HT12D Decoder IC 2/12 Series, CMOS, 2.4 V to 12 V, DIP-18.
HT12D Decoder IC 2/12 Series, CMOS, 2.4 V to 12 V, DIP-18.

HT12D Decoder IC 2/12 Series, CMOS, 2.4 V to 12 V, DIP-18

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SKU: BE00958
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HT12D is a decoder integrated circuit that belongs to 212 series of decoders.
This series of decoders are mainly used for remote control system applications, like burglar alarm, car door controller, security system etc.
It is mainly provided to interface RF and infrared circuits.
They are paired with 212 series of encoders.
The chosen pair of encoder/decoder should have same number of addresses and data format.
In simple terms, HT12D converts the serial input into parallel outputs.
It decodes the serial addresses and data received by, say, an RF receiver, into parallel data and sends them to output data pins.
The serial input data is compared with the local addresses three times continuously.
The input data code is decoded when no error or unmatched codes are found.
A valid transmission in indicated by a high signal at VT pin.
HT12D is capable of decoding 12 bits, of which 8 are address bits and 4 are data bits.
The data on 4 bit latch type output pins remain unchanged until new is received.
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
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
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 Holteks212 series of encoders
18-pin DIP

Product Includes:-
1x HT12D Decoder IC