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SN74LS19ADR

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

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Symbol & Footprint

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Datasheet

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Contents

README

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SN74LS19ADR

Texas Instruments · Inverters · SOIC-14

SN74LS19ADR 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 1A input Schmitt-trigger inverter 1 input.
2 1Y output Totem-pole output of inverter 1 (Y = NOT A), rated IOH -400 µA and IOL 8 mA.
3 2A input Schmitt-trigger inverter 2 input.
4 2Y output Totem-pole output of inverter 2 (Y = NOT A), rated IOH -400 µA and IOL 8 mA.
5 3A input Schmitt-trigger inverter 3 input.
6 3Y output Totem-pole output of inverter 3 (Y = NOT A), rated IOH -400 µA and IOL 8 mA.
7 GND power_in Ground.
8 4Y output Totem-pole output of inverter 4 (Y = NOT A), rated IOH -400 µA and IOL 8 mA.
9 4A input Schmitt-trigger inverter 4 input.
10 5Y output Totem-pole output of inverter 5 (Y = NOT A), rated IOH -400 µA and IOL 8 mA.
11 5A input Schmitt-trigger inverter 5 input.
12 6Y output Totem-pole output of inverter 6 (Y = NOT A), rated IOH -400 µA and IOL 8 mA.
13 6A input Schmitt-trigger inverter 6 input.
14 VCC power_in Supply voltage, 4.75 V to 5.25 V recommended (7 V absolute maximum).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14
Category Logic
Pins 14

CAD (KiCad official)

  • Symbol: SN74LS19ADR
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: sn74ls19adr-etched.step / sn74ls19adr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ls19adr.step / sn74ls19adr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (15 pp, sha256 fc1675149d70aa92, retrieved 2026-10-08, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-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).

Datasheet PDF