The SHT2222 are remote control transmitters utilizing CMOS technology specially designed for use on infrared remote control applications. They are pin-to-pin compatible with NEC μPD6122,SHT2222 is packaged in 24 pins SOP and capable controlling 64 function keys and 3 double keys. FEATURES CMOS Technology Low power consumption (VDD=1.8V~5.5V) Pin-to-Pin Compatible with μPD6122 Using SEL pin, SHT2221 can support 128+6 function codes Customer Code can be selected