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Contents

README

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SN74LS19ANSR

Texas Instruments · Inverters · SOIC-14-208mil

SN74LS19ANSR from Texas Instruments, in a SOIC-14-208mil. 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; input voltage max 7 V.
2 1Y output Inverter 1 totem-pole output; recommended IOH -400 µA max, IOL 8 mA max.
3 2A input Schmitt-trigger inverter 2 input; input voltage max 7 V.
4 2Y output Inverter 2 totem-pole output; recommended IOH -400 µA max, IOL 8 mA max.
5 3A input Schmitt-trigger inverter 3 input; input voltage max 7 V.
6 3Y output Inverter 3 totem-pole output; recommended IOH -400 µA max, IOL 8 mA max.
7 GND power_in Ground reference for the device.
8 4Y output Inverter 4 totem-pole output; recommended IOH -400 µA max, IOL 8 mA max.
9 4A input Schmitt-trigger inverter 4 input; input voltage max 7 V.
10 5Y output Inverter 5 totem-pole output; recommended IOH -400 µA max, IOL 8 mA max.
11 5A input Schmitt-trigger inverter 5 input; input voltage max 7 V.
12 6Y output Inverter 6 totem-pole output; recommended IOH -400 µA max, IOL 8 mA max.
13 6A input Schmitt-trigger inverter 6 input; input voltage max 7 V.
14 VCC power_in Supply voltage, recommended 4.75 V to 5.25 V (5 V nominal), absolute max 7 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14-208mil
Category Logic
Pins 14

CAD (KiCad official)

  • Symbol: SN74LS19ANSR
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14-208mil (KiCad packages3D, STEP)
  • 3D model files: sn74ls19ansr-etched.step / sn74ls19ansr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ls19ansr.step / sn74ls19ansr.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: lcsc)
  • 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