HOLTEKHT12E-20SOPHT12E-20SOP, Encoder, 8 to 1, 2.4 → 12 V, 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 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