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 |