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UPD442000AGU-BB55X-9JH Datasheet(PDF) 10 Page - NEC |
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UPD442000AGU-BB55X-9JH Datasheet(HTML) 10 Page - NEC |
10 / 28 page Data Sheet M14669EJ7V0DS 10 µµµµPD442000A-X Read Cycle (1/3) Parameter Symbol VCC ≥ 2.7 V Unit Condition -BB55X -BB70X -BB85X MIN. MAX. MIN. MAX. MIN. MAX. Read cycle time tRC 55 70 85 ns Address access time tAA 55 70 85 ns Note 1 /CE1 access time tCO1 55 70 85 ns CE2 access time tCO2 55 70 85 ns /OE to output valid tOE 30 35 40 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 555 ns /CE1 to output in High-Z tHZ1 20 25 30 ns CE2 to output in High-Z tHZ2 20 25 30 ns /OE to output in High-Z tOHZ 20 25 30 ns Notes 1. The output load is 1TTL + 50 pF. 2. The output load is 1TTL + 5 pF. Read Cycle (2/3) Parameter Symbol VCC ≥ 2.2 V Unit Condition -BC70X -BC85X -BC10X MIN. MAX. MIN. MAX. MIN. MAX. Read cycle time tRC 70 85 100 ns Address access time tAA 70 85 100 ns Note 1 /CE1 access time tCO1 70 85 100 ns CE2 access time tCO2 70 85 100 ns /OE to output valid tOE 35 40 50 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 555 ns /CE1 to output in High-Z tHZ1 25 30 35 ns CE2 to output in High-Z tHZ2 25 30 35 ns /OE to output in High-Z tOHZ 25 30 35 ns Notes 1. The output load is 1TTL + 30 pF. 2. The output load is 1TTL + 5 pF. |
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