HT6221/HT6222 -- Multi-Purpose Encoders

The HT6221 HT6222 are CMOS LSI encoders designed for use in remote control systems. They are capable of encoding 16-bit address codes and 8-bit data codes. Each address/data input CAN be set to one of the two Logic states, 0 and 1.
The HT6221 HT6222 contain 32 keys (K1~K32) and 64 keys (K1~K64), respectively. When one of the keys is triggered, the programmed address/data is transmitted together with the header bits via an IR (38kHz carrier) transmission medium.
By Holtek Semiconductor Inc.
HT6221 's PackagesHT6221 's pdf datasheet

HT6221 Pinout, Pinouts
HT6221 pinout,Pin out
This is one package pinout of HT6221,If you need more pinouts please download HT6221's pdf datasheet.

HT6221 Application circuits
HT6221 circuits
This is one application circuit of HT6221,If you need more circuits,please download HT6221's pdf datasheet.

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