The latter pulls up the SC line strongly to the Vcc or battery power supply line voltage, thereby turning off the P channel {HEAD ~ FET} which is {TAIL ~ the transistor} 313 
is
The latter pulls up the SC line strongly to the Vcc or battery power supply line voltage , thereby turning off the P channel { HEAD ~ FET } which is { TAIL ~ the transistor } 313
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 OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH