Simultaneously, those of the binary weighted current sources not selected by the switches to contribute to the charge pump current are separately combined, and this total current is mirrored to {HEAD ~ an electrical replica} of {TAIL ~ the charge pump} 
of
Simultaneously , those of the binary weighted current sources not selected by the switches to contribute to the charge pump current are separately combined , and this total current is mirrored to { HEAD ~ an electrical replica } of { TAIL ~ the charge pump }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL