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IS41C44002 Datasheet(PDF) 7 Page - Integrated Circuit Solution Inc |
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IS41C44002 Datasheet(HTML) 7 Page - Integrated Circuit Solution Inc |
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7 / 20 page  IC41C4400x and IC41LV4400x Series Integrated Circuit Solution Inc. 7 DR007-0B 10/17/2002 AC CHARACTERISTICS(1,2,3,4,5,6) (Recommended Operating Conditions unless otherwise noted.) - 50 - 60 Symbol Parameter Min. Max. Min. Max. Units tRC Random READ or WRITE Cycle Time 84 − 104 − ns tRAC Access Time from RAS(6, 7) − 50 − 60 ns tCAC Access Time from CAS(6, 8, 15) − 13 − 15 ns tAA Access Time from Column-Address(6) − 25 − 30 ns tRAS RAS Pulse Width 50 10K 60 10K ns tRP RAS Precharge Time 30 − 40 − ns tCAS CAS Pulse Width(23) 8 10K 10 10K ns tCP CAS Precharge Time(9) 9 − 9 − ns tCSH CAS Hold Time (21) 38 − 40 − ns tRCD RAS to CAS Delay Time(10, 20) 12 37 14 45 ns tASR Row-Address Setup Time 0 − 0 − ns tRAH Row-Address Hold Time 8 − 10 − ns tASC Column-Address Setup Time(20) 0 − 0 − ns tCAH Column-Address Hold Time(20) 8 − 10 − ns tAR Column-Address Hold Time 30 − 40 − ns (referenced to RAS) tRAD RAS to Column-Address Delay Time(11) 10 25 12 30 ns tRAL Column-Address to RAS Lead Time 25 − 30 − ns tRPC RAS to CAS Precharge Time 5 − 5 − ns tRSH RAS Hold Time 8 − 10 − ns tRHCP RAS Hold Time from CAS Precharge 30 − 35 − ns tCLZ CAS to Output in Low-Z(15, 24) 0 − 0 − ns tCRP CAS to RAS Precharge Time(21) 5 − 5 − ns tOD Output Disable Time(19, 24) 315 3 15 ns tOE Output Enable Time(15, 16) − 12 − 15 ns tOED Output Enable Data Delay (Write) 12 − 15 − ns tOEHC OE HIGH Hold Time from CAS HIGH 5 − 5 − ns tOEP OE HIGH Pulse Width 10 − 10 − 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) 8 − 10 − ns tWCR Write Command Hold Time 40 − 50 − ns (referenced to RAS)(17) tWP Write Command Pulse Width(17) 8 − 10 − ns tWPZ WE Pulse Widths to Disable Outputs 7 − 7 − ns tRWL Write Command to RAS Lead Time(17) 13 − 15 − ns tCWL Write Command to CAS Lead Time(17, 21) 8 − 10 − ns tWCS Write Command Setup Time(14, 17, 20) 0 − 0 − ns tDHR Data-in Hold Time (referenced to RAS)39 − 39 − ns |
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