component
LM339D
Public Made by Adomby adom
Texas Instruments Comparators, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLM339D
Texas Instruments · Comparators · SOIC-14
LM339D from Texas Instruments, in a SOIC-14. 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 | OUT1 | output | Output pin of the comparator 2 |
| 2 | OUT2 | output | Output pin of the comparator 1 |
| 3 | VCC | power_in | Positive supply |
| 4 | IN2- | input | Negative input pin of the comparator 1 |
| 5 | IN2+ | input | Positive input pin of the comparator 1 |
| 6 | IN1- | input | Negative input pin of the comparator 2 |
| 7 | IN1+ | input | Positive input pin of the comparator 2 |
| 8 | IN3- | input | Negative input pin of the comparator 3 |
| 9 | IN3+ | input | Positive input pin of the comparator 3 |
| 10 | IN4- | input | Negative input pin of the comparator 4 |
| 11 | IN4+ | input | Positive input pin of the comparator 4 |
| 12 | GND | power_in | Negative supply |
| 13 | OUT4 | output | Output pin of the comparator 4 |
| 14 | OUT3 | output | Output pin of the comparator 3 |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
LM339D - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
lm339d-etched.step/lm339d-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm339d.step/lm339d.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (53 pp, sha256
6e8de667ed90907e, retrieved 2026-09-29, 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).