| Manufacturer | Part Number | Description |
|---|---|---|
| Zheng Electronics | HS2260A-R4 | Low-power CMOS |
| Tangzheng Electronics | HS2241PT | CMOS-made special codec chip |
| HANGZHOU ZHENGXIN MICRO-ELECTRONICS | LX2262 | LX2262 |
| Zheng Electronics | HS2260A | Low-power CMOS |
| Zheng Electronics | HS2260A-R6 | Low-power CMOS |
| Zheng Electronics | HS2260A-R2 | Low-power CMOS |
| HANGZHOU ZHENGXIN MICRO-ELECTRONICS | LX2272 | Remote control decoding circuit |
| Zheng Electronics | HS2260A-IR4 | Low-power CMOS |
| ZHENGXIN MICRO-ELECTRONICS | LX2260 | Encoder Circuit |