DESCRIPTION
The PT2221 and PT2222 are remote control transmitters utilizing CMOS Technology specially designed for use on infrared remote control applications. They are pin-to-pin compatible with NEC µPD6121 and µPD6122 respectively. PT2221 is packaged in 20 pins SO and capable of controlling 32 functions and 3 double keys. PT2222, on the other hand, is housed in 24 pins SO and capable of controlling 64 function keys and 3 double keys. PT2221/2 may be paired with PT2225 to construct a powerful remote control system.

FEATURES
❒ CMOS Technology
❒ Low Power Consumption (VDD=2.0 ∼ 5.5V)
❒ Pin-to-Pin Compatible with µPD6121/µPD6122
❒ Using SEL pin, PT2221 can support 64+6 function codes
❒ Using SEL pin, PT2222 can support 128 + 6 function codes
❒ Customer Code can be selected (please contact PTC for details)

APPLICATIONS
❒ Audio Equipment
❒ Television (TV)
❒ Cable TV Tuner
❒ Video Cassette Recorder (VCR)
❒ Cassette Deck
❒ Air Conditioner
❒ Video Compact Disk (VCD)
❒ DVD ROM/Player
❒ Moniputer / Multi-Media Personal Computer System