Microchip Technology, Inc. Electronic Surplus - HCS512-I/SO HCS512-I/SO

The HCS512-I/SO is a KEELOQ code hopping decoder designed for secure remote keyless entry (RKE) systems. It operates within a voltage range of 4.0V to 6.0V and features an external 4 MHz RC oscillator. The device supports the learning of up to four transmitters and includes secure storage for the manufacturer's code and transmitter keys in on-chip EEPROM. It utilizes automatic baud rate detection and incorporates power-saving SLEEP mode. This decoder is suitable for various applications, including automotive remote entry systems, alarms, immobilizers, electronic door locks, and garage openers. It provides four binary function outputs capable of supporting up to 15 functions. The HCS512-I/SO is packaged in an 18-pin DIP/SOIC format, making it compatible with a range of designs. The device's sophisticated error checking ensures that only valid codes are accepted, enhancing the security of the system.