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GN1650D

Public Made by Adom

by adom

GN Semic LED Drivers, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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GN1650D

GN Semic · LED Drivers · DIP-16

GN1650D from GN Semic, in a DIP-16. 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 DIG1 output LED digit-drive output, active low, which also serves as the keyboard-scan output (active high).
2 CLK input Clock input for the two-wire serial interface, with an internal pull-up resistor.
3 DIO bidirectional Data input/output for the two-wire serial interface, implemented as an internal pull-up open-drain.
4 GND power_in Ground.
5 DIG2 output LED digit-drive output, active low, which also serves as the keyboard-scan output (active high).
6 DIG3 output LED digit-drive output, active low, which also serves as the keyboard-scan output (active high).
7 DIG4 output LED digit-drive output, active low, which also serves as the keyboard-scan output (active high).
8 A/KI1 bidirectional LED segment-A drive output (active high) that also serves as keyboard-scan input KI1 (active high), with an internal pull-down.
9 B/KI2 bidirectional LED segment-B drive output (active high) that also serves as keyboard-scan input KI2 (active high), with an internal pull-down.
10 VDD power_in Supply pin, 3 V to 5.5 V; a 104 decoupling capacitor should be placed to ground as close as possible to the pin (under 2 cm).
11 C/KI3 bidirectional LED segment-C drive output (active high) that also serves as keyboard-scan input KI3 (active high), with an internal pull-down.
12 D/KI4 bidirectional LED segment-D drive output (active high) that also serves as keyboard-scan input KI4 (active high), with an internal pull-down.
13 E/KI5 bidirectional LED segment-E drive output (active high) that also serves as keyboard-scan input KI5 (active high), with an internal pull-down.
14 F/KI6 bidirectional LED segment-F drive output (active high) that also serves as keyboard-scan input KI6 (active high), with an internal pull-down.
15 G/KI7 bidirectional LED segment-G drive output (active high) that also serves as keyboard-scan input KI7 (active high), with an internal pull-down.
16 DP/KP output LED decimal-point segment output that also serves as the keyboard-flag output.

Key specifications

Parameter Value
Manufacturer GN Semic
Package DIP-16
Category LED Drivers
Pins 16

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 VDD -0.5 6.5 V 3
Input voltage VI1 -0.5 V 3
LED segment driver output current IO1 0 30 mA 3
LED digit driver output current IO2 0 150 mA 3
Total drive current of all pins IO 0 150 mA 3
Operating ambient temperature Tamb -40 85 ℃ 3
Storage temperature Tstg -55 125 ℃ 3
Soldering temperature (DIP) TL 245 ℃ 10 s, DIP 3
Supply voltage VDD 3 5 5.5 V 3
Supply current IC 0.2 80 230 mA 3
Standby current ICs 0.3 0.6 mA CLK, DIO, KP high 3
Sleep current ICslp 0.05 0.1 mA CLK, DIO, KP high 3
CLK and DIO low-level input voltage VIL -0.5 0.8 V 3
CLK and DIO high-level input voltage VIH 2 V 3
KI low-level input voltage VILki -0.5 0.5 V 4
KI high-level input voltage VIHki 1.8 V 4
DIG low-level output voltage VOLdig 1.2 V -200mA 4
DIG low-level output voltage VOLdig 0.8 V -100mA 4
DIG high-level output voltage VOHdig 4.5 V 50mA 4
KI low-level output voltage VOLki 0.5 V -20mA 4
KI high-level output voltage VOHki 4.5 V 20mA 4
Other pins low-level output voltage VOL 0.5 V -4mA 4
Other pins high-level output voltage VOH 4.5 V 4mA 4
KI input pull-down current IDN1 -30 -50 -90 uA 4
CLK input pull-up current IUP1 10 200 300 uA 4
DIO input pull-up current IUP2 150 300 400 uA 4
KP input pull-up current IUP3 500 2000 5000 uA 4
Power-on reset default voltage threshold VR 2.3 2.6 2.9 V 4
Power-on detection reset time TPR 10 25 60 ms 4
Display scan period TP 4 8 20 ms 4
Key scan interval, key response time TKS 20 40 80 ms 4
DIO falling-edge start condition setup time TSSTA 100 ns 4
DIO falling-edge start condition hold time THSTA 100 ns 4
DIO rising-edge stop condition setup time TSSTO 100 ns 4
DIO rising-edge stop condition hold time THSTO 100 ns 4
CLK low pulse width TCLOW 100 ns 4
CLK high pulse width TCHIG 100 ns 4
DIO input data setup time to CLK rising edge TSDA 30 ns 4
DIO input data hold time to CLK rising edge THDA 10 ns 4
DIO output data valid delay from CLK falling edge TAA 2 30 ns 4
DIO output data invalid delay from CLK falling edge TDH 2 40 ns 4
Average data transfer rate Rate 0 4 M bps 4

CAD (KiCad official)

  • Symbol: GN1650D
  • Footprint: Package_DIP:DIP-16_W7.62mm
  • 3D model: DIP-16 (KiCad packages3D, STEP)
  • 3D model files: gn1650d-etched.step / gn1650d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gn1650d.step / gn1650d.glb are the bare package body.

Provenance

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

  • Datasheet: GN Semic datasheet (10 pp, sha256 3880a7eaaae88a8f, 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