Overview
The HT1635B is a LED Display Driver made by Holtek Semicon in a LQFP-64(7x7) package with 64 pins. -40℃~+85℃ 2.4V~5.5V I²C LQFP-64(7x7) Digital Tube Drivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:HT1635B, from EasyEDA) and its footprint (Package_QFP:LQFP-64_7x7mm_P0.4mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C561319).
Symbol
Footprint
Parameters
3- Interface
- I²C
- Operating Temperature
- -40℃~+85℃
- Voltage - Supply
- 2.4V~5.5V
Order codes
1- HT1635BLCSC C561319
Pinout
64| Pin | Name | Type |
|---|---|---|
| 1 | ROW12 | Unspecified |
| 2 | ROW11 | Unspecified |
| 3 | ROW10 | Unspecified |
| 4 | ROW9 | Unspecified |
| 5 | ROW8 | Unspecified |
| 6 | VDD | Unspecified |
| 7 | ROW7 | Unspecified |
| 8 | ROW6 | Unspecified |
| 9 | ROW5 | Unspecified |
| 10 | ROW4 | Unspecified |
| 11 | ROW3 | Unspecified |
| 12 | ROW2 | Unspecified |
| 13 | ROW1 | Unspecified |
| 14 | ROW0 | Unspecified |
| 15 | VSS | Unspecified |
| 16 | OSC | Unspecified |
| 17 | SDA | Unspecified |
| 18 | SCL | Unspecified |
| 19 | A1 | Unspecified |
| 20 | A0 | Unspecified |
| 21 | SYNC | Unspecified |
| 22 | VDD | Unspecified |
| 23 | COM0 | Unspecified |
| 24 | VSS | Unspecified |
| 25 | COM1 | Unspecified |
| 26 | COM2 | Unspecified |
| 27 | COM3 | Unspecified |
| 28 | COM4 | Unspecified |
| 29 | COM5 | Unspecified |
| 30 | COM6 | Unspecified |
| 31 | COM7 | Unspecified |
| 32 | VSS | Unspecified |
| 33 | ROW43 | Unspecified |
| 34 | ROW42 | Unspecified |
| 35 | ROW41 | Unspecified |
| 36 | ROW40 | Unspecified |
| 37 | ROW39 | Unspecified |
| 38 | ROW38 | Unspecified |
| 39 | ROW37 | Unspecified |
| 40 | ROW36 | Unspecified |
| 41 | VDD | Unspecified |
| 42 | ROW35 | Unspecified |
| 43 | ROW34 | Unspecified |
| 44 | ROW33 | Unspecified |
| 45 | ROW32 | Unspecified |
| 46 | ROW31 | Unspecified |
| 47 | ROW30 | Unspecified |
| 48 | ROW29 | Unspecified |
| 49 | ROW28 | Unspecified |
| 50 | ROW27 | Unspecified |
| 51 | ROW26 | Unspecified |
| 52 | ROW25 | Unspecified |
| 53 | ROW24 | Unspecified |
| 54 | ROW23 | Unspecified |
| 55 | ROW22 | Unspecified |
| 56 | ROW21 | Unspecified |
| 57 | ROW20 | Unspecified |
| 58 | ROW19 | Unspecified |
| 59 | ROW18 | Unspecified |
| 60 | ROW17 | Unspecified |
| 61 | ROW16 | Unspecified |
| 62 | ROW15 | Unspecified |
| 63 | ROW14 | Unspecified |
| 64 | ROW13 | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/holtek-semicon/HT1635B" title="HT1635B in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/holtek-semicon/HT1635B.jpg" alt="HT1635B" width="1200" height="900">[](https://pcbkit.io/parts/holtek-semicon/HT1635B)Questions
Is there a KiCad symbol and footprint for the HT1635B?
Yes. The symbol is EasyEDA_Cloud:HT1635B and the footprint Package_QFP:LQFP-64_7x7mm_P0.4mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the HT1635B?
LQFP-64(7x7), with 64 pins. Its footprint is drawn on this page.
Where is the HT1635B datasheet?
Holtek Semicon publishes it: the Datasheet link on this page opens it.
Where can I order the HT1635B?
JLCPCB lists it as part C561319, with 0 in stock; the sellers' links on this page open their listings.