In {TAIL ~ another embodiment}, internal regulation signals are shared with {HEAD ~ other devices} via TSVs 
In { TAIL ~ another embodiment } , internal regulation signals are shared with { HEAD ~ other devices } via TSVs
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH