DESCRIPTION

The PT2221M and PT2222M 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. PT2221M is packaged in 20 pins SO and capable of controlling 32 functions and 3 double keys. PT2222M, on the other hand, is housed in 24 pins SOP and capable of controlling 64 function keys and 3 double keys. PT2221M/PT2222M may be paired with PT2225 to construct a powerful remote control system.

FEATURES

• CMOS technology

• Low power consumption (VDD=2.0 to 3.3V)

• Pin-to-Pin compatible with µPD6121/µPD6122

• Using SEL pin, PT2221M can support 64+6 function codes

• Using SEL pin, PT2222M can support 128+6 function codes

• Customer code can be selected (please contact PTC for details)

• Available in COB package

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