Abstract: Consistent with an example embodiment, an edge-rate control circuit arrangement (300) for an I2C bus application comprises a first circuit stage (10, M1, M3), responsive to a state transition of a received signal. A second circuit stage (310, 25, 20, 35, 45, M4, ESD) is responsive to the state transition of the received signal and includes drive circuitry (M4) that is activated in response to the state transition of the received signal in order to provide an edge-transition signal for an I2C bus, and regulation circuitry (310, R1, R2, M0, M2) adapted to control the drive circuit and regulate a transition rate for the edge-transition signal, the transition rate being greater than a transition rate of the received signal at the first circuit stage and greater than a minimum and less than a maximum transition rate designated for communication on the I2C bus.

Abstract: Consistent with an example embodiment, an edge-rate control circuit arrangement (300) for an I2C bus application comprises a first circuit stage (10, M1, M3), responsive to a state transition of a received signal. A second circuit stage (310, 25, 20, 35, 45, M4, ESD) is responsive to the state transition of the received signal and includes drive circuitry (M4) that is activated in response to the state transition of the received signal in order to provide an edge-transition signal for an I2C bus, and regulation circuitry (310, R1, R2, M0, M2) adapted to control the drive circuit and regulate a transition rate for the edge-transition signal, the transition rate being greater than a transition rate of the received signal at the first circuit stage and greater than a minimum and less than a maximum transition rate designated for communication on the I2C bus.

Abstract: Consistent with an example embodiment, an edge-rate control circuit arrangement (300) for an I2C bus application comprises a first circuit stage (10, M1, M3), responsive to a state transition of a received signal. A second circuit stage (310, 25, 20, 35, 45, M4, ESD) is responsive to the state transition of the received signal and includes drive circuitry (M4) that is activated in response to the state transition of the received signal in order to provide an edge-transition signal for an I2C bus, and regulation circuitry (310, R1, R2, M0, M2) adapted to control the drive circuit and regulate a transition rate for the edge-transition signal, the transition rate being greater than a transition rate of the received signal at the first circuit stage and greater than a minimum and less than a maximum transition rate designated for communication on the I2C bus.

Abstract: In an I2C bus, an edge rate control for an output slows the falling edge of a signal. In an example embodiment, there is an edge rate control circuit for use in an I2C bus. The circuit comprises a resistor divider having a first terminal, a divider terminal, and a second terminal. There is a first NMOS transistor having a source, drain, and gate terminal and a first PMOS transistor having a source, drain, and gate terminal; the source terminals of the first NMOS and first PMOS transistors are coupled to one another; the drain terminal of the first PMOS transistor is coupled to the divider terminal of the resistor divider; the gate of the first PMOS transistor is coupled to the second terminal of the resistor divider; and the drain of the first NMOS transistor is coupled to ground.