| Part Number | LS7220 |
| Manufacturer | LSI Computer Systems |
| Title | DIGITAL LOCK FOR AUTOMOTIVE IGNITIONS |
| Description | The LS7220 is a MOS digital lock circuit. When wired to a ten-digit keypad, the circuit will recognize one four-digit combination out of a possib... |
| Features |
• 5040 Four-Digit Combinations (for a 10 digit Keypad) • Combinations are Hard-Wire Programmed • Sense Input Enables Operation • Save Memory Feature for Valet Parking • Convenience Delay Controlled by External Capacitor • Static or Momentary Lock Co... |
| Datasheet |
 LS7220 Datasheet
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