At all other times the clock input is blocked or clamped to prevent {TAIL ~ spurious signals} or power surge transients from altering {HEAD ~ the stored data} 
At all other times the clock input is blocked or clamped to prevent { TAIL ~ spurious signals } or power surge transients from altering { HEAD ~ the stored data }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD