| PartNumber | Vcc(Min.)[V] | Vcc(Max.)[V] | Sensor input channels | LED control channels | Interface | Matrix key | Operating Temperature (Min.)[掳C] | Operating Temperature (Max.)[掳C] | Package |
|---|---|---|---|---|---|---|---|---|---|
| BU21077MUV | 2.7 | 5.5 | 8 | - | I2C | Variable | -20 | 85 | VQFN020V4040 |
| BU21072MUV | 3 | 5.5 | 10 | 6 | I2C | 4 x 4 | -20 | 85 | VQFN024V4040 |
| BU21078FV | 3 | 5.5 | 12 | 8 | I2C | 6 x 6 | -20 | 85 | SSOP-B28 |
| BU21078MUV | 3 | 5.5 | 12 | 8 | I2C | 6 x 6 | -20 | 85 | VQFN028V5050 |
| BU21079F | 3 | 5.5 | 8 | - | I2C | 4 x 4 | -25 | 85 | SOP16 |
