LS7220， LS7220-S
Automotive Ignition Digital Lock (14 Pins)
5，040 four digit Combinations (for a 10 number keypad)
Combinations are hard-wire programmed
SENSE input enables chip operation
Save Memory feature saves Unlock Condition for Valet Parking
SAVE input sets Save Memory and LOCK input resets SAVE Memory
Save Memory and Lock Status outputs
Convenience Delay determined by external capacitor
Static or Momentary Lock Control output
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