| Manufacturer | Part Number | Description |
|---|---|---|
| ECN | ATT7021 | ATT7021 |
Hi-TrendTechnology
| ATT7021 | Single-phase electronic power metering chip |
AS
| ATT7021 | Single Phase Energy Metering IC |
Hi-Trend Technology
| ATT7021C | User Manual |
|
Hi-Trend Technology
| ATT7021B | User Manual |
