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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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UPD161623 Datenblatt(PDF) 78 Page - NEC |
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UPD161623 Datenblatt(HTML) 78 Page - NEC |
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78 / 83 page  Data Sheet S15817EJ2V0DS 78 µµµµPD161623 When VDD1 = 2.5 to 3.6 V, VDD2 = 2.5 to 3.6 V, VDD2 ≥≥≥≥ VDD1 (normal mode, R114 = R115 = 01H) Parameter Symbol Condition MIN. TYP. Note MAX. Unit Address hold time tAH6 RS 0 ns Address setup time tAS6 RS 0 ns System cycle time tCYC6 250 ns Data setup time tDS6 D0 to D17 80 ns Data hold time tDH6 D0 to D17 0ns Access time tACC6 D0 to D17, CL = 100 pF 110 ns Output disable time tOH6 D0 to D17, CL = 100 pF 10 100 ns Enable high pulse width Read tEWHR E 140 ns Write tEWHW E 120 ns Enable low pulse width Read tEWLR E80 ns Write tEWLW E60 ns Note TYP. values are reference values when TA = 25 °C. Remarks 1. The rise and fall times (tr and tf) of input signals are rated at 15 ns or less. When using a fast system cycle time, the rated value range is either (tr + tf) < (tCYC6–tEWLR–tEWHR) or (tr + tf) < (tCYC6–tEWLW–tEWHW). 2. All timing is rated based on 20 to 80% of VDD1 . When VDD1 = 1.7 to 2.5 V, VDD2 = 2.5 to 3.6 V, VDD2 ≥≥≥≥ VDD1 (normal mode, R114 = R115 = 01H) Parameter Symbol Condition MIN. TYP. Note MAX. Unit Address hold time tAH6 RS 0 ns Address setup time tAS6 RS 0 ns System cycle time tCYC6 333 ns Data setup time tDS6 D0 to D17 100 ns Data hold time tDH6 D0 to D17 0ns Access time tACC6 D0 to D17, CL = 100 pF 150 ns Output disable time tOH6 D0 to D17, CL = 100 pF 10 150 ns Enable high pulse width Read tEWHR E 160 ns Write tEWHW E 160 ns Enable low pulse width Read tEWLR E 140 ns Write tEWLW E 100 ns Note TYP. values are reference values when TA = 25 °C. Remarks 1. The rise and fall times (tr and tf) of input signals are rated at 15 ns or less. When using a fast system cycle time, the rated value range is either (tr + tf) < (tCYC6–tEWLR–tEWHR) or (tr + tf) < (tCYC6–tEWLW–tEWHW). 2. All timing is rated based on 20 to 80% of VDD1 . |
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