component

LM339AM

Public Made by Adom

by adom

Texas Instruments Comparators, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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package.json lm339am: LCSC part number C354088 (was published as the bare integer) · Ray 37m ago
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LM339AM

Texas Instruments · Comparators · SOIC-14

LM339AM 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 OUTPUT2 output Comparator output for channel 2, compatible with TTL/CMOS logic.
2 OUTPUT1 output Comparator output for channel 1, compatible with TTL/CMOS logic.
3 V+ power_in Positive power supply voltage, 2 to 36 VDC for LM339.
4 INPUT1- input Inverting (negative) input terminal for channel 1 comparator.
5 INPUT1+ input Noninverting (positive) input terminal for channel 1 comparator, common-mode voltage range includes ground.
6 INPUT2- input Inverting (negative) input terminal for channel 2 comparator.
7 INPUT2+ input Noninverting (positive) input terminal for channel 2 comparator, common-mode voltage range includes ground.
8 INPUT3- input Inverting (negative) input terminal for channel 3 comparator.
9 INPUT3+ input Noninverting (positive) input terminal for channel 3 comparator, common-mode voltage range includes ground.
10 INPUT4- input Inverting (negative) input terminal for channel 4 comparator.
11 INPUT4+ input Noninverting (positive) input terminal for channel 4 comparator, common-mode voltage range includes ground.
12 GND power_in Ground connection, negative power supply or reference.
13 OUTPUT4 output Comparator output for channel 4, compatible with TTL/CMOS logic.
14 OUTPUT3 output Comparator output for channel 3, compatible with TTL/CMOS logic.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14
Category Amplifiers/Comparators
Pins 14

CAD (KiCad official)

  • Symbol: LM339AM
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: lm339am-etched.step / lm339am-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm339am.step / lm339am.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (33 pp, sha256 34bad127017f9658, retrieved 2026-10-05, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (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