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Memory layout problem in fingering and sharing

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Jarvsiri

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Memory layout is a digital layout type, still sharing and fingers are not used in memory layout . why ?
 

Because memory always uses the smallest viable transistor
(density is king) so no more than one finger. You may find
leaf-cells share certain (half-)features where sensible (like
a Vss or Vdd connection might share to two or even four
bit cells, at an edge or corner) and the cross-coupled
inverter-pair and/or bit-line switches may share S or D
regions as dictated by layout.
 

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