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IS41LV44052-60JI Datasheet(PDF) 7 Page - Integrated Silicon Solution, Inc |
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IS41LV44052-60JI Datasheet(HTML) 7 Page - Integrated Silicon Solution, Inc |
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7 / 17 page  Integrated Silicon Solution, Inc. — 1-800-379-4774 7 Rev. C 06/24/01 IS41C4405X IS41LV4405X SERIES ISSI® AC CHARACTERISTICS (Continued)(1,2,3,4,5,6) (Recommended Operating Conditions unless otherwise noted.) -50 -60 Symbol Parameter Min. Max. Min. Max. Units 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 tACH Column-Address Setup Time to CAS 15 — 15 — ns Precharge during WRITE Cycle tOEH OE Hold Time from WE during 8 — 10 — ns READ-MODIFY-WRITE cycle(18) tDS Data-In Setup Time(15, 22) 0 — 0 — ns tDH Data-In Hold Time(15, 22) 8 — 10 — ns tRWC READ-MODIFY-WRITE Cycle Time 108 — 133 — ns tRWD RAS to WE Delay Time during 64 — 77 — ns READ-MODIFY-WRITE Cycle(14) tCWD CAS to WE Delay Time(14, 20) 26 — 32 — ns tAWD Column-Address to WE Delay Time(14) 39 — 47 — ns tPC Fast Page Mode READ or WRITE 20 — 25 — ns Cycle Time tRASP RAS Pulse Width 50 100K 60 100K ns tCPA Access Time from CAS Precharge(15) — 30 — 35 ns tPRWC READ-WRITE Cycle Time(24) 56 — 68 — ns tCOH Data Output Hold after CAS LOW 5 — 5 — ns tOFF Output Buffer Turn-Off Delay from 0 12 0 15 ns CAS or RAS(13,15,19, 24) tWHZ Output Disable Delay from WE 310 3 10 ns tCSR CAS Setup Time (CBR REFRESH)(20, 25) 5 — 5 — ns tCHR CAS Hold Time (CBR REFRESH)( 21, 25) 8 — 10 — ns tORD OE Setup Time prior to RAS during 0 — 0 — ns HIDDEN REFRESH Cycle tREF Auto Refresh Period 2,048 Cycles — 32 — 32 ms 4,096 Cycles — 64 — 64 tT Transition Time (Rise or Fall)(2, 3) 150 1 50 ns AC TEST CONDITIONS Output load: Two TTL Loads and 50 pF (Vcc = 5.0V ±10%) One TTL Load and 50 pF (Vcc = 3.3V ±10%) Input timing reference levels: VIH = 2.4V, VIL = 0.8V (Vcc = 5.0V ±10%); VIH = 2.0V, VIL = 0.8V (Vcc = 3.3V ±10%) Output timing reference levels: VOH = 2.0V, VOL = 0.8V (Vcc = 5V ±10%, 3.3V ±10%) |
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