GENERAL DESCRIPTION
The SM5021A/B is a high performance infrared remote control encoder utilizing CMOS technology. Mode A is a signal-key control and mode B is a multi-key control during data transmission, supports eight data key inputs and a LED output to indicate the status during transmission.

FEATURES
* Wide operation voltage range, 2.4V to 6V
* Eight data key control
* Option of signal-key or multi-key control
* Two custom codes to separate products
* Auto power off for saving power
* LED output to indicate transmission status
* Direct infrared LED 38KHz modulation output
* Low power consumption
* Paired with SM5032 decoder
* 16 pin DIP or SO package