{TAIL ~ The latter transistor} 313 is operated as {HEAD ~ a switch} by tying its control electrode to the pin or SC line, which after traversing the battery connector 108 is coupled to the drain electrode of a P channel transistor 314 that is also operated as a switch 
{ TAIL ~ The latter transistor } 313 is operated as { HEAD ~ a switch } by tying its control electrode to the pin or SC line , which after traversing the battery connector 108 is coupled to the drain electrode of a P channel transistor 314 that is also operated as a switch
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