HT 12FHT 12F The 21(2) decoders are a series of CMOS LSIs for remote control system applications. They are paired with Holtek's 21(2) series of encoders (refer to the encoder decoder cross reference table). For proper operation, a pair of encoder decoder with the same number of addresses and data format should be chosen. HT 12F Applications Burglar alarm system Smoke and fire alarm system Garage door controllers Car door controllers Car alarm system

HT 12F

The 21(2) decoders are a series of CMOS LSIs for remote control system applications. They are paired with Holtek's 21(2) series of encoders (refer to the encoder/decoder cross reference table). For proper operation, a pair of encoder/decoder with the same number of addresses and data format should be chosen. 

HT 12F Applications

•  Burglar alarm system 
• Smoke and fire alarm system 
• Garage door controllers 
• Car door controllers 
• Car alarm system 
• Security system 
• Cordless telephones 
• Other remote control systems

Features 

• Operating voltage: 2.4V~12V 
• Low power and high noise immunity CMOS technology 
• Low standby current 
• Capable of decoding 12 bits of information 
• Binary address setting 
• Received codes are checked 3 times 
• Address/Data number combination 
• HT12D: 8 address bits and 4 data bits 
• HT12F: 12 address bits only 
• Built-in oscillator needs only 5% resistor 
• Valid transmission indicator 
• Easy interface with an RF or an infrared transmission medium 
• Minimal external components
• Pair with Holteks 212 series of encoders 
• 18-pin DIP, 20-pin SOP package

Developer : HT12F_Datasheet