Description
The devices are CMOS LSI encoders designed for use in remote control systems.
Features
- Operating voltage: 2.0V~3.6V.
- DOUT with 38kHz carrier for IR medium.
- Low standby current.
- Minimum transmission word: one word.
- Build-in RC (Internal RC) oscillator.
- 16-bit address codes.
- 8-bit data codes.
- PPM code method.
- Three double-active keys.
- Maximum active keys
- HT6220A: 6 keys (8SOP) or 30 keys (16NSOP) - HT6221A: 32 keys - HT6221B: 48 keys - HT6222A: 64 keys.
- Low power and high noise immunity CMOS technology.
- HT6220A: selecti.
HT6221B Datasheet
