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7721 Datasheet(PDF) 559 Page - Renesas Technology Corp |
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7721 Datasheet(HTML) 559 Page - Renesas Technology Corp |
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559 / 577 page  7721 Group User’s Manual 17–96 APPENDIX Appendix 11. Electrical characteristics R/W output tw(RASH) Row address td(RAS-CAS) td(RA-RAS) td(R/W-RAS) tw(RASL) td(E-RASH) th(CAS-R/W) td(E-CASH) tw(CASL) th(CAS-CA) td(E-CA) td(CA-CAS) th(RAS-RA) td(E-RASL) td(E-CASL) MA0–MA9 output At read tw(RASH) Column address Row address td(RAS-CAS) td(RA-RAS) td(R/W-RAS) tw(RASL) td(E-RASH) th(CAS-R/W) td(E-CASH) tw(CASL) th(CAS-CA) td(CA-CAS) th(RAS-RA) td(E-RASL) td(E-CASL) tw(RASL) td(CAS-RAS) At refreshing th(RAS-CAS) tw(CASL) At DRAM control 1 E At write CAS output RAS output R/W output MA0–MA9 output CAS output RAS output CAS output RAS output Column address Test conditions •Vcc = 5 V ± 10 % •Output timing voltage : VOL = 0.8 V, VOH = 2.0 V •D0–D15 input : VIL = 0.8 V, VIH = 2.5 V |
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