HT6221 Datasheet - Holtek Semiconductor Inc

HT6221 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), res.

HT6221 Features

* Operating voltage: 1.8V~3.5V DOUT with 38kHz carrier for IR medium Low standby current Minimum transmission word: one word 455kHz ceramic resonator or crystal 16-bit address codes 8-bit data codes

* PPM code method Three double-activ

HT6221_HoltekSemiconductorInc.pdf