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XL74LS27

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

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XL74LS27

XINLUDA · Gates · SOIC-14

XL74LS27 from XINLUDA, 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 Gate 1 input A of the 3-input NOR gate, with VIH min 2 V, VIL max 0.8 V and 7 V absolute maximum input voltage.
2 1B input Gate 1 input B of the 3-input NOR gate, with VIH min 2 V, VIL max 0.8 V and 7 V absolute maximum input voltage.
3 2A input Gate 2 input A of the 3-input NOR gate, with VIH min 2 V, VIL max 0.8 V and 7 V absolute maximum input voltage.
4 2B input Gate 2 input B of the 3-input NOR gate, with VIH min 2 V, VIL max 0.8 V and 7 V absolute maximum input voltage.
5 2C input Gate 2 input C of the 3-input NOR gate, with VIH min 2 V, VIL max 0.8 V and 7 V absolute maximum input voltage.
6 2Y output Gate 2 NOR output, rated for IOH -0.4 mA and IOL 8 mA.
7 GND power_in Ground reference for the device; all voltage values are with respect to this network ground terminal.
8 3Y output Gate 3 NOR output, rated for IOH -0.4 mA and IOL 8 mA.
9 3A input Gate 3 input A of the 3-input NOR gate, with VIH min 2 V, VIL max 0.8 V and 7 V absolute maximum input voltage.
10 3B input Gate 3 input B of the 3-input NOR gate, with VIH min 2 V, VIL max 0.8 V and 7 V absolute maximum input voltage.
11 3C input Gate 3 input C of the 3-input NOR gate, with VIH min 2 V, VIL max 0.8 V and 7 V absolute maximum input voltage.
12 1Y output Gate 1 NOR output, rated for IOH -0.4 mA and IOL 8 mA.
13 1C input Gate 1 input C of the 3-input NOR gate, with VIH min 2 V, VIL max 0.8 V and 7 V absolute maximum input voltage.
14 VCC power_in Positive supply pin, recommended 4.75 V to 5.25 V (5 V nominal) with 7 V absolute maximum.

Key specifications

Parameter Value
Manufacturer XINLUDA
Package SOIC-14
Category Logic ICs
Pins 14

CAD (KiCad official)

  • Symbol: XL74LS27
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: xl74ls27-etched.step / xl74ls27-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); xl74ls27.step / xl74ls27.glb are the bare package body.

Provenance

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

  • Datasheet: XINLUDA datasheet (6 pp, sha256 9157631339d69233, retrieved 2026-10-27, 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