component
CD74HCT4067M
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+61@@ -0,0 +1,61 @@+# CD74HCT4067M++**Texas Instruments** · Signal Switches, Multiplexers, Decoders · SOIC-24-300mil++CD74HCT4067M from Texas Instruments, in a SOIC-24-300mil. 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 | COMMON | bidirectional | Common analog input/output terminal that connects to the selected channel via the internal multiplexer. |+| 2 | I7 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 3 | I6 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 4 | I5 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 5 | I4 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 6 | I3 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 7 | I2 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 8 | I1 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 9 | I0 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 10 | S0 | input | Binary select input; bit 0 of the 4-bit address code to select one of 16 analog channels. |+| 11 | S1 | input | Binary select input; bit 1 of the 4-bit address code to select one of 16 analog channels. |+| 12 | GND | power_in | Ground pin; negative power supply return. |+| 13 | S3 | input | Binary select input; bit 3 of the 4-bit address code to select one of 16 analog channels. |+| 14 | S2 | input | Binary select input; bit 2 of the 4-bit address code to select one of 16 analog channels. |+| 15 | E | input | Enable control input; logic high disables all analog switches for isolation, logic low enables the selected channel. |+| 16 | I15 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 17 | I14 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 18 | I13 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 19 | I12 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 20 | I11 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 21 | I10 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 22 | I9 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 23 | I8 | bidirectional | Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal. |+| 24 | VCC | power_in | Power supply voltage input pin; operates at 4.5V to 5.5V for HCT variant. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-24-300mil |+| Category | Logic |+| Pins | 24 |++## CAD (KiCad official)++- Symbol: `CD74HCT4067M`+- Footprint: `Package_SO:SOIC-24W_7.5x15.4mm_P1.27mm`+- 3D model: SOIC-24-300mil (KiCad packages3D, STEP)+- 3D model files: `cd74hct4067m-etched.step` / `cd74hct4067m-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd74hct4067m.step` / `cd74hct4067m.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/cd74hct4067) (30 pp, sha256 `e850e9dac84801b3`, retrieved 2026-09-26, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/cd74hct4067m-datasheet.pdf)
page.jsonadded+252@@ -0,0 +1,252 @@+{+ "slug": "cd74hct4067m",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "cd74hct4067m",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "cd74hct4067m.kicad_sym",+ "cd74hct4067m.kicad_mod",+ "cd74hct4067m.glb",+ "cd74hct4067m.step",+ "cd74hct4067m.lbr",+ "docs/hero.png",+ "docs/cd74hct4067m-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "CD74HCT4067M",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-24-300mil",+ "pin_count": 24,+ "category": "Logic",+ "subcategory": "Signal Switches, Multiplexers, Decoders",+ "datasheet": "https://www.ti.com/cn/lit/gpn/cd74hct4067",+ "parts": {+ "symbol": "cd74hct4067m.kicad_sym",+ "footprint": "cd74hct4067m.kicad_mod",+ "model_3d": "cd74hct4067m-etched.glb",+ "model_3d_plain": "cd74hct4067m.glb",+ "model_3d_step": "cd74hct4067m-etched.step",+ "model_3d_step_plain": "cd74hct4067m.step",+ "lbr": "cd74hct4067m.lbr"+ },+ "distributor_links": {+ "lcsc": "C424181",+ "digikey": "296-23078-ND",+ "mouser": "595-CD74HCT4067M"+ },+ "distributor_check": {+ "checked_at": "2026-09-26T15:23:47Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-23078-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-CD74HCT4067M",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "COMMON",+ "type": "bidirectional",+ "description": "Common analog input/output terminal that connects to the selected channel via the internal multiplexer."+ },+ {+ "number": "2",+ "name": "I7",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "3",+ "name": "I6",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "4",+ "name": "I5",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "5",+ "name": "I4",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "6",+ "name": "I3",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "7",+ "name": "I2",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "8",+ "name": "I1",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "9",+ "name": "I0",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "10",+ "name": "S0",+ "type": "input",+ "description": "Binary select input; bit 0 of the 4-bit address code to select one of 16 analog channels."+ },+ {+ "number": "11",+ "name": "S1",+ "type": "input",+ "description": "Binary select input; bit 1 of the 4-bit address code to select one of 16 analog channels."+ },+ {+ "number": "12",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin; negative power supply return."+ },+ {+ "number": "13",+ "name": "S3",+ "type": "input",+ "description": "Binary select input; bit 3 of the 4-bit address code to select one of 16 analog channels."+ },+ {+ "number": "14",+ "name": "S2",+ "type": "input",+ "description": "Binary select input; bit 2 of the 4-bit address code to select one of 16 analog channels."+ },+ {+ "number": "15",+ "name": "E",+ "type": "input",+ "description": "Enable control input; logic high disables all analog switches for isolation, logic low enables the selected channel."+ },+ {+ "number": "16",+ "name": "I15",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "17",+ "name": "I14",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "18",+ "name": "I13",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "19",+ "name": "I12",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "20",+ "name": "I11",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "21",+ "name": "I10",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "22",+ "name": "I9",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "23",+ "name": "I8",+ "type": "bidirectional",+ "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."+ },+ {+ "number": "24",+ "name": "VCC",+ "type": "power_in",+ "description": "Power supply voltage input pin; operates at 4.5V to 5.5V for HCT variant."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 30,+ "cost_usd": 0.3434,+ "at": "2026-09-26T15:23:27"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/cd74hct4067",+ "pages": 30,+ "sha256": "e850e9dac84801b3",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 24,+ "described": 24,+ "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]"+ }+}