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IC41SV44054-70TG Datasheet(PDF) 7 Page - Integrated Circuit Solution Inc |
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IC41SV44054-70TG Datasheet(HTML) 7 Page - Integrated Circuit Solution Inc |
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7 / 17 page  IC41SV44052 IC41SV44054 Integrated Circuit Solution Inc. 7 DR035-0B 7/31/2002 AC CHARACTERISTICS(1,2,3,4,5,6) (Recommended Operating Conditions unless otherwise noted.) - 70 - 100 Symbol Parameter Min. Max. Min. Max. Units tRC Random READ or WRITE Cycle Time 130 − 180 − ns tRAC Access Time from RAS(6, 7) − 70 − 100 ns tCAC Access Time from CAS(6, 8, 15) − 20 − 25 ns tAA Access Time from Column-Address(6) − 35 − 50 ns tRAS RAS Pulse Width 70 10K 100 10K ns tRP RAS Precharge Time 50 − 70 − ns tCAS CAS Pulse Width(23) 20 10K 25 10K ns tCP CAS Precharge Time(9) 10 − 10 − ns tCSH CAS Hold Time (21) 70 − 100 − ns tRCD RAS to CAS Delay Time(10, 20) 20 50 25 75 ns tASR Row-Address Setup Time 0 − 0 − ns tRAH Row-Address Hold Time 10 − 15 − ns tASC Column-Address Setup Time(20) 0 − 0 − ns tCAH Column-Address Hold Time(20) 15 − 20 − ns tAR Column-Address Hold Time 70 − 100 − ns (referenced to RAS) tRAD RAS to Column-Address Delay Time(11) 15 35 20 50 ns tRAL Column-Address to RAS Lead Time 35 − 50 − ns tRPC RAS to CAS Precharge Time 5 − 5 − ns tRSH RAS Hold Time 20 − 25 − ns tCLZ CAS to Output in Low-Z(15, 24) 3 − 3 − ns tCRP CAS to RAS Precharge Time(21) 5 − 5 − ns tOD Output Disable Time(19, 24) 320 3 25 ns tOE Output Enable Time(15, 16) -20 - 25 ns tOES OE LOW to CAS HIGH Setup Time 5 − 5 − ns tRCS Read Command Setup Time(17, 20) 0 − 0 − ns tRRH Read Command Hold Time 0 − 0 − ns (referenced to RAS)(12) tRCH Read Command Hold Time 0 − 0 − ns (referenced to CAS)(12, 17, 21) tWCH Write Command Hold Time(17) 10 − 15 − ns tWCR Write Command Hold Time 70 − 100 − ns (referenced to RAS)(17) tWP Write Command Pulse Width(17) 10 − 15 − ns tRWL Write Command to RAS Lead Time(17) 20 − 25 − ns tCWL Write Command to CAS Lead Time(17, 21) 20 − 25 − ns tWCS Write Command Setup Time(14, 17, 20) 0 − 0 − ns tDHR Data-in Hold Time (referenced to RAS)50 − 60 − ns |
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