| 摘要 |
An open-drain circuit using a voltage divider according to the present invention includes a voltage source VDD; a resistor RA, a resistor RB, and a resistor RC which distribute voltage between the voltage source VDD and the ground and are disposed in series in order from the voltage source VDD to the ground; a PMOS FET with a source connected to the voltage source VDD, a gate connected between the resistor RA and the resistor RB, and a drain connected to an NMOS; and an NMOS FET with a drain connected to the drain of the PMOS FET, a gate connected between the resistor RB and the resistor RC, and a source connected to the ground. |
