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HY57V281620AT-6 Datasheet(PDF) 8 Page - Hynix Semiconductor |
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HY57V281620AT-6 Datasheet(HTML) 8 Page - Hynix Semiconductor |
8 / 13 page HY57V281620A Rev. 1.3/Aug. 01 9 AC CHARACTERISTICS II Note : 1. A new command can be given tRRC after self refresh exit Parameter Symbol -6 -7 -K -H -8 -P -S Unit Note Min Max Min Max Min Max Min Max Min Max Min Max Min Max RAS Cycle Time Operation tRC 60 - 65 - 60 - 65 - 68 - 70 - 70 - ns Auto Refresh tRRC 60 - 65 - 60 - 65 - 68 - 70 - 70 - ns RAS to CAS Delay tRCD 18 - 20 - 15 - 20 - 20 - 20 - 20 - ns RAS Active Time tRAS 42 100K 45 100K 45 100K 45 100K 48 100K 50 100K 50 100K ns RAS Precharge Time tRP 18 - 20 - 15 - 20 - 20 - 20 - 20 - ns RAS to RAS Bank Active Delay tRRD 12 - 14 - 15 - 15 - 16 - 20 - 20 - ns CAS to CAS Delay tCCD 1 - 1 - 1 - 1 - 1 - 1 - 1 - CLK Write Command to Data-In Delay tWTL 0 - 0 - 0 - 0 - 0 - 0 - 0 - CLK Data-In to Precharge Command tDPL 2 - 2 - 2 - 2 - 1 - 1 - 1 - CLK Data-In to Active Command tDAL 5 - 5 - 4 - 5 - 4 - 3 - 3 - CLK DQM to Data-Out Hi-Z tDQZ 2 - 2 - 2 - 2 - 2 - 2 - 2 - CLK DQM to Data-In Mask tDQM 0 - 0 - 0 - 0 - 0 - 0 - 0 - CLK MRS to New Command tMRD 2 - 2 - 2 - 2 - 2 - 2 - 2 - CLK Precharge to Data Output Hi-Z CAS Latency = 3 tPROZ3 3 - 3 - 3 - 3 - 3 - 3 - 3 - CLK CAS Latency = 2 tPROZ2 2 - 2 - 2 - 2 - 2 - 2 - 2 - CLK Power Down Exit Time tPDE 1 - 1 - 1 - 1 - 1 - 1 - 1 - CLK Self Refresh Exit Time tSRE 1 - 1 - 1 - 1 - 1 - 1 - 1 - CLK 1 Refresh Time tREF - 64 - 64 - 64 - 64 - 64 - 64 - 64 ms |
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