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EM6812F2TP24B 数据表(PDF) 79 Page - EM Microelectronic - MARIN SA |
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EM6812F2TP24B 数据表(HTML) 79 Page - EM Microelectronic - MARIN SA |
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79 / 81 page ![]() R EM6812 Copyright © 2005, EM Microelectronic-Marin SA 79 www.emmicroelectronic.com 17.8 DC Characteristics - I/O Pins Conditions: T= -40 to 85 °C, VDD=3.0V (unless otherwise specified) Parameter Conditions Symb. Min. Typ. Max. Unit Input Low voltage Ports A,B, Reset VIL VSS 0.2* VDD V OscOut Note 1 VIL VSS 0.1*Vreg V Input High voltage Ports A,B, Reset, VIH 0.7* VDD VDD V OscOut Note 1 VIH 0.9*Vreg Vreg V Input Hysteresis PA[7:0], PB[7:0] Temp=25°C VHyst 0.4 V VDD =3.0V , VOL=0.30V IOL 1.75 2.8 mA IOL drive 1 PA[5:0], PB[7:4] VDD =3.0V , VOL =1.0V IOL 7.40 mA VDD =3.0V , VOL =0.15V IOL 1.8 3.3 mA VDD =3.0V , VOL =0.30V IOL 6.6 mA IOL drive 2 PA[7:6], PB[3:0] VDD =3.0V , VOL =1.0V IOL 21.4 mA VDD =3.0V, VOH= VDD - 0.30V IOH -2.1 -1.4 mA IOH drive 1 PA[5:0], PB[7:4] VDD =3.0V, VOH = VDD - 1.0V IOH -7.0 mA VDD =3.0V, VOH = VDD - 0.15V IOH -3.8 -2.5 mA VDD =3.0V, VOH = VDD - 0.30V IOH -8.6 mA IOH drive 2 PA[7:6], PB[3:0] VDD =3.0V, VOH = VDD - 1.0V -26.5 mA Input Pull-down Port A,B VDD =3.0V, Pin at 3.0V, 25°C RPD2 80k 100k 130k Ohm Input Pull-up Port A,B VDD =3.0V, Pin at 0.0V, 25°C RPU2 120k 160k 230k Ohm Input Pull-down Test, Reset VDD =3.0V, Pin at 3.0V, 25°C RPD1 20k 40k 70k Ohm Note 1 ; OscOut is only usable if no XTAL connected, its input is referenced to the regulated voltage Vreg. |
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