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UPD78P324LP 데이터시트(PDF) 63 Page - NEC |
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UPD78P324LP 데이터시트(HTML) 63 Page - NEC |
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63 / 80 page ![]() µPD78P324, 78P324(A) 63 AC Programming Characteristics (TA = 25 ±5 °C, VSS = 0 V) In PROM Write Mode Parameter Address setup time CE set time Input data setup time Address hold time Input data hold time Output data hold time VPP setup time VDDP setup time Initial program pulse width OE set time OE → valid data delay time MIN. TYP. MAX. Unit 2 µs 2 µs 2 µs 2 µs 2 µs 0 130 ns 2 µs 2 µs 0.095 0.1 0.105 ms 2 µs 200 ns SymbolNote1 tAS tCES tDS tAH tDH tDF tVPS tVDSNote 2 tPW tOES tOE Condition Notes 1. Corresponds to the symbol of µPD27C1001A (tVDS excluded). 2. The symbol of tVDS on µPD27C1001A is tVCS. In PROM Read Mode Parameter Address → data output time CE ↓ → data output time OE ↓ → data output time Data hold time (vs. OE ↑, CE ↑)Note 2 Data hold time (vs. address) MIN. TYP. MAX. Unit 2 µs 1 µs 1 µs 0 130 ns 0ns SymbolNote1 tACC tCE tOE tDF tOH Condition CE = OE = VIL OE = VIL CE = VIL CE = VIL or OE = VIL CE = OE = VIL Notes 1. Corresponds to the symbol of µPD27C1001A. 2. tDF refers to the time when either OE or CE became VIH first. |
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