Holtek HT12E-20SOP, Encoder, 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 HT12E-18DIP Encoder DIP18 package
• 885-0709 HT12E-20SOP Encoder SOP20 package
• 885-0702 HT12D-18DIP Decoder DIP18 package
• 885-0705 HT12D-20SOP Decoder SOP20 package