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M5M465160DTP-5 Datasheet(PDF) 4 Page - Mitsubishi Electric Semiconductor |
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M5M465160DTP-5 Datasheet(HTML) 4 Page - Mitsubishi Electric Semiconductor |
4 / 37 page FAST PAGE MODE 67108864-BIT (16777216-WORD BY 4-BIT) DYNAMIC RAM FAST PAGE MODE 67108864-BIT (8388608-WORD BY 8-BIT) DYNAMIC RAM FAST PAGE MODE 67108864-BIT (4194304-WORD BY 16-BIT) DYNAMIC RAM M5M467400/465400DJ,DTP -5,-6,-5S,-6S M5M467800/465800DJ,DTP -5,-6,-5S,-6S M5M465160DJ,DTP -5,-6,-5S,-6S MITSUBISHI ELECTRIC Aug. 1999 MITSUBISHI LSIs (Rev. 1.0) FUNCTION The M5M467400(800)/465400(800,160)DJ, DTP provide, in addition to normal read, write, and read-modify-write operations, a number of other functions, e.g., fast page mode, CAS before RAS refresh, and delayed-write. The input conditions for each are shown in Table 1. Table 1 Input conditions for each mode Operation RAS CAS OE Inputs Input/Output Refresh Remark W Row address address Column Input Output Read Write (Early write) Write (Delayed write) Read-modify-write ACT ACT ACT ACT ACT ACT ACT ACT NAC ACT ACT ACT ACT DNC DNC ACT APD APD APD APD APD APD APD APD OPN VLD OPN IVD VLD FAST PAGE mode identical Standby Hidden refresh ACT ACT NAC ACT ACT DNC NAC DNC ACT DNC DNC DNC DNC DNC DNC DNC DNC OPN DNC DNC VLD OPN OPN YES YES NO CAS before RAS refresh NO NO NO NO VLD VLD VLD M5M467400Dxx / M5M465400Dxx / M5M467800Dxx / M5M465800Dxx 4 Note : ACT : active, NAC : nonactive, DNC : don' t care, VLD : valid, IVD : Invalid, APD : applied, OPN : open Operation RAS Inputs UCAS Lower byte read Lower byte write Word write Stand-by Hidden refresh ACT ACT ACT ACT NAC ACT ACT DNC OE W NAC DNC DNC ACT DNC RAS-only refresh CAS before RAS refresh ACT ACT DNC LCAS Upper byte read NAC NAC NAC ACT Word read ACT ACT ACT NAC ACT Upper byte write ACT ACT ACT ACT NAC NAC ACT ACT ACT NAC ACT NAC ACT NAC ACT NAC NAC DNC NAC ACT ACT ACT ACT DNC DNC Input/Output DQ1~DQ8 OPN VLD OPN OPN DQ9~DQ16 VLD VLD VLD DIN DNC DIN DNC DIN DIN OPN VLD VLD OPN OPN OPN OPN M5M465160Dxx Row address address Column APD APD APD APD APD APD APD APD DNC DNC DNC DNC DNC DNC DNC APD APD APD APD Refresh Remark YES YES NO FAST PAGE mode identical NO NO NO NO NO NO YES RAS-only refresh ACT NAC DNC DNC APD DNC OPN OPN YES APD NAC |
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