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UPD442000A-X Datasheet(PDF) 11 Page - NEC |
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UPD442000A-X Datasheet(HTML) 11 Page - NEC |
11 / 28 page Data Sheet M14669EJ7V0DS 11 µµµµPD442000A-X Read Cycle (3/3) Parameter Symbol VCC ≥ 1.8 V Unit Condition -DD85X -DD10X -DD12X MIN. MAX. MIN. MAX. MIN. MAX. Read cycle time tRC 85 100 120 ns Address access time tAA 85 100 120 ns Note 1 /CE1 access time tCO1 85 100 120 ns CE2 access time tCO2 85 100 120 ns /OE to output valid tOE 40 50 60 ns Output hold from address change tOH 10 10 10 ns /CE1 to output in Low-Z tLZ1 10 10 10 ns Note 2 CE2 to output in Low-Z tLZ2 10 10 10 ns /OE to output in Low-Z tOLZ 55 5 ns /CE1 to output in High-Z tHZ1 30 35 40 ns CE2 to output in High-Z tHZ2 30 35 40 ns /OE to output in High-Z tOHZ 30 35 40 ns Notes 1. The output load is 1TTL + 30 pF. 2. The output load is 1TTL + 5 pF. |
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