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2.1. GofTrace Overview:
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GofTrace is a fully interactive Netlist to Schematic tool.
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A lot of EDA tools draw much more than enough logic when tracing fanout/fanin. Even worse they draw the fixed format schematic, you can't adjust
gates position. After several trace iteration, you most likely get confused.
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GofTrace gives much flexibility in tracing and drawing schematic. You can place
gates anywhere you like, and after schematic is drawn, you still can edit placement of
gates. The ' Place & Route'
feature makes creating schematic much easier. And ' extract
logic cone' draws the whole logic cone you like at one click.
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If some gates are useless in your trace, simply delete them by press Delete key on keyboard.
- Use mouse middle button (Press both buttons if the mouse has only two buttons) to click on the pin you want to trace.
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If the pin is input port, the driver cell will appear with a line connecting to the pin, move the cell while moving the mouse, release the mouse middle button to place the cell.
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If the pin is output port, all fanout cells will appear with their pins connecting to the port by a line. Move the cells while moving the mouse, release the mouse middle button to place the cells.

- You can always move gates after the circuit is drawn.

- Choose manually place & route or automatically place
& route.

- GOF automatically places & routes the gates on the
schematic.


- Click zoom in , zoom out buttons to zoom in/out schematic

- Do Extract Logic Cone to speed up bringing up
related gates.

- The whole logic cone driving the selected gate is
drawn.

- Check ECO checkbutton to enable GofECO, ECO mode. In ECO mode, trace function is still valid. Anything deleted will be saved as ECO actions.
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