| Part Number | CH455 |
| Manufacturer | ETC |
| Title | LED drive and keyboard control chip |
| Description | Positive power, the persistent current is no less than 150mA Public ground, the persistent current is no less than 150mA Segment driver of LEDs, a... |
| Features |
● Set display current drive layer internally, the current of segment is no less than 25mA, the current of word is no less than 160mA. ● Display scan control dynamically, support 8×4 or 7×4, directly drive four bits number LED or thirty two LEDs. ● In... |
| Datasheet |
 CH455 Datasheet
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