Signal A is inverted by {TAIL ~ inverter} 325 and presented to {HEAD ~ the inhibit input} of one shot 311 and the s input of one shot 312 
Signal A is inverted by { TAIL ~ inverter } 325 and presented to { HEAD ~ the inhibit input } of one shot 311 and the s input of one shot 312
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH