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 de- scription is different from the RCN description and has a different pur- pose: the created capacitor is a functional logical capacitor, not a para- sitic 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 capacitor : 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 capac- itor. This connector is, of course unique. See locon(3) for details. BCON Pointer to the bcon (bottom plate) connector of the ca- pacitor. This connector is, of course unique. See lo- con(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 capaci- tor type is technological dependent and is not available for any tech- nology. USER Pointer to a ptype list, see ptype(3) for details, that is a general purpose pointer used to share information on the capacitor. This field is used with the LO- CAP_INFO(3) ptype to store physical information. 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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