Texas Instruments SN74HCT157DR

{
  "title": "Texas Instruments SN74HCT157DR",
  "brief": "Quad 2-to-1 data selector/multiplexer, HCT (TTL-compatible inputs, 5 V), SOIC-16.",
  "type": "hardware",
  "kind": "component",
  "version": "0.1.0",
  "license": "CC-BY-4.0",
  "visibility": {
    "public": true
  },
  "hero": {
    "type": "image",
    "path": "screenshots/hero.png"
  },
  "component": {
    "mpn": "SN74HCT157DR",
    "manufacturer": "Texas Instruments",
    "category": "ic",
    "subcategory": "Logic: quad 2:1 multiplexer (HCT)",
    "package": "SOIC-16 (D), 3.9 x 9.9 mm, 1.27 mm pitch",
    "description": "Quad 2-to-1 data selector/multiplexer, HCT (TTL-compatible inputs, 5 V), SOIC-16.",
    "pin_count": 16,
    "parts": {
      "footprint": "sn74hct157dr.kicad_mod",
      "step": "sn74hct157dr.step",
      "model_3d_step": "sn74hct157dr.step",
      "symbol": "sn74hct157dr.kicad_sym",
      "lbr": "sn74hct157dr.lbr"
    },
    "distributor_links": {
      "digikey": {
        "part": "296-31835-2-ND",
        "url": "https://www.digikey.com/en/products/detail/texas-instruments/SN74HCT157DR/1571485"
      },
      "mouser": {
        "part": "595-SN74HCT157DR",
        "url": "https://www.mouser.com/ProductDetail/595-SN74HCT157DR"
      },
      "lcsc": {
        "part": "C6771",
        "url": "https://www.lcsc.com/product-detail/C6771.html"
      }
    },
    "distributor_note": "Distributor numbers and stock from the LEDster-TI BOM, checked 2026-11-02: DigiKey 296-31835-2-ND (stock 10050), Mouser 595-SN74HCT157DR (stock 5165), LCSC C6771 (stock 2607).",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74hct157.pdf"
  },
  "tags": [
    "component",
    "ic",
    "texas-instruments",
    "soic-16",
    "logic"
  ],
  "discovery_triggers": [
    "SN74HCT157DR footprint",
    "SN74HCT157DR 3D model",
    "SN74HCT157DR KiCad Fusion library part"
  ],
  "source": {
    "tool": "kicad",
    "url": "https://gitlab.com/kicad/libraries/kicad-footprints/-/raw/master/Package_SO.pretty/SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod"
  }
}