← Commit history

component page: CAD + datasheet-first provenance

Ray ·5bf69883f0 · ·parent 8eb06b5
1 file changed +194−8
page.json+194−8
@@ -1,8 +1,11 @@ {+  "schema_version": 1,+  "type": "component",   "slug": "sn74hc373",+  "title": "SN74HC373",+  "brief": "TI octal transparent D latch with 3-state outputs, SOIC-20. Latch-enable + output-enable, 2-6 V. Datasheet-verified.",   "version": "0.1.0",-  "type": "component",-  "description": "TI octal transparent D latch with 3-state outputs, SOIC-20. Latch-enable + output-enable, 2-6 V. Datasheet-verified.",+  "license": "CC-BY-SA-4.0",   "tags": [     "component",     "logic",@@ -12,6 +15,194 @@     "soic-20",     "texas-instruments"   ],+  "component": {+    "mpn": "SN74HC373",+    "manufacturer": "Texas Instruments",+    "package": "SOIC-20",+    "pin_count": 20,+    "category": "Logic IC",+    "subcategory": "Octal transparent D latch (3-state)",+    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74hc373.pdf",+    "parts": {+      "symbol": "sn74hc373.kicad_sym",+      "footprint": "sn74hc373.kicad_mod",+      "model_3d": "sn74hc373.glb"+    },+    "distributor_links": {},+    "pins": [+      {+        "number": "1",+        "name": "OE",+        "type": "input",+        "description": "Active-low output enable. When low, the Q outputs are actively driven; when high, all Q outputs are placed in the high-impedance (3-state) state. Does not affect the stored latch state."+      },+      {+        "number": "2",+        "name": "1Q",+        "type": "tri_state",+        "description": "3-state output for latch channel 1. Drives \u00b16 mA at 5 V; enters Hi-Z when OE is high."+      },+      {+        "number": "3",+        "name": "1D",+        "type": "input",+        "description": "Data input for latch channel 1. Passes to 1Q while LE is high; captured on LE falling edge."+      },+      {+        "number": "4",+        "name": "2D",+        "type": "input",+        "description": "Data input for latch channel 2. Passes to 2Q while LE is high; captured on LE falling edge."+      },+      {+        "number": "5",+        "name": "2Q",+        "type": "tri_state",+        "description": "3-state output for latch channel 2. Drives \u00b16 mA at 5 V; enters Hi-Z when OE is high."+      },+      {+        "number": "6",+        "name": "3Q",+        "type": "tri_state",+        "description": "3-state output for latch channel 3. Drives \u00b16 mA at 5 V; enters Hi-Z when OE is high."+      },+      {+        "number": "7",+        "name": "3D",+        "type": "input",+        "description": "Data input for latch channel 3. Passes to 3Q while LE is high; captured on LE falling edge."+      },+      {+        "number": "8",+        "name": "4D",+        "type": "input",+        "description": "Data input for latch channel 4. Passes to 4Q while LE is high; captured on LE falling edge."+      },+      {+        "number": "9",+        "name": "4Q",+        "type": "tri_state",+        "description": "3-state output for latch channel 4. Drives \u00b16 mA at 5 V; enters Hi-Z when OE is high."+      },+      {+        "number": "10",+        "name": "GND",+        "type": "power_in",+        "description": "Ground reference (0 V) for the device."+      },+      {+        "number": "11",+        "name": "LE",+        "type": "input",+        "description": "Latch enable, common to all eight latches. When high, Q outputs transparently follow D inputs; when driven low, the D-input state at the falling edge is latched at the outputs. Setup time 15 ns and hold time 13 ns at 4.5 V."+      },+      {+        "number": "12",+        "name": "5Q",+        "type": "tri_state",+        "description": "3-state output for latch channel 5. Drives \u00b16 mA at 5 V; enters Hi-Z when OE is high."+      },+      {+        "number": "13",+        "name": "5D",+        "type": "input",+        "description": "Data input for latch channel 5. Passes to 5Q while LE is high; captured on LE falling edge."+      },+      {+        "number": "14",+        "name": "6D",+        "type": "input",+        "description": "Data input for latch channel 6. Passes to 6Q while LE is high; captured on LE falling edge."+      },+      {+        "number": "15",+        "name": "6Q",+        "type": "tri_state",+        "description": "3-state output for latch channel 6. Drives \u00b16 mA at 5 V; enters Hi-Z when OE is high."+      },+      {+        "number": "16",+        "name": "7Q",+        "type": "tri_state",+        "description": "3-state output for latch channel 7. Drives \u00b16 mA at 5 V; enters Hi-Z when OE is high."+      },+      {+        "number": "17",+        "name": "7D",+        "type": "input",+        "description": "Data input for latch channel 7. Passes to 7Q while LE is high; captured on LE falling edge."+      },+      {+        "number": "18",+        "name": "8D",+        "type": "input",+        "description": "Data input for latch channel 8. Passes to 8Q while LE is high; captured on LE falling edge."+      },+      {+        "number": "19",+        "name": "8Q",+        "type": "tri_state",+        "description": "3-state output for latch channel 8. Drives \u00b16 mA at 5 V; enters Hi-Z when OE is high."+      },+      {+        "number": "20",+        "name": "VCC",+        "type": "power_in",+        "description": "Positive supply. Recommended operating range 2 V to 6 V (absolute max 7 V). Bypass with a local 0.1 \u00b5F ceramic to GND."+      }+    ],+    "provenance": {+      "extractor": "ds2sf",+      "datasheet": {+        "url": "https://www.ti.com/lit/ds/symlink/sn74hc373.pdf",+        "pages": 38,+        "sha256": "09faaa55733b1ac6",+        "source_tier": "mfr"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 20,+        "described": 20,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    }+  },+  "metadata": {+    "specs": {+      "Type": "Octal transparent D latch, 3-state",+      "Latches": "8",+      "Latch enable": "LE (transparent high, hold low)",+      "Output enable": "/OE (active-low, Hi-Z)",+      "Logic family": "HC (high-speed CMOS)",+      "Supply voltage": "2-6 V",+      "Package": "SOIC-20",+      "Body (L\u00d7W\u00d7H)": "12.8 \u00d7 7.5 \u00d7 2.35 mm"+    }+  },+  "sections": [+    "hero",+    "viewers",+    "readme",+    "breadcrumbs",+    "info"+  ],+  "discovery_triggers": [+    "sn74hc373",+    "74hc373",+    "octal latch",+    "transparent latch",+    "address latch"+  ],+  "discovery_pitch": "SN74HC373 octal transparent D latch with 3-state outputs (SOIC-20) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  },   "dependencies": {},   "hero": {     "type": "image",@@ -27,10 +218,5 @@     "docs/sn74hc373-datasheet.pdf",     "viewers/symbol.html",     "viewers/footprint.html"-  ],-  "visibility": "public",-  "author": {-    "name": "Ray",-    "email": "[email protected]"-  }+  ] }\ No newline at end of file