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UPD43256BGW-B12X-9JL Datasheet(PDF) 9 Page - NEC |
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UPD43256BGW-B12X-9JL Datasheet(HTML) 9 Page - NEC |
9 / 20 page 9 µPD43256B-X Data Sheet M11012EJ4V0DS Read Cycle (1/2) Parameter Symbol VCC ≥ 4.5 V Unit Con- µPD43256B-70X µPD43256B-85X µPD43256B-AxxX µPD43256B-BxxX dition MIN. MAX. MIN. MAX. MIN. MAX. Read cycle time tRC 70 85 100 ns Address access time tAA 70 85 100 ns Note /CS access time tACS 70 85 100 ns /OE access time tOE 35 40 50 ns Output hold from address change tOH 10 10 10 ns /CS to output in low impedance tCLZ 10 10 10 ns /OE to output in low impedance tOLZ 555 ns /CS to output in high impedance tCHZ 30 30 35 ns /OE to output in high impedance tOHZ 30 30 35 ns Note See the output load. Remark These AC characteristics are in common regardless of package types and L, LL versions. Read Cycle (2/2) Parameter Symbol VCC ≥ 3.0 V VCC ≥ 2.7 V Unit Con- µPD43256B- A85X µPD43256B- A10X µPD43256B- A12X µPD43256B- B10X µPD43256B- B12X µPD43256B- B15X dition MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. Read cycle time tRC 85 100 120 100 120 150 ns Address access time tAA 85 100 120 100 120 150 ns Note /CS access time tACS 85 100 120 100 120 150 ns /OE access time tOE 50 60 60 60 60 70 ns Output hold from address change tOH 10 10 10 10 10 10 ns /CS to output in low impedance tCLZ 10 10 10 10 10 10 ns /OE to output in low impedance tOLZ 555555 ns /CS to output in high impedance tCHZ 35 35 40 35 40 50 ns /OE to output in high impedance tOHZ 35 35 40 35 40 50 ns Note See the output load. Remark These AC characteristics are in common regardless of package types. • |
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