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RT1221

Features: ·CMOS technology·Operating voltage:1.8~3.5V·Low power consumption·455KHz ceramic resonator or crystal·REM with 38KHz carrier for IR medium·65536 customer codes can be selected·Maximum active keys:·RT1221: 32 function keys and 3 double action keys·RT1222: 64 function keys and 3 double act...

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SeekIC No. : 004479682 Detail

RT1221: Features: ·CMOS technology·Operating voltage:1.8~3.5V·Low power consumption·455KHz ceramic resonator or crystal·REM with 38KHz carrier for IR medium·65536 customer codes can be selected·Maximum acti...

RT1221 Data Sheet

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Part Number:
RT1221
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

 ·CMOS technology
 ·Operating voltage:1.8~3.5V
 ·Low power consumption
 ·455KHz ceramic resonator or crystal
 ·REM with 38KHz carrier for IR medium
 ·65536 customer codes can be selected
 ·Maximum active keys:
 ·RT1221: 32 function keys and 3 double action keys
 ·RT1222: 64 function keys and 3 double action keys


Pinout

Connection Diagram


Specifications

Symbol Parameter Conditions
Rating
Unit
VCC Supply Voltage  
6.0
V
VIN Input Voltage  
-0.3~VCC
V
Pd Power Dissiption  
250
mV
TSTR Storage Temperature  
-40~+150
TOP Operating Temperature  
-20~+70



Description

RT1221/RT1222 are remote control transmitter utilizing CMOS technology specially designed for infrared remote control applications. Maximum of 65536 customer codes are available by setting external diodes, resistors and internal MASK ROM. Using micro-processors for decoder can construct various powerful applications for remote control systems.




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