cycle time tMRD 4 - 4 - tCK REFRESH to ACTIVE or REFRESH to REFRESH command interval tRFC 160 70 ’200 160 70 ’200 ns Average periodic refresh interval 0 °C ≤ TCASE ≤ 85°C tREFI - 7.8 - 7.8 µs 85 °C < TCASE ≤ 95°C tREFI IT - 3.9 - 3.9 RTT turn-on from ODTL on reference tAON -250 250 -300 300 ps RTT turn-on from ODTL off reference tAOF 0.3 0.7 0.3 0.7 tCK Asynchronous RTT turn-on delay (power Down with DLL off) tAONPD 2 8,5 2 8,5 ns Asynchronous RTT turn-off delay (power Down with DLL off) tAOFPD 2 8,5 2 8,5 ns RTT dynamic change skew tADC 0.3 0.7 0.3 0.7 tCK Exit self refresh to commands not requiring a locked DLL tXS max 5nCK,tR FC + 10ns - max 5nCK,tR FC + 10ns - ns Write levelling setup from rising CK, CK# crossing to rising DQS, DQS# crossing tWLS 195 - 245 - ps Write levelling setup from rising DQS, DQS# crossing to rising CK, CK# crossing tWLH 195 - 245 - ps First DQS, DQS# rising edge tWLMRD 40 - 40 - tCK DQS, DQS# delay tWLDQSEN 25 - 25 - tCK |
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