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