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Multi-functional logic gate device and programmable integrated circuit device using the same
Multi-functional logic gate device and programmable integrated circuit device using the same
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机译:多功能逻辑门设备和使用该多功能逻辑门设备的可编程集成电路设备
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摘要
Provided is a logic gate device capable of performing multiple logic operations by using a single logic gate circuit. The multi-functional logic gate device includes a pull-up switching unit having input switches of a first group being respectively connected to multiple input terminals and selection switches of the first group connected to either a selection terminal or a logically inverted selection terminal, the pull-up switching unit electrically connecting the input switches of the first group in series or in parallel between a power source and an output terminal according to logic levels of the selection terminal and the inverted selection terminal. The multi-function logic gate includes a pull-down switching unit having input switches of a second group being respectively connected to multiple input terminals and selection switches of the second group connected to either the selection terminal or the inverted selection terminal, the pull-down switching unit electrically connecting the input switches of the second group in parallel or in series between the output terminal and a ground terminal according to the logic levels of the selection terminal and the inverted selection terminal. The connection of the input switches of the second group is complementarily opposite to the connection of the input switches of the first group.
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