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UPD43257BCZ-70LL Datasheet(PDF) 5 Page - NEC |
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UPD43257BCZ-70LL Datasheet(HTML) 5 Page - NEC |
5 / 20 page Data Sheet M10693EJ7V0DS00 5 µµµµPD43257B Block Diagram Address buffer Memory cell array 262,144 bits Input data controller A0 A14 I/O8 Sense amplifier / Switching circuit Column decoder /CE1 /WE CE2 Output data controller I/O1 VCC GND Address buffer Row decoder Truth Table /CE1 CE2 /WE Mode I/O Supply current H ×× Not selected High impedance ISB × L × L H H Read DOUT ICCA LH L Write DIN Remark × : VIH or VIL |
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