MS4553S

{
  "schema_version": 1,
  "type": "component",
  "slug": "ms4553s",
  "title": "MS4553S",
  "brief": "Hangzhou Ruimeng Tech Translators / Level Shifters, SOT-23-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "ms4553s"
  ],
  "component": {
    "mpn": "MS4553S",
    "manufacturer": "Hangzhou Ruimeng Tech",
    "package": "SOT-23-8",
    "pin_count": 8,
    "category": "Logic",
    "subcategory": "Translators / Level Shifters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a97ada5b06048a4bc198fdb25e204825.pdf",
    "parts": {
      "symbol": "ms4553s.kicad_sym",
      "footprint": "ms4553s.kicad_mod",
      "model_3d": "ms4553s-etched.glb",
      "model_3d_plain": "ms4553s.glb",
      "model_3d_step": "ms4553s-etched.step",
      "model_3d_step_plain": "ms4553s.step",
      "lbr": "ms4553s.lbr"
    },
    "distributor_links": {
      "lcsc": "C1509088"
    },
    "pins": [
      {
        "number": "1",
        "name": "VCCB",
        "type": "power_in",
        "description": "B-side supply voltage, 2.3 V ≤ VCCB ≤ 5.5 V. Sets the reference rail for the B-side I/O (B1, B2). Must satisfy VCCA ≤ VCCB."
      },
      {
        "number": "2",
        "name": "B1",
        "type": "bidirectional",
        "description": "B-side bidirectional I/O channel 1, referenced to VCCB. Paired with A1 (pin 7) for level translation. Supports open-drain and push-pull operation."
      },
      {
        "number": "3",
        "name": "B2",
        "type": "bidirectional",
        "description": "B-side bidirectional I/O channel 2, referenced to VCCB. Paired with A2 (pin 6) for level translation. Supports open-drain and push-pull operation."
      },
      {
        "number": "4",
        "name": "OE",
        "type": "input",
        "description": "Output enable, referenced to VCCA. Drive OE low to place all I/Os in Hi-Z; drive high (VIH ≥ VCCA×0.8) for normal translation. Should be tied to VCCA through a pull-up resistor to preserve Hi-Z during supply ramp."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device (0 V)."
      },
      {
        "number": "6",
        "name": "A2",
        "type": "bidirectional",
        "description": "A-side bidirectional I/O channel 2, referenced to VCCA. Paired with B2 (pin 3) for level translation. Supports open-drain and push-pull operation."
      },
      {
        "number": "7",
        "name": "A1",
        "type": "bidirectional",
        "description": "A-side bidirectional I/O channel 1, referenced to VCCA. Paired with B1 (pin 2) for level translation. Supports open-drain and push-pull operation."
      },
      {
        "number": "8",
        "name": "VCCA",
        "type": "power_in",
        "description": "A-side supply voltage, 1.65 V ≤ VCCA ≤ 5.5 V, with VCCA ≤ VCCB. Sets the reference rail for the A-side I/O (A1, A2) and the OE input threshold."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a97ada5b06048a4bc198fdb25e204825.pdf",
        "pages": 16,
        "sha256": "fc4ff4ffb6f9dcff",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.975
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-8@sha256:275a1c87693f8053",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ms4553s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b9dc5b435d49868df7491668d5322debfe5d699dbb41c2ad93a41518ec9b5007",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ms4553s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "84002472f61668f79d7a19ddb9b2efa2d4cfdce7072d9b9b881c579bc417f1e5",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Hangzhou Ruimeng Tech",
      "Package": "SOT-23-8",
      "Category": "Logic",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ms4553s"
  ],
  "discovery_pitch": "MS4553S (Hangzhou Ruimeng Tech) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ms4553s.kicad_sym",
    "ms4553s.kicad_mod",
    "ms4553s.glb",
    "ms4553s.step",
    "ms4553s-etched.step",
    "ms4553s.lbr",
    "docs/hero.png",
    "docs/ms4553s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MS4553S",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T02:22:14.488Z"
}