HT6221B
HT6221B is Multi-Purpose Encoders manufactured by Holtek Semiconductor.
HT6220A/HT6221A/HT6221B/HT6222A Multi-Purpose Encoders
Note that the HT6221B device, although mentioned in this datasheet, have already been phased out and are presently no longer available.
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: selection of 16-pin NSOP or 8-pin SOP package
HT6221A/...
