Holtek HT12E-20SOP, Encoder 8, 20-Pin SOP

HT12E/D Encoder/Decoder chipset. The HT12E/D chipset works with an Ir or RF transmitter and receiver device to make a 4-button wireless remote control system. 8-bit ID (Address) code set by switches Encoder sends packet containing ID code and button-pressed data four times on serial channel Decoder reads data packet and if ID matches it's own settings, data transferred to four data output pins Received codes are checked three times Power supply: +2.4V to +12Vdc Operating temperature range: -20 to +75°C Applications: Security systems, Smoke ; fire alarm systems, Garage door controllers, Car door controllers, Car alarm systems RS Product Codes ; 885-0692 885-0692 HT12E-18DIP Encoder DIP18 package ; 885-0709 885-0709 HT12E-20SOP Encoder SOP20 package ; 885-0702 885-0702 HT12D-18DIP Decoder DIP18 package ; 885-0705 885-0705 HT12D-20SOP Decoder SOP20 package