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UPD448012GY-C12X-MJH Datasheet(PDF) 4 Page - NEC |
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UPD448012GY-C12X-MJH Datasheet(HTML) 4 Page - NEC |
4 / 24 page Data Sheet M14466EJ5V0DS 4 µµµµPD448012-X Block Diagram Address buffer Address buffer Row decoder Memory cell array 8,388,608 bits Input data controller A0 A18 I/O9 - I/O16 /CE1 /WE /OE CE2 /UB /LB Output data controller I/O1 - I/O8 VCC GND Sense amplifier / Switching circuit Column decoder Truth Table /CE1 CE2 /OE /WE /LB /UB Mode I/O Supply current I/O1 - I/O8 I/O9 - I/O16 H ××××× Not selected High impedance High impedance ISB × L ×××× L HHH ×× Output disable High impedance High impedance ICCA L H L L Word read DOUT DOUT L H Lower byte read DOUT High impedance H L Upper byte read High impedance DOUT × LLL Word write DIN DIN L H Lower byte write DIN High impedance H L Upper byte write High impedance DIN × ××× H H Not selected High impedance High impedance ISB Remark × : VIH or VIL |
Similar Part No. - UPD448012GY-C12X-MJH |
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