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What the smallest unit accessible in an FPGA for realising hardware?

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sandeep_sggs

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Dear All,
What the smallest unit accessible in an FPGA for realising hardware? I mean the smallest hardware unit programmable in FPGA through HDL of any Vendor specific Primitives.
 

Hi,
Logic gates are the deepest you can go. Individual transistors aren't.
 

Akanimo said:
Hi,
Logic gates are the deepest you can go. Individual transistors aren't.
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This is not generally true. You can instantiate a LUT that implements a gate, but not an actual gate.
 

ThisIsNotSam said:
This is not generally true. You can instantiate a LUT that implements a gate, but not an actual gate.
Click to expand...

You probably don't get it. LUT's are basically a network of multiplexers that route up signals that are either tied to GND or to Vcc. Multiplexers themselves are above gate level. They are a combination of logic gates.

The deepest you can go is gate level as there's no transistor level implementation associated with FPGAs.
 
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