MCP23008

@@ -1,8 +1,11 @@ {+  "schema_version": 1,+  "type": "component",   "slug": "mcp23008",+  "title": "MCP23008",+  "brief": "Microchip 8-bit I2C I/O expander, SOIC-18W. Eight I/O with interrupt output, three address pins, 1.8-5.5 V. Datasheet-verified.",   "version": "0.1.0",-  "type": "component",-  "description": "Microchip 8-bit I2C I/O expander, SOIC-18W. Eight I/O with interrupt output, three address pins, 1.8-5.5 V. Datasheet-verified.",+  "license": "CC-BY-SA-4.0",   "tags": [     "component",     "interface",@@ -12,6 +15,183 @@     "soic-18",     "microchip"   ],+  "component": {+    "mpn": "MCP23008",+    "manufacturer": "Microchip",+    "package": "SOIC-18W",+    "pin_count": 18,+    "category": "Interface",+    "subcategory": "I2C I/O expander",+    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/MCP23008-MCP23S08-Data-Sheet-20001919F.pdf",+    "parts": {+      "symbol": "mcp23008.kicad_sym",+      "footprint": "mcp23008.kicad_mod",+      "model_3d": "mcp23008.glb",+      "model_3d_step": "mcp23008.step",+      "lbr": "mcp23008.lbr"+    },+    "distributor_links": {},+    "pins": [+      {+        "number": "1",+        "name": "SCL",+        "type": "input",+        "description": "I2C serial clock input. Supports Standard-mode (100 kHz), Fast-mode (400 kHz) and High-speed mode (1.7 MHz). Requires an external pull-up resistor to VDD."+      },+      {+        "number": "2",+        "name": "SDA",+        "type": "bidirectional",+        "description": "I2C serial data (open-drain, bidirectional). Requires an external pull-up resistor to VDD."+      },+      {+        "number": "3",+        "name": "A2",+        "type": "input",+        "description": "Hardware address input bit 2. Sets the upper I2C slave-address bit of the MCP23008 (base address 0100 A2 A1 A0). Must be biased externally to VDD or VSS."+      },+      {+        "number": "4",+        "name": "A1",+        "type": "input",+        "description": "Hardware address input bit 1. Must be biased externally to VDD or VSS."+      },+      {+        "number": "5",+        "name": "A0",+        "type": "input",+        "description": "Hardware address input bit 0. Must be biased externally to VDD or VSS."+      },+      {+        "number": "6",+        "name": "RESET",+        "type": "input",+        "description": "External active-low reset input. Drive low to reset the device; hold high (or tie to VDD) for normal operation."+      },+      {+        "number": "7",+        "name": "NC",+        "type": "unconnected",+        "description": "No connect on the MCP23008 (this pin is the SPI chip-select CS on the MCP23S08 variant). Leave floating or tie to VDD/VSS."+      },+      {+        "number": "8",+        "name": "INT",+        "type": "output",+        "description": "Interrupt output. Configurable as active-high, active-low, or open-drain via the IOCON register. Asserted on GPIO input change or mismatch vs DEFVAL."+      },+      {+        "number": "9",+        "name": "VSS",+        "type": "power_in",+        "description": "Ground reference (0 V)."+      },+      {+        "number": "10",+        "name": "GP0",+        "type": "bidirectional",+        "description": "General-purpose bidirectional I/O bit 0. Individually configurable as input or output; supports interrupt-on-change and an internal weak pull-up to VDD."+      },+      {+        "number": "11",+        "name": "GP1",+        "type": "bidirectional",+        "description": "General-purpose bidirectional I/O bit 1. Interrupt-on-change and internal weak pull-up available."+      },+      {+        "number": "12",+        "name": "GP2",+        "type": "bidirectional",+        "description": "General-purpose bidirectional I/O bit 2. Interrupt-on-change and internal weak pull-up available."+      },+      {+        "number": "13",+        "name": "GP3",+        "type": "bidirectional",+        "description": "General-purpose bidirectional I/O bit 3. Interrupt-on-change and internal weak pull-up available."+      },+      {+        "number": "14",+        "name": "GP4",+        "type": "bidirectional",+        "description": "General-purpose bidirectional I/O bit 4. Interrupt-on-change and internal weak pull-up available."+      },+      {+        "number": "15",+        "name": "GP5",+        "type": "bidirectional",+        "description": "General-purpose bidirectional I/O bit 5. Interrupt-on-change and internal weak pull-up available."+      },+      {+        "number": "16",+        "name": "GP6",+        "type": "bidirectional",+        "description": "General-purpose bidirectional I/O bit 6. Interrupt-on-change and internal weak pull-up available."+      },+      {+        "number": "17",+        "name": "GP7",+        "type": "bidirectional",+        "description": "General-purpose bidirectional I/O bit 7. Interrupt-on-change and internal weak pull-up available."+      },+      {+        "number": "18",+        "name": "VDD",+        "type": "power_in",+        "description": "Supply voltage. Operating range 1.8 V to 5.5 V (I2C speed derated at lower voltages: 100 kHz min at 1.8 V, 400 kHz at 2.7 V, 1.7 MHz at 4.5 V). Decouple to VSS with a 0.1 \u00b5F ceramic near the pin."+      }+    ],+    "provenance": {+      "extractor": "ds2sf",+      "datasheet": {+        "url": "https://ww1.microchip.com/downloads/en/DeviceDoc/MCP23008-MCP23S08-Data-Sheet-20001919F.pdf",+        "pages": 43,+        "sha256": "3516fba5df6da78c",+        "source_tier": "mfr"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 18,+        "described": 18,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    }+  },+  "metadata": {+    "specs": {+      "Type": "8-bit I2C I/O expander",+      "Interface": "I2C (up to 1.7 MHz)",+      "I/O": "8 pins (GP0-GP7), input or output",+      "Interrupt": "INT output, interrupt-on-change per pin",+      "Addresses": "8 (A0-A2)",+      "Pull-ups": "Software-enabled per pin (100 k\u03a9)",+      "Supply": "1.8-5.5 V",+      "Package": "SOIC-18W (300 mil)"+    }+  },+  "sections": [+    "hero",+    "viewers",+    "readme",+    "breadcrumbs",+    "info"+  ],+  "discovery_triggers": [+    "mcp23008",+    "8-bit io expander",+    "i2c gpio expander",+    "add 8 gpio over i2c"+  ],+  "discovery_pitch": "Microchip MCP23008 8-bit I2C I/O expander (SOIC-18W) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  },   "dependencies": {},   "hero": {     "type": "image",@@ -29,10 +209,5 @@     "docs/mcp23008-datasheet.pdf",     "viewers/symbol.html",     "viewers/footprint.html"-  ],-  "visibility": "public",-  "author": {-    "name": "Ray",-    "email": "[email protected]"-  }+  ] }\ No newline at end of file