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LOCAP(3) MBK LOGICAL STRUCTURE DEFINITIONS LOCAP(3) NAME locap - mbk logical capacitor DESCRIPTION The locap is used to describe a logical capacitor. Please note, this description is different from the RCN description and has a different purpose: the created capacitor is a functional logical capacitor, not a parasitic capacitor. For the time being, only MIM (i.e. metal/metal) and POLY/NWELL capacitors type are supported. The declarations needed to work on locap are available in the header file "/labo/include/mlo.h". The following C structure supports the description of the logical ca- pacitor : typedef struct locap { struct locap *NEXT ; struct locon *TCON ; struct locon *BCON ; char *NAME ; double CAPA ; char TYPE ; struct ptype *USER ; } locap_list ; NEXT Pointer to the next locap of the list. TCON Pointer to the tcon (top plate) connector of the capacitor. This connector is, of course unique. See locon(3) for details. BCON Pointer to the bcon (bottom plate) connector of the capacitor. This connector is, of course unique. See locon(3) for details. NAME Capacitor instance name CAPA Capacitance value TYPE Layer type of the capacitor. Two legal values are available : CAPMIM Metal/metal capacitor. The top plate and the bottom plate are in different metal layers. CAPPNWELL Poly/NWELL capacitor. The top plate layer is POLY, the bottom plate layer is NWELL. Note: this capacitor type is techno- logical dependent and is not available for any technology. USER Pointer to a ptype list, see ptype(3) for details, that is a general purpose pointer used to share in- formation on the capacitor. This field is used with the LOCAP_INFO(3) ptype to store physical in- formation. SEE ALSO mbk(1), addlocap(3), getlocap(3), dellocap(3), setlocap(3), locon(3), lofig(3), ptype(3). ASIM/LIP6 August 14, 2002 LOCAP(3)
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