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M66220SP Datasheet(PDF) 6 Page - Mitsubishi Electric Semiconductor |
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M66220SP Datasheet(HTML) 6 Page - Mitsubishi Electric Semiconductor |
6 / 11 page MITSUBISHI 〈DIGITAL ASSP〉 M66220SP/FP 256 × 8-BIT MAIL-BOX 6 SWITCHING CHARACTERISTICS (Ta = 0 ~ 70 °C, VCC = 5V±10%, unless otherwise noted) Read cycle Symbol tCR ta(A) ta(CS) ta(OE) tdis(CS) tdis(OE) ten(CS) ten(OE) tv(A) Parameter Read cycle time Address access time Chip select access time Output enable access time Output disable time after CS (Note 5) Output disable time after OE (Note 5) Output enable time after CS (Note 5) Output enable time after OE (Note 5) Data effective time after Address Limits Unit ns ns ns ns ns ns ns ns ns Typ. Max. 70 70 35 35 35 Min. 70 5 5 10 TIMING REQUIREMENTS (Ta = 0 ~ 70 °C, VCC = 5V±10%, unless otherwise noted) Write cycle Symbol tCW tw(WE) tsu(A) tsu(A-WEH) tsu(CS) tsu(D) th(D) trec(WE) tdis(WE) tdis(OE) ten(WE) Parameter Write cycle time Write pulse width Address setup time Address setup time for rise of WE. Chip select setup time (for WE) Data setup time Data hold time Write recovery time Output disable time after WE (Note 5) Output disable time after OE (Note 5) Output enable time after WE (Note 5) Limits Unit ns ns ns ns ns ns ns ns ns ns ns Typ. Max. 35 35 Min. 70 45 0 65 65 40 0 0 0 Note 5: The time required for the output to change from a steady state to ±500mV under the load conditions shown in Fig 2. This parameter is guaranteed but is not tested at shipment. NOT READY TIMING (Ta = 0 ~ 70 °C, VCC = 5V±10%, unless otherwise noted) Symbol tNAA tNDA tNAC tNDC tAPS tNO tNW Parameter Not Ready access time from Address Not Ready disable time from Address Not Ready access time from CS Not Ready disable time from CS Arbitration priority setup time Data output access time from Not Ready. Write hold time from Not Ready. Limits Unit ns ns ns ns ns ns ns Typ. Max. 50 50 50 50 0 Min. 15 65 |
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