摘要:
A method, system, and apparatus to a novel single supply level shifter circuit for multi-voltage designs, capable of up/down shifting are disclosed. In one embodiment, a system includes a first circuit, a second circuit, a voltage source with an output voltage equal to a voltage value of the second circuit, a level shifter circuit coupled with both an output of the first circuit and an output of the voltage source and wherein the level shifter circuit is used to convert a voltage value of a signal from the first circuit to the voltage value of the second circuit, and a capacitor loop circuit associated with the first circuit, the level shifter circuit and the voltage source and configured with a capacitor to charge from at least one of a first circuit output voltage.
摘要:
A method, system, and apparatus to a novel single supply level shifter circuit for multi-voltage designs, capable of up/down shifting are disclosed. In one embodiment, a system includes a first circuit, a second circuit, a voltage source with an output voltage equal to a voltage value of the second circuit, a level shifter circuit coupled with both an output of the first circuit and an output of the voltage source and wherein the level shifter circuit is used to convert a voltage value of a signal from the first circuit to the voltage value of the second circuit, and a capacitor loop circuit associated with the first circuit, the level shifter circuit and the voltage source and configured with a capacitor to charge from at least one of a first circuit output voltage.
摘要:
A method and/or a system of control signal synchronization of a scannable storage circuit is disclosed. In one embodiment, a system includes a first circuit to operate based on a first voltage of a first power supply, a second circuit to operate based on a second voltage of a second power supply, a level shifter circuit between the first circuit and the second circuit to translate between the first voltage of the first power supply and the second voltage of the second power supply, and a n-channel metal-oxide semiconductor field-effect transistor (nMOSFET) having a gate input of the second voltage and serially coupled in a fall path of the level shifter circuit to increase a rate of a capacitive discharge such that the rate of a capacitive discharge charge is substantially equal to a rate of a capacitive charge (e.g., the fall delay may also increase a bit because of an extra transistor).
摘要:
A method and/or a system of control signal synchronization of a scannable storage circuit is disclosed. In one embodiment, a system includes a first circuit to operate based on a first voltage of a first power supply, a second circuit to operate based on a second voltage of a second power supply, a level shifter circuit between the first circuit and the second circuit to translate between the first voltage of the first power supply and the second voltage of the second power supply, and a n-channel metal-oxide semiconductor field-effect transistor (nMOSFET) having a gate input of the second voltage and serially coupled in a fall path of the level shifter circuit to increase a rate of a capacitive discharge such that the rate of a capacitive discharge charge is substantially equal to a rate of a capacitive charge (e.g., the fall delay may also increase a bit because of an extra transistor).
摘要:
A flip-flop is configured for low standby/leakage power for power-conservation, especially in battery operated portable devices using flip-flops. The flip-flop uses a clock and may be a D flip-flop, including a master latch with first and second inverters and a slave latch. The inverters in the master-latch are configured to be selectively gated. The gating is preferably done by first and second transistors receiving the clock signal and connected between a voltage source and the ground. The gating cuts off power supply to the inverters when the clock is low and reduces leakage power. The slave latch includes a primary inverter and a feedback inverter. Expediently, a transmission gate between the master-latch and the slave-latch is eliminated. The primary inverter in the slave-latch is not gated to prevent the input of the feedback inverter from going into a “floating” state.