KEELOQCode Hopping Decoder
FEATURES
Security
• Secure storage of Manufacturer’s Code
• Secure storage of transmitter’s keys
• Up to four transmitters can be learned
• KEELOQ code hopping technology
• Normal and secure learning mechanisms
Operating
• 4.0V • 6.0V operation
• 4 MHz external RC oscillator
• Learning indication on LRNOUT
• Auto baud rate detection
• Power saving SLEEP mode
Other
• Stand-alone decoder
• On-chip EEPROM for transmitter storage
• Four binary function outputs• 15 functions
• 18-pin DIP/SOIC package
Typical Applications
• Automotive remote entry systems
• Automotive alarm systems
• Automotive immobilizers
• Gate and garage openers
• Electronic door locks
• Identity tokens
• Burglar alarm systems