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