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HT16C23A-64LQFP-7*7

Public Unreviewed

by Ray

Holtek Semicon LCD Drivers, LQFP-64(7x7). Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Symbol & Footprint

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Contents

README

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HT16C23A-64LQFP-7*7

Holtek Semicon · LCD Drivers · LQFP-64(7x7)

HT16C23A-64LQFP-7*7 from Holtek Semicon, in a LQFP-64(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VDD power_in Positive supply voltage, 2.4 V to 5.5 V.
2 SDA bidirectional I2C serial data input/output. Open-drain, Schmitt-trigger input; requires external pull-up. IOL >= 3 mA at VOL = 0.4 V.
3 SCL input I2C serial clock input, Schmitt-trigger. Supports up to 100 kHz (VDD 2.4-5.5 V) or 400 kHz (VDD 3.0-5.5 V).
4 VSS power_in Ground / negative supply reference (0 V).
5 COM0 output LCD common (backplane) driver output 0.
6 COM1 output LCD common (backplane) driver output 1.
7 COM2 output LCD common (backplane) driver output 2.
8 COM3 output LCD common (backplane) driver output 3.
9 COM4/SEG0 output Muxed LCD COM4 or SEG0 output. Function is selected by the LCD duty mode (1/8 duty uses it as COM4; 1/4 duty uses it as SEG0).
10 COM5/SEG1 output Muxed LCD COM5 or SEG1 output; function selected by LCD duty mode.
11 COM6/SEG2 output Muxed LCD COM6 or SEG2 output; function selected by LCD duty mode.
12 COM7/SEG3 output Muxed LCD COM7 or SEG3 output; function selected by LCD duty mode.
13 SEG4 output LCD segment driver output 4.
14 SEG5 output LCD segment driver output 5.
15 SEG6 output LCD segment driver output 6.
16 SEG7 output LCD segment driver output 7.
17 SEG8 output LCD segment driver output 8.
18 SEG9 output LCD segment driver output 9.
19 SEG10 output LCD segment driver output 10.
20 SEG11 output LCD segment driver output 11.
21 SEG12 output LCD segment driver output 12.
22 SEG13 output LCD segment driver output 13.
23 SEG14 output LCD segment driver output 14.
24 SEG15 output LCD segment driver output 15.
25 SEG16 output LCD segment driver output 16.
26 SEG17 output LCD segment driver output 17.
27 SEG18 output LCD segment driver output 18.
28 SEG19 output LCD segment driver output 19.
29 SEG20 output LCD segment driver output 20.
30 SEG21 output LCD segment driver output 21.
31 SEG22 output LCD segment driver output 22.
32 SEG23 output LCD segment driver output 23.
33 SEG24 output LCD segment driver output 24.
34 SEG25 output LCD segment driver output 25.
35 SEG26 output LCD segment driver output 26.
36 SEG27 output LCD segment driver output 27.
37 SEG28 output LCD segment driver output 28.
38 SEG29 output LCD segment driver output 29.
39 SEG30 output LCD segment driver output 30.
40 SEG31 output LCD segment driver output 31.
41 SEG32 output LCD segment driver output 32.
42 SEG33 output LCD segment driver output 33.
43 SEG34 output LCD segment driver output 34.
44 SEG35 output LCD segment driver output 35.
45 SEG36 output LCD segment driver output 36.
46 SEG37 output LCD segment driver output 37.
47 SEG38 output LCD segment driver output 38.
48 SEG39 output LCD segment driver output 39.
49 SEG40 output LCD segment driver output 40.
50 SEG41 output LCD segment driver output 41.
51 SEG42 output LCD segment driver output 42.
52 SEG43 output LCD segment driver output 43.
53 SEG44 output LCD segment driver output 44.
54 SEG45 output LCD segment driver output 45.
55 SEG46 output LCD segment driver output 46.
56 SEG47 output LCD segment driver output 47.
57 SEG48 output LCD segment driver output 48.
58 SEG49 output LCD segment driver output 49.
59 SEG50 output LCD segment driver output 50.
60 SEG51 output LCD segment driver output 51.
61 SEG52 output LCD segment driver output 52.
62 SEG53 output LCD segment driver output 53.
63 SEG54 output LCD segment driver output 54.
64 VLCD power_in LCD driver bias supply pin (2.4 V to 5.5 V). Note per datasheet page 3: on the 64 LQFP the internal VCCA2 pad is bonded to the VLCD pad, so VLCD also serves as the LCD bias generator supply.

Key specifications

Parameter Value
Manufacturer Holtek Semicon
Package LQFP-64(7x7)
Category LED Drivers
Pins 64

Ordering variants

Same part, different packaging or reel option.

  • HT16C23A-64LQFP-7*7G

CAD (KiCad official)

  • Symbol: HT16C23A-64LQFP-7*7
  • Footprint: Package_QFP:LQFP-64_7x7mm_P0.4mm
  • 3D model: LQFP-64(7x7) (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Holtek Semicon datasheet (34 pp, sha256 4d9f422c8148f4ca, retrieved 2026-08-17, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF