AT24C32E-SSHM-B

{
  "schema_version": 1,
  "type": "component",
  "slug": "at24c32e-sshm-b",
  "title": "AT24C32E-SSHM-B",
  "brief": "Microchip Tech EEPROM, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "at24c32e-sshm-b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AT24C32E-SSHM-B",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/67af2ded6af82a201146fb04ca60b82a.pdf",
    "parts": {
      "symbol": "at24c32e-sshm-b.kicad_sym",
      "footprint": "at24c32e-sshm-b.kicad_mod",
      "model_3d": "at24c32e-sshm-b-hero.glb",
      "model_3d_plain": "at24c32e-sshm-b-etched.glb",
      "model_3d_step": "at24c32e-sshm-b-etched.step",
      "model_3d_step_plain": "at24c32e-sshm-b.step",
      "lbr": "at24c32e-sshm-b.lbr"
    },
    "distributor_links": {
      "lcsc": "C615463",
      "digikey": "AT24C32E-SSHM-B-ND",
      "mouser": "556-AT24C32ESSHMB"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T19:33:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AT24C32E-SSHM-B-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-AT24C32ESSHMB",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Device address input hard-wired to GND or VCC for multi-device addressing (up to eight devices per bus); internally pulled down to GND if left unconnected."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Device address input hard-wired to GND or VCC for multi-device addressing (up to eight devices per bus); internally pulled down to GND if left unconnected."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Device address input hard-wired to GND or VCC for multi-device addressing (up to eight devices per bus); internally pulled down to GND if left unconnected."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the power supply, to be connected to system ground."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Open-drain bidirectional serial data pin requiring an external pull-up resistor not exceeding 10 kΩ, may be wire-ORed with other open-drain bus pins."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input that controls data flow; input data is latched on the rising edge and output data is clocked out on the falling edge, and it must be forced high or pulled high when the bus is idle."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write-protect input: at GND allows normal writes, at VCC inhibits all writes to the full array; internally pulled down to GND if left floating."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply pin, operating range 1.7V to 3.6V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 22,
        "cost_usd": 0.1138,
        "at": "2026-10-26T19:32:50"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/67af2ded6af82a201146fb04ca60b82a.pdf",
        "pages": 45,
        "sha256": "53e799ce2c91c1eb",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "at24c32e-sshm-b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24c32e-sshm-b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9557538f22737dca8514ce92b6ccba498f9981d68c13e5dc7adc13d4f1a9de9d",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-8",
      "Category": "Memory",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "8-Lead Plastic Small Outline (SN) - Narrow, 3.90 mm (.150 In.) Body [SOIC] © 2020 Microchip Technology Inc.",
        "page": 25,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "53e799ce2c91c1eb0c392ed12e358ddfdace333abe8becc68856ccbb12fcf236"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "53e799ce2c91c1eb0c392ed12e358ddfdace333abe8becc68856ccbb12fcf236",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VCC1",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (read)",
          "symbol": "ICC1",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.08,
          "max": 0.3,
          "conditions": "VCC = 1.8V, Read at 400 kHz",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (read)",
          "symbol": "ICC1",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.15,
          "max": 0.5,
          "conditions": "VCC = 3.6V, Read at 1 MHz",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (write)",
          "symbol": "ICC2",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.2,
          "max": 1,
          "conditions": "VCC = 3.6V, Write at 1 MHz",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Standby Current",
          "symbol": "ISB",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.08,
          "max": 0.4,
          "conditions": "VCC = 1.8V, VIN = VCC or GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Standby Current",
          "symbol": "ISB",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 0.8,
          "conditions": "VCC = 3.6V; VIN = VCC or GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input Leakage Current",
          "symbol": "ILI",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 3,
          "conditions": "VIN = VCC or GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current",
          "symbol": "ILO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.05,
          "max": 3,
          "conditions": "VOUT = VCC or GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input Low Level",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.6,
          "typ": null,
          "max": 0.3,
          "conditions": "Note 2; max is VCC x 0.3",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input High Level",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": null,
          "max": 0.5,
          "conditions": "Note 2; min is VCC x 0.7, max is VCC + 0.5",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output Low Level",
          "symbol": "VOL1",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "VCC = 1.8V, IOL = 0.15 mA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output Low Level",
          "symbol": "VOL2",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VCC = 3.0V, IOL = 2.1 mA",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Clock Frequency, SCL (Standard)",
          "symbol": "fSCL",
          "kind": "timing",
          "unit": "kHz",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCC = 1.7V to 3.6V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Clock Frequency, SCL (Fast)",
          "symbol": "fSCL",
          "kind": "timing",
          "unit": "kHz",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "VCC = 1.7V to 3.6V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Clock Frequency, SCL (FM+)",
          "symbol": "fSCL",
          "kind": "timing",
          "unit": "kHz",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "VCC = 2.5V to 3.6V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Write Cycle Time",
          "symbol": "tWR",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Power-up time before commands",
          "symbol": "tPUP",
          "kind": "timing",
          "unit": "µs",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Power-on Reset Threshold Voltage",
          "symbol": "VPOR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Min time at VCC = 0V between power cycles",
          "symbol": "tPOFF",
          "kind": "timing",
          "unit": "ms",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Input/Output Capacitance (SDA)",
          "symbol": "CI/O",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "VI/O = 0V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance (A0, A1, A2 and SCL)",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "VIN = 0V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Write Endurance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Write Cycles",
          "min": 1000000,
          "typ": null,
          "max": null,
          "conditions": "TA = 25°C, VCC (min.) < VCC < VCC (max.), Byte or Page Write mode",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Data Retention",
          "symbol": "",
          "kind": "electrical",
          "unit": "Years",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "TA = 55°C",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (operating)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": 3.6,
          "conditions": "Low-Voltage Grade",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature (Case)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Industrial Temperature Range",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Temperature under bias",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "VCC",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4.1,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any pin with respect to ground",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 4.1,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "DC output current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "at24c32e-sshm-b"
  ],
  "discovery_pitch": "AT24C32E-SSHM-B (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c32e-sshm-b.kicad_sym",
    "at24c32e-sshm-b.kicad_mod",
    "at24c32e-sshm-b.glb",
    "at24c32e-sshm-b.step",
    "at24c32e-sshm-b.lbr",
    "docs/hero.png",
    "docs/at24c32e-sshm-b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24c32e-sshm-b-hero.glb",
    "at24c32e-sshm-b-hero.overlay.json",
    "at24c32e-sshm-b-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}