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UPD43256BGW-B15X-9KL Datasheet(PDF) 9 Page - NEC |
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UPD43256BGW-B15X-9KL Datasheet(HTML) 9 Page - NEC |
9 / 20 page 9 μPD43256B-X Data Sheet M11012EJ6V0DS 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 5 5 5 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 5 5 5 5 5 5 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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