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SN74HC4040NSR
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Texas Instruments Counters, Dividers, SO-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# SN74HC4040NSR++**Texas Instruments** · Counters, Dividers · SO-16++SN74HC4040NSR from Texas Instruments, in a SO-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | QL | output | Counter stage 12 output (QL), push-pull with ±4 mA drive at 5 V. |+| 2 | QF | output | Counter stage 6 output (QF), push-pull with ±4 mA drive at 5 V. |+| 3 | QE | output | Counter stage 5 output (QE), push-pull with ±4 mA drive at 5 V. |+| 4 | QG | output | Counter stage 7 output (QG), push-pull with ±4 mA drive at 5 V. |+| 5 | QD | output | Counter stage 4 output (QD), push-pull with ±4 mA drive at 5 V. |+| 6 | QC | output | Counter stage 3 output (QC), push-pull with ±4 mA drive at 5 V. |+| 7 | QB | output | Counter stage 2 output (QB), push-pull with ±4 mA drive at 5 V. |+| 8 | GND | power_in | Ground pin. |+| 9 | QA | output | Counter stage 1 output (QA), push-pull with ±4 mA drive at 5 V. |+| 10 | CLK | input | Clock input; the count advances on a high-to-low transition. |+| 11 | CLR | input | Clear input; a high level asynchronously clears the counter and resets all outputs low. |+| 12 | QI | output | Counter stage 9 output (QI), push-pull with ±4 mA drive at 5 V. |+| 13 | QH | output | Counter stage 8 output (QH), push-pull with ±4 mA drive at 5 V. |+| 14 | QJ | output | Counter stage 10 output (QJ), push-pull with ±4 mA drive at 5 V. |+| 15 | QK | output | Counter stage 11 output (QK), push-pull with ±4 mA drive at 5 V. |+| 16 | VCC | power_in | Supply voltage pin, 2 V to 6 V recommended, with a 0.1-µF bypass capacitor recommended. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SO-16 |+| Category | Logic |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `SN74HC4040NSR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SO-16 (KiCad packages3D, STEP)+- 3D model files: `sn74hc4040nsr-etched.step` / `sn74hc4040nsr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74hc4040nsr.step` / `sn74hc4040nsr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/sn54hc4040) (31 pp, sha256 `37e3a7374d27ddbf`, retrieved 2026-10-03, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/sn74hc4040nsr-datasheet.pdf)
page.jsonadded+209@@ -0,0 +1,209 @@+{+ "slug": "sn74hc4040nsr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Counters, Dividers, SO-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "sn74hc4040nsr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "sn74hc4040nsr.kicad_sym",+ "sn74hc4040nsr.kicad_mod",+ "sn74hc4040nsr.glb",+ "sn74hc4040nsr.step",+ "sn74hc4040nsr.lbr",+ "docs/hero.png",+ "docs/sn74hc4040nsr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "sn74hc4040nsr-hero.glb",+ "sn74hc4040nsr-hero.overlay.json"+ ],+ "component": {+ "mpn": "SN74HC4040NSR",+ "manufacturer": "Texas Instruments",+ "package": "SO-16",+ "pin_count": 16,+ "category": "Logic",+ "subcategory": "Counters, Dividers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/sn54hc4040",+ "parts": {+ "symbol": "sn74hc4040nsr.kicad_sym",+ "footprint": "sn74hc4040nsr.kicad_mod",+ "model_3d": "sn74hc4040nsr-hero.glb",+ "model_3d_plain": "sn74hc4040nsr.glb",+ "model_3d_step": "sn74hc4040nsr-etched.step",+ "model_3d_step_plain": "sn74hc4040nsr.step",+ "lbr": "sn74hc4040nsr.lbr"+ },+ "distributor_links": {+ "lcsc": 2861322,+ "digikey": "296-29133-2-ND",+ "mouser": "595-SN74HC4040NSR"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T07:46:34Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-29133-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-SN74HC4040NSR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "QL",+ "type": "output",+ "description": "Counter stage 12 output (QL), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "2",+ "name": "QF",+ "type": "output",+ "description": "Counter stage 6 output (QF), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "3",+ "name": "QE",+ "type": "output",+ "description": "Counter stage 5 output (QE), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "4",+ "name": "QG",+ "type": "output",+ "description": "Counter stage 7 output (QG), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "5",+ "name": "QD",+ "type": "output",+ "description": "Counter stage 4 output (QD), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "6",+ "name": "QC",+ "type": "output",+ "description": "Counter stage 3 output (QC), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "7",+ "name": "QB",+ "type": "output",+ "description": "Counter stage 2 output (QB), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "9",+ "name": "QA",+ "type": "output",+ "description": "Counter stage 1 output (QA), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "10",+ "name": "CLK",+ "type": "input",+ "description": "Clock input; the count advances on a high-to-low transition."+ },+ {+ "number": "11",+ "name": "CLR",+ "type": "input",+ "description": "Clear input; a high level asynchronously clears the counter and resets all outputs low."+ },+ {+ "number": "12",+ "name": "QI",+ "type": "output",+ "description": "Counter stage 9 output (QI), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "13",+ "name": "QH",+ "type": "output",+ "description": "Counter stage 8 output (QH), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "14",+ "name": "QJ",+ "type": "output",+ "description": "Counter stage 10 output (QJ), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "15",+ "name": "QK",+ "type": "output",+ "description": "Counter stage 11 output (QK), push-pull with ±4 mA drive at 5 V."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage pin, 2 V to 6 V recommended, with a 0.1-µF bypass capacitor recommended."+ }+ ],+ "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+vision",+ "consensus_model": "claude-opus-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The pin diagram labels the outputs QA to QL only. The stage numbers in the descriptions (QA = stage ; The datasheet states the ±4 mA output drive at 5 V for the device as a whole, not per pin. It is app",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 31,+ "cost_usd": 0.4843,+ "at": "2026-10-03T07:46:07"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/sn54hc4040",+ "pages": 31,+ "sha256": "37e3a7374d27ddbf",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}