Jun 17, 2019 ht12d decoder ic ht12d datasheet pin diagram. Dec 29, 2019 ic ht12d datasheet pdf ht12d is a series decoder ic for remote control applications manufactured by holtek. Ht12d decoder ic so if you are working decoeer a project which has to transmit a 4bit data from one end to other either by wire or wireless then this ic pair will be best suited for you. Ht12d is a decoder integrated circuit that belongs to 212 series. Ht12d simply converts serial data to its input may be. This project has been design around ht12e and ht12d encoder decoder chips from holtek. For decoding a data the ic will requires an oscillatorluckily this ic has one inbuilt. V12v low power and high noise immunity cmos builtin oscillator needs only 5% resistor. The decoders receive data that are transmitted by an. Ht12d decoder ic for remote control systems datasheet. Ht12e is an encoder ic for rf and ir modules mostly.
Pdf icon ht12e is an encoder integrated circuit of series of encoders. If you want security you can connect any of the 8 pins to 5v to make it high. Ht12d simply converts serial data to its input may be received through rf receiver to 12 bit parallel data. They are paired with series of decoders for use in. Functional description operation the 212 series of encoders begin a 4word transmission cycle upon receipt of a transmission enable te for the ht12e or d8d11 for the ht12a, active low. Sep 18, 2019 ht12d decoder ic so if you are working decoeer a project which has to transmit a 4bit data from one end to other either by wire or wireless then this ic pair will be best suited for you. Jun 14, 2019 ht12d decoder ic ht12d datasheet pin diagram. It is mainly used datasheet interfacing rf and infrared circuits. Aug 11, 2019 ht12d decoder ic datasheet pdf ht12d is a series decoder ic for remote control applications manufactured by holtek. Ht12d datasheet, ht12d datasheets, ht12d pdf, ht12d circuit. They are capable of encoding 12 bit of information which consists of 8.
The 212 decoders are a series of cmos lsis for remote control system applications. Generally a resistor of value 51 kohms can be used. Thus this helps in setting up oscillations in the ic. Ht12aht12e 212 series of encoders selection table function address no. Jun 16, 20 ht12d is a 2 12 series decoder ic integrated circuit for remote control applications manufactured by holtek. Ht12d simply converts serial data to its input may be received. The decoders receive serial addresses and data from a programmed 212 series of encoders that are transmitted by a carrier using an rf or an ir transmission medium. Rf based wireless remote using rxtx modules elementzonline. These pins are generally shorted dagasheet a resistor.
In additional to itit also has 8 address lines which can generally th12d grounded along with the pin number 9. Ic ht12d ic ht12d with pin diagram pin diagram ht12d decoder ht12e ht12d ht12d 18 pin ic decoder ht12d encoder ht12e pin diagram encoder ht12e and decoder ht12d. The encoded 12 bit output data can be obtained from this pin. This ic has a total of 18 pinsnine on either sides. Ht12d18dip datasheet 1 part ecad model manufacturer. Oscillator trigger carrier output negative polarity package part no. This series of decoders are mainly used for remote control system applications, like burglar alarm, car door controller, security system etc. Holtek, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. For proper operation, a pair of encoderdecoder with the same number of addresses and data format should be chosen. By using the paired ht12e encoder and ht12d decoder we can transmit 12 bits of parallel. Of this series, the ht12d is arranged to provide 8 address bits and 4 data bits, and ht12f is. Ht12d is a 2 12 series decoder ic integrated circuit for remote control applications manufactured by holtek. It is mainly provided to interface rf and infrared circuits. They are 12bit encodersdecoders, meaning they can transmit 12bit a data.
Ic ht12d datasheet pdf ht12d is a series decoder ic for remote control applications manufactured by holtek. Ic ht12d pdf ht12d is a series decoder ic for remote control applications manufactured by holtek. In additional to itit also has 8 address lines which can generally be grounded along with the pin number 9. Mar 31, 2020 ht12d decoder ic datasheet pdf ht12d is a series decoder ic for remote control applications manufactured by holtek.
This ic hasmany applications in short jt12d remote controlling. Oct 05, 2019 ht12e encoder ic can be used only with its pair ht12d. For proper operation, a pair of encoder decoder with the same number of addresses and data format should be chosen. Rf and ir modules can interface with microcontrollers directly which requires a little bit complex programming. At low signal data is transferred via antenna and received by receiver ic which then decodes it to original parallel data. It is a 12bit decoder that uses 8bits for address and 4 for data. Fri, 12 oct gmt ht12e encoder ic ht12e datasheet pdf ht12e is an encoder integrated circuit of. In additional to itit also has 8 address lines which can. Jul 17, 2019 ht12e encoder ic can be used only with its pair ht12d. For proper operation, a pair of encoder decoder with the same number of of this series, the ht12d is arranged to provide 8 address bits and 4 data bits, and.
It is commonly used for radio frequency rf wireless applications. Complete technical details can be found at the ht12d datasheet given at the end of this page. For proper operation, a pair of encoderdecoder with the same number of of this series, the ht12d is arranged to provide 8 address bits and 4 data bits, and. Pdf icon ht12d is a decoder integrated circuit that belongs to series of decoders. In addition, this encoder ic is easy to implement and simple to use. In this image i have made all four data bits as zero lowwhen this is decoded we will get the same kind of bits on the ht112d side of ht12d, similarly we can make any changes on these 4bits and they will be reflected on the output side of the ht12d decoder ic.
Of this series, the ht12d is arranged to provide 8 address bits and 4 data bits, and ht12f is used to decode 12 bits of address information ht12d. A basic circuit diagram for the ht12d ic is shown below in the above circuit i have set the 8bit address data as 0b, by connecting all address pins to ground. Submitted by admin on 27 october ht12d is a decoder integrated circuit that belongs to 2 12 series of decoders. Jun 03, 2019 ht12d decoder ic ht12d datasheet pin diagram. Holtek 2 12 series of decoders,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The ic is should be powered by 5v pin 18 and the ground pin pin 9 is grounded. This cycle will repeat itself as long as the transmission enable te or d8d11 is. Ht12e is a series encoder ic integrated circuit for remote control applications. Jun 22, 2019 they are capable of encoding 12 bit of information which consists of 8. You can know to set up the ht12d after this from here. Data pins address pins vt pair encoder package encoder decoder dip sop dip sop ht12d 4 8 ht12a ht12e 18 20 18 20 ht12f 0 12 ht12a ht12e 18 20 18 20 addressdata sequence the following table provides addressdata sequence for various models of the 212 series of decoders. Jul 17, 2019 ht12e datasheet pdf ht12e encoder ic can be used only with its pair ht12d. Oct 07, 2019 ic ht12d datasheet pdf ht12d is a series decoder ic for remote control applications manufactured by holtek. Holtek, alldatasheet, datasheet, datasheet search site for electronic.
The 4bit data that is received can be obtained on pins ad0 to ad1 and an yt12d of 8bit has to be set using the pins a0 to a7. Ht12d18dip datasheet, cross reference, circuit and application notes in pdf format. We should set the bits in same pattern on encoder and decoder ic to pair them. Encoder decoder cross reference table decoders part no. This series of decoders are mainly used for remote control system applications, like burglar alarm, car door controller, security decoded etc. These two ics together form an encoder and decoder pair. Ht12d is capable of decoding 12 bits, of which 8 are address bits and 4 are data bits. Ht12d datasheet19 pages holtek 2 12 series of decoders. Now first of all let me acquaint you about these two integrated circuits.
Ht12d decoder ic datasheet pdf ht12d is a series decoder ic for remote control applications manufactured by holtek. Each addressdata input can be set to one of the two logic states. Ht12e datasheet, ht12e pdf, ht12e data sheet, ht12e manual, ht12e pdf, ht12e. For proper operation a pair of encoder decoder with the same number of addresses and data format should be chosen.
The decoders receive serial addresses and data from a programmed 2 12 series of encoders that are transmitted by a carrier using an rf or an ir transmission medium. A valid transmission in indicated by a high signal at vt pin. Ht12d is a decoder integrated circuit that belongs to 2 12 series of decoders. Ht12e encoder ic can be used only with its pair ht12d. By using the paired ht12e encoder and ht12d decoder we can transmit 12 bits of parallel data serially. They are capable of encoding information which consists of n address bits and 12n data bits. Ht12d datasheet, ht12d holtek decoder datasheet, buy ht12d decoder ic. Ht12e datasheet pdf ht12e encoder ic can be used only with its pair ht12d. Ht12e rf encoder ic pinout, application, examples, and datasheet. It is commonly used for radio frequency rf applications. Nov 30, 2019 we should set the bits in same pattern on encoder and decoder ic to pair them.
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