estimating drain resistance

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rameshprakash

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Hi,

I am trying to estimate the drain resistance of a transistor (due to the increased clearance (~5um) of drain contacts to the poly) to model it in my simulation.

My transistor size is 5 X (W=30um, L=0.5um)

I want to know how should I go with estimation of W,L for the resistance for the diffusion.

Since the spacing is 5 um wide (between the drain & gate) - I should consider W = 5 um, or I should consider the length as 5 um.

If the diffusion resistivity is 150 ohm/sq.


So the effective resistance = 150 * L / W

Can anyone help me with this?

Thanks,

Ramesh
 

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