HT6221 Datasheet | Holtek Semiconductor

HT6221/HT6222 Multi-Purpose Encoders 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-active keys Maximum active keys - HT6221: 32 keys - HT6222: 64 keys Low power and high noise immunity CMOS technology Applications - - - - Television and video cassette recorder controllers Burglar alarm systems Smoke and fire alarm systems Garage door controllers - - - - Car door controllers Car alarm systems Security systems Other remote control systems General Description The HT6221/HT6222...