A bi stable device 1 wherein said first diode is connected to said first and second inverters such that the anode of said first diode is connected to the input of {TAIL ~ said first inverter} and the cathode of said first diode is connected to the output of {HEAD ~ said second inverter} 
A bi stable device 1 wherein said first diode is connected to said first and second inverters such that the anode of said first diode is connected to the input of { TAIL ~ said first inverter } and the cathode of said first diode is connected to the output of { HEAD ~ said second inverter }
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 OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD