Low voltage complementary metal oxide semiconductor process tri-state buffer
An oxide semiconductor and tri-state buffer technology, applied in the field of buffers, can solve the problems of limited size, power consumption, and long voltage level drop time
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[0032] A low-voltage complementary metal oxide semiconductor (Complementary Metal Oxide Semiconductor, CMOS) tri-state buffer (Tri-State Buffer), including a logic device, a bias device and a switch device. The logic device receives the input signal and the enable signal and generates the first control signal and the second control signal accordingly. The bias device receives the first control signal and controls the signal level of the third control signal accordingly. The switch device receives the second and third control signals, and couples the output terminal to the first external voltage terminal and the second external voltage terminal when the second and third control signals are activated, respectively. Wherein, when the enable signal is not activated, the second and third control signals are not activated at the same time, so that the output terminal is floating with the first and second external voltage terminals at the same time, and the output terminal is in a high i...
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