PT2221M/PT2222M
Infrared Remote Control Transmitter
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
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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
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Using SEL pin, PT2222M can support 128+6
function codes
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Customer code can be selected (please contact
PTC for details)
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Available in COB package
APPLICATIONS
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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
BLOCK DIAGRAM
Tel: 886-66296288
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Fax: 886-29174598
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http://www.princeton.com.tw
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2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
PTC [ PRINCETON TECHNOLOGY CORP ]
