Clock gating cell with low power and integrated circuit including the same
Abstract:
An integrated circuit may include a clock gating cell based. The clock gating cell may include a first 2-input logic gate configured to receive a clock input and a first signal and generate a second signal, an inverter configured to receive the second signal and generate a clock output, and a 3-input logic gate including a second 2-input logic gate configured to generate the first signal. The first 2-input logic gate and the second 2-input logic gate form a set reset (SR) latch by being cross-coupled, the 3-input logic gate includes a feedback transistor configured to exclusively receive an internal signal of the first 2-input logic gate, and an activation of the feedback transistor by the internal signal is configured to avoid a race condition by preventing a pull-up or a pull-down of a first node at which the first signal is generated.
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