GAL output cell 1.0
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Latest version:
1.0
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Developer:
University of Hamburg
This circuit shows the typical output cell block used for PAL and GAL programmable devices. It consists of three main components:
- an n-input OR-gate followed by an XOR-gate,
- a D-type flip-flop,
- a few multiplexers to select the routing of the input signals to the external output (on the right) and the feedback output (on the left).
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