The present invention relates to circuits that are used to change the logic levels from those useful of one family of devices to those useful of {TAIL ~ another family} of {HEAD ~ devices} to effect communication between devices of these two families 
The present invention relates to circuits that are used to change the logic levels from those useful of one family of devices to those useful of { TAIL ~ another family } of { HEAD ~ devices } to effect communication between devices of these two families
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 TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH