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UPD43256BGW-B10X-9KL-A Datasheet(PDF) 11 Page - NEC |
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UPD43256BGW-B10X-9KL-A Datasheet(HTML) 11 Page - NEC |
11 / 20 page 11 μPD43256B-X Data Sheet M11012EJ6V0DS Write 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. Write cycle time tWC 70 85 100 ns /CS to end of write tCW 60 70 80 ns Address valid to end of write tAW 60 70 80 ns Write pulse width tWP 55 60 70 ns Data valid to end of write tDW 30 35 40 ns Data hold time tDH 5 5 5 ns Address setup time tAS 0 0 0 ns Write recovery time tWR 0 0 0 ns /WE to output in high impedance tWHZ 30 30 35 ns Note Output active from end of write tOW 5 5 5 ns Note See the output load. Remark These AC characteristics are in common regardless of package types and L, LL versions. Write 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. Write cycle time tWC 85 100 120 100 120 150 ns /CS to end of write tCW 70 70 90 70 90 100 ns Address valid to end of write tAW 70 70 90 70 90 100 ns Write pulse width tWP 60 60 80 60 80 90 ns Data valid to end of write tDW 60 60 70 60 70 80 ns Data hold time tDH 5 5 5 5 5 5 ns Address setup time tAS 0 0 0 0 0 0 ns Write recovery time tWR 0 0 0 0 0 0 ns /WE to output in high impedance tWHZ 35 35 40 35 40 40 ns Note Output active from end of write tOW 5 5 5 5 5 5 ns Note See the output load. Remark These AC characteristics are in common regardless of package types. |
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