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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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AS4CM4EOQ Datenblatt(PDF) 8 Page - Alliance Semiconductor Corporation |
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AS4CM4EOQ Datenblatt(HTML) 8 Page - Alliance Semiconductor Corporation |
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8 / 16 page  AS4C4M4EOQ AS4C4M4E1Q ® 3/22/01; v.1.0 Alliance Semiconductor P. 8 of 16 Hyper page mode cycle Output enable Self-refresh cycle Symbol Parameter -50 -60 Unit Notes Min Max Min Max tCPWD CAS precharge to WE delay time 45 – 52 – ns tCPA Access time from CAS precharge – 28 – 35 ns 13 tRASP RAS pulse width 50 100K 60 100K ns tDOH Previous data hold time from CAS 5– 5– ns tREZ Output buffer turn off delay from RAS 0 13 0 15 ns tWEZ Output buffer turn off delay from WE 0 13 0 15 ns tOEZ Output buffer turn off delay from OE 0 13 0 15 ns tHPC Hyper page mode cycle time 20 – 25 – ns tHPRWC Hyper page mode RMW cycle 47 – 56 – ns tRHCP RAS hold time from CAS 30 – 35 – ns Symbol Parameter -50 -60 Unit Notes Min Max Min Max tCLZ CAS to output in Low Z 0 – 0 – ns 8 tROH RAS hold time referenced to OE 8– 10 – ns tOEA OE access time – 13 – 15 ns tOED OE to data delay 13 – 15 – ns tOEZ Output buffer turnoff delay from OE 0 13 0 15 ns 8 tOEH OE command hold time 10 – 10 – ns tOLZ OE to output in Low Z 0 – 0 – ns tOFF Output buffer turn-off time 0 13 0 15 ns 8,10 Std Symbol Parameter -50 -60 Unit Notes Min Max Min Max tRASS RAS pulse width (CBR self refresh) 100 – 100 – µs tRPS RAS precharge time (CBR self refresh) 90 – 105 – ns tCHS CAS hold time (CBR self refresh) -50 – -50 – ns |
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