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UPD75P4308GS Datasheet(PDF) 46 Page - Renesas Technology Corp |
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UPD75P4308GS Datasheet(HTML) 46 Page - Renesas Technology Corp |
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46 / 61 page  µPD75P4308 44 Data Sheet U10909EJ2V1DS DC Programming Characteristics (TA = 25 ± 5˚C, VDD = 6.0 ± 0.25 V, VPP = 12.5 ± 0.3 V, VSS = 0V) Parameter Symbol Conditions MIN. TYP. MAX. Unit High-level input voltage VIH1 Other than X1, X2 0.7 VDD VDD V VIH2 X1, X2 VDD–0.5 VDD V Low-level input voltage VIL1 Other than X1, X2 0 0.3 VDD V VIL2 X1, X2 0 0.4 V Input leakage current ILI VIN = VIL or VIH 10 µA High-level output voltage VOH IOH = – 1 mA VDD–1.0 V Low-level output voltage VOL IOL = 1.6 mA 0.4 V VDD supply current IDD 30 mA VPP supply current IPP MD0 = VIL, MD1 = VIH 30 mA Cautions 1. Keep VPP to within +13.5 V, including overshoot. 2. Apply VDD before VPP and turn it off after VPP. AC Programming Characteristics (TA = 25 ± 5˚C, VDD = 6.0 ± 0.25 V, VPP = 12.5 ± 0.3 V, VSS = 0 V) Parameter Symbol Note 1 Conditions MIN. TYP. MAX. Unit Address setup timeNote 2 tAS tAS 2 µs (to MD0 ↓) MD1 setup time (to MD0 ↓)tM1S tOES 2 µs Data setup time (to MD0 ↓)tDS tDS 2 µs Address hold timeNote 2 tAH tAH 2 µs (from MD0 ↑) Data hold time (from MD0 ↑)tDH tDH 2 µs MD0 ↑ → data output float tDF tDF 0 130 ns delay time VPP setup time (to MD3 ↑)tVPS tVPS 2 µs VDD setup time (to MD3 ↑)tVDS tVCS 2 µs Initial program pulse width tPW tPW 0.95 1.0 1.05 ms Additional program pulse width tOPW tOPW 0.95 21.0 ms MD0 setup time (to MD1 ↑)tM0S tCES 2 µs MD0 ↓ → data output delay time tDV tDV MD0 = MD1 = VIL 1 µs MD1 hold time (from MD0 ↑)tM1H tOEH tM1H + tM1R ≥ 50 µs2 µs MD1 recovery time (from MD0 ↓) tM1R tOR 2 µs Program counter reset time tPCR —10 µs X1 input high-, low-level widths tXH, tXL — 0.125 µs X1 input frequency fX — 4.19 MHz Initial mode set time tI —2 µs MD3 setup time (to MD1 ↑)tM3S —2 µs MD3 hold time (from MD1 ↓)tM3H —2 µs MD3 setup time (to MD0 ↓)tM3SR — When program memory is read 2 µs AddressNote 2 → data output tDAD tACC When program memory is read 2 µs delay time AddressNote 2 → data output tHAD tOH When program memory is read 0 130 ns hold time MD3 hold time (from MD0 ↑)tM3HR — When program memory is read 2 µs MD3 ↓ → data output float tDFR — When program memory is read 2 µs delay time Notes 1. Symbol of corresponding µPD27C256A 2. The internal address signal is incremented by one at the rising edge of the fourth X1 input and is not connected to a pin. |
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