component
LM339-TD
Public Made by Adomby adom
TDSEMIC Comparators, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownLM339-TD
TDSEMIC · Comparators · SOP-14
LM339-TD from TDSEMIC, in a SOP-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 | OUT2 | output | Output of comparator 2; datasheet gives a 50 mA output current rating (ISC). |
| 2 | OUT1 | output | Output of comparator 1; datasheet gives a 50 mA output current rating (ISC). |
| 3 | VCC | power_in | Positive supply; absolute maximum 36 V single supply or ±18 V dual supply. |
| 4 | IN1- | input | Inverting input of comparator 1; common-mode range -0.3 V to Vcc, differential voltage up to 36 V. |
| 5 | IN1+ | input | Non-inverting input of comparator 1; common-mode range -0.3 V to Vcc, differential voltage up to 36 V. |
| 6 | IN2- | input | Inverting input of comparator 2; common-mode range -0.3 V to Vcc, differential voltage up to 36 V. |
| 7 | IN2+ | input | Non-inverting input of comparator 2; common-mode range -0.3 V to Vcc, differential voltage up to 36 V. |
| 8 | IN3- | input | Inverting input of comparator 3; common-mode range -0.3 V to Vcc, differential voltage up to 36 V. |
| 9 | IN3+ | input | Non-inverting input of comparator 3; common-mode range -0.3 V to Vcc, differential voltage up to 36 V. |
| 10 | IN4- | input | Inverting input of comparator 4; common-mode range -0.3 V to Vcc, differential voltage up to 36 V. |
| 11 | IN4+ | input | Non-inverting input of comparator 4; common-mode range -0.3 V to Vcc, differential voltage up to 36 V. |
| 12 | GND | power_in | Ground (negative supply) pin. |
| 13 | OUT4 | output | Output of comparator 4; datasheet gives a 50 mA output current rating (ISC). |
| 14 | OUT3 | output | Output of comparator 3; datasheet gives a 50 mA output current rating (ISC). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TDSEMIC |
| Package | SOP-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
LM339-TD - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOP-14 (KiCad packages3D, STEP)
- 3D model files:
lm339-td-etched.step/lm339-td-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm339-td.step/lm339-td.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TDSEMIC datasheet (10 pp, sha256
a35bee992a92f8e3, 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, primaryclaude-sonnet-5-5(vision), consensusclaude-opus-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).