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GN1623L100

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GN Semic LCD Drivers, LQFP-100. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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GN1623L100

GN Semic · LCD Drivers · LQFP-100

GN1623L100 from GN Semic, in a LQFP-100. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 CS input Chip select with internal pull-up; the communication interface is enabled when this pin is low.
2 RD input Serial read control input with internal pull-up; data is output on the falling edge.
3 WR input Serial write control input with internal pull-up; input data is latched on the rising edge.
4 DATA bidirectional Serial data input/output port with internal pull-up.
5 VSS power_in Ground (地).
6 OSCI input Leave floating when using the internal clock; with an external clock it can be driven by a clock signal or connected to a 32.768 kHz crystal between OSCI and OSCO.
7 OSCO output When an external crystal is used, connect a 32.768 kHz crystal between OSCI and OSCO.
8 VDD power_in Positive supply; the operating voltage range is 2.7 V to 5.5 V.
9 VLCD input LCD operating voltage input; the LCD operating voltage is adjusted through this pin.
10 IRQ output Time-base or WDT overflow output using an NMOS open-drain structure.
11 BZ output Buzzer drive output providing a 2 kHz or 4 kHz frequency signal to drive a buzzer directly.
12 BZ output Second buzzer drive output of the BZ/BZ pair providing a 2 kHz or 4 kHz frequency signal to drive a buzzer directly.
13 T1 input Marked as not connected (不连接) in the pin table; no function is assigned.
14 T2 input Marked as not connected (不连接) in the pin table; no function is assigned.
15 T3 input Marked as not connected (不连接) in the pin table; no function is assigned.
16 COM0 output LCD common driver output COM0.
17 COM1 output LCD common driver output COM1.
18 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
19 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
20 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
21 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
22 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
23 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
24 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
25 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
26 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
27 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
28 COM2 output LCD common driver output COM2.
29 COM3 output LCD common driver output COM3.
30 COM4 output LCD common driver output COM4.
31 COM5 output LCD common driver output COM5.
32 COM6 output LCD common driver output COM6.
33 COM7 output LCD common driver output COM7.
34 SEG0 output LCD segment driver output SEG0.
35 SEG1 output LCD segment driver output SEG1.
36 SEG2 output LCD segment driver output SEG2.
37 SEG3 output LCD segment driver output SEG3.
38 SEG4 output LCD segment driver output SEG4.
39 SEG5 output LCD segment driver output SEG5.
40 SEG6 output LCD segment driver output SEG6.
41 SEG7 output LCD segment driver output SEG7.
42 SEG8 output LCD segment driver output SEG8.
43 SEG9 output LCD segment driver output SEG9.
44 SEG10 output LCD segment driver output SEG10.
45 SEG11 output LCD segment driver output SEG11.
46 SEG12 output LCD segment driver output SEG12.
47 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
48 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
49 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
50 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
51 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
52 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
53 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
54 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
55 SEG13 output LCD segment driver output SEG13.
56 SEG14 output LCD segment driver output SEG14.
57 SEG15 output LCD segment driver output SEG15.
58 SEG16 output LCD segment driver output SEG16.
59 SEG17 output LCD segment driver output SEG17.
60 SEG18 output LCD segment driver output SEG18.
61 SEG19 output LCD segment driver output SEG19.
62 SEG20 output LCD segment driver output SEG20.
63 SEG21 output LCD segment driver output SEG21.
64 SEG22 output LCD segment driver output SEG22.
65 SEG23 output LCD segment driver output SEG23.
66 SEG24 output LCD segment driver output SEG24.
67 SEG25 output LCD segment driver output SEG25.
68 SEG26 output LCD segment driver output SEG26.
69 SEG27 output LCD segment driver output SEG27.
70 SEG28 output LCD segment driver output SEG28.
71 SEG29 output LCD segment driver output SEG29.
72 SEG30 output LCD segment driver output SEG30.
73 SEG31 output LCD segment driver output SEG31.
74 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
75 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
76 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
77 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
78 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
79 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
80 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
81 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
82 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
83 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.
84 SEG32 output LCD segment driver output SEG32.
85 SEG33 output LCD segment driver output SEG33.
86 SEG34 output LCD segment driver output SEG34.
87 SEG35 output LCD segment driver output SEG35.
88 SEG36 output LCD segment driver output SEG36.
89 SEG37 output LCD segment driver output SEG37.
90 SEG38 output LCD segment driver output SEG38.
91 SEG39 output LCD segment driver output SEG39.
92 SEG40 output LCD segment driver output SEG40.
93 SEG41 output LCD segment driver output SEG41.
94 SEG42 output LCD segment driver output SEG42.
95 SEG43 output LCD segment driver output SEG43.
96 SEG44 output LCD segment driver output SEG44.
97 SEG45 output LCD segment driver output SEG45.
98 SEG46 output LCD segment driver output SEG46.
99 SEG47 output LCD segment driver output SEG47.
100 NC unconnected Marked NC in the LQFP100 pin diagram; no function is assigned.

Key specifications

Parameter Value
Manufacturer GN Semic
Package LQFP-100
Category LED Drivers
Pins 100

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage (absolute maximum) VDD -0.3 7 V 5
Operating temperature (ambient) Tamb -40 105 °C 5
Storage temperature Tstg -50 125 °C 5
Soldering temperature (LQFP) TL 260 °C 10 s 5
Operating voltage VDD 2.7 5.5 V 6
System clock (internal RC oscillator) fSYS1 24 32 40 kHz 5V, internal RC oscillator 7
System clock (external clock source) fSYS2 32 kHz external clock source 7
LCD frame frequency (internal RC oscillator) fLCD1 70 85 100 Hz 5V, internal RC oscillator 7
LCD frame frequency (external clock source) fLCD2 85 Hz external clock source 7
Serial data clock (WR) fCLK1 150 kHz 3V, duty cycle 50% 7
Serial data clock (WR) fCLK1 300 kHz 5V, duty cycle 50% 7
Serial data clock (RD) fCLK2 75 kHz 3V, duty cycle 50% 7
Serial data clock (RD) fCLK2 150 kHz 5V, duty cycle 50% 7
WR input pulse width (write mode) tCLK 3.34 125 us 3V, write mode 7
RD input pulse width (read mode) tCLK 6.67 us 3V, read mode 7
WR input pulse width (write mode) tCLK 1.67 125 us 5V, write mode 7
RD input pulse width (read mode) tCLK 3.34 us 5V, read mode 7
Serial data clock rise/fall time tr,tf 120 160 ns Figure 1 7
Serial data to WR/RD clock setup time tsu 60 120 ns Figure 2 7
Serial data to WR/RD clock hold time th 1000 1200 ns Figure 2 7
CS to WR/RD clock setup time tsu1 500 600 ns Figure 3 7
CS to WR/RD clock hold time th1 1000 1200 ns Figure 3 7
Serial interface reset pulse width tCS 700 800 ns CS 7
Buzzer frequency (2 kHz setting) fTONE 1.5 2 2.5 kHz 5V, internal RC oscillator 7
Buzzer frequency (4 kHz setting) fTONE 3 4 5 kHz 7
VDD OFF time tOFF 20 ms VDD falls to 0 V 7
VDD rise slew rate tSR 0.05 V/ms 7
Reset delay time tRSTD 1 ms 7
Pull-up resistance (DATA, WR, CS, RD) 100 200 300 kΩ 3V, DATA, WR, CS, RD 6
Pull-up resistance (DATA, WR, CS, RD) 50 100 150 kΩ 5V, DATA, WR, CS, RD 6

CAD (KiCad official)

  • Symbol: GN1623L100
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100 (KiCad packages3D, STEP)
  • 3D model files: gn1623l100-etched.step / gn1623l100-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gn1623l100.step / gn1623l100.glb are the bare package body.

Provenance

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

  • Datasheet: GN Semic datasheet (14 pp, sha256 459b989e3fa16ff2, retrieved 2026-10-18, 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: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF