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CD74HC237PWR
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# CD74HC237PWR++**Texas Instruments** · Signal Switches, Multiplexers, Decoders · TSSOP-16++CD74HC237PWR from Texas Instruments, in a TSSOP-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 | A0 | input | Binary address input 0; used with A1, A2 to select one of eight outputs. |+| 2 | A1 | input | Binary address input 1; used with A0, A2 to select one of eight outputs. |+| 3 | A2 | input | Binary address input 2; used with A0, A1 to select one of eight outputs. |+| 4 | LE | input | Latch Enable input; active high to latch address inputs and isolate outputs from select-input changes. |+| 5 | OE1 | input | Output Enable input 1; used with OE0 to enable or disable outputs for cascading and demultiplexing. |+| 6 | OE0 | input | Output Enable input 0; used with OE1 to enable or disable outputs for cascading and demultiplexing. |+| 7 | Y7 | output | Active-high output 7; selected when A2=1, A1=1, A0=1. |+| 8 | GND | power_in | Ground; negative power supply. |+| 9 | Y6 | output | Active-high output 6; selected when A2=1, A1=1, A0=0. |+| 10 | Y5 | output | Active-high output 5; selected when A2=1, A1=0, A0=1. |+| 11 | Y4 | output | Active-high output 4; selected when A2=1, A1=0, A0=0. |+| 12 | Y3 | output | Active-high output 3; selected when A2=0, A1=1, A0=1. |+| 13 | Y2 | output | Active-high output 2; selected when A2=0, A1=1, A0=0. |+| 14 | Y1 | output | Active-high output 1; selected when A2=0, A1=0, A0=1. |+| 15 | Y0 | output | Active-high output 0; selected when A2=0, A1=0, A0=0. |+| 16 | VCC | power_in | Positive power supply voltage; 2V to 6V for HC type. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-16 |+| Category | Logic |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `CD74HC237PWR`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (KiCad packages3D, STEP)+- 3D model files: `cd74hc237pwr-etched.step` / `cd74hc237pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd74hc237pwr.step` / `cd74hc237pwr.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/lit/ds/symlink/cd74hc237.pdf) (27 pp, sha256 `392e1dad7454b4a5`, retrieved 2026-09-26, tier: manufacturer)+- **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/cd74hc237pwr-datasheet.pdf)
page.jsonadded+206@@ -0,0 +1,206 @@+{+ "slug": "cd74hc237pwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "cd74hc237pwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "cd74hc237pwr.kicad_sym",+ "cd74hc237pwr.kicad_mod",+ "cd74hc237pwr.glb",+ "cd74hc237pwr.step",+ "cd74hc237pwr.lbr",+ "docs/hero.png",+ "docs/cd74hc237pwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "CD74HC237PWR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-16",+ "pin_count": 16,+ "category": "Logic",+ "subcategory": "Signal Switches, Multiplexers, Decoders",+ "datasheet": "https://www.ti.com/lit/ds/symlink/cd74hc237.pdf",+ "parts": {+ "symbol": "cd74hc237pwr.kicad_sym",+ "footprint": "cd74hc237pwr.kicad_mod",+ "model_3d": "cd74hc237pwr-etched.glb",+ "model_3d_plain": "cd74hc237pwr.glb",+ "model_3d_step": "cd74hc237pwr-etched.step",+ "model_3d_step_plain": "cd74hc237pwr.step",+ "lbr": "cd74hc237pwr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2674656",+ "digikey": "296-13813-2-ND",+ "mouser": "595-CD74HC237PWR"+ },+ "distributor_check": {+ "checked_at": "2026-09-26T14:02:37Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-13813-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-CD74HC237PWR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "A0",+ "type": "input",+ "description": "Binary address input 0; used with A1, A2 to select one of eight outputs."+ },+ {+ "number": "2",+ "name": "A1",+ "type": "input",+ "description": "Binary address input 1; used with A0, A2 to select one of eight outputs."+ },+ {+ "number": "3",+ "name": "A2",+ "type": "input",+ "description": "Binary address input 2; used with A0, A1 to select one of eight outputs."+ },+ {+ "number": "4",+ "name": "LE",+ "type": "input",+ "description": "Latch Enable input; active high to latch address inputs and isolate outputs from select-input changes."+ },+ {+ "number": "5",+ "name": "OE1",+ "type": "input",+ "description": "Output Enable input 1; used with OE0 to enable or disable outputs for cascading and demultiplexing."+ },+ {+ "number": "6",+ "name": "OE0",+ "type": "input",+ "description": "Output Enable input 0; used with OE1 to enable or disable outputs for cascading and demultiplexing."+ },+ {+ "number": "7",+ "name": "Y7",+ "type": "output",+ "description": "Active-high output 7; selected when A2=1, A1=1, A0=1."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground; negative power supply."+ },+ {+ "number": "9",+ "name": "Y6",+ "type": "output",+ "description": "Active-high output 6; selected when A2=1, A1=1, A0=0."+ },+ {+ "number": "10",+ "name": "Y5",+ "type": "output",+ "description": "Active-high output 5; selected when A2=1, A1=0, A0=1."+ },+ {+ "number": "11",+ "name": "Y4",+ "type": "output",+ "description": "Active-high output 4; selected when A2=1, A1=0, A0=0."+ },+ {+ "number": "12",+ "name": "Y3",+ "type": "output",+ "description": "Active-high output 3; selected when A2=0, A1=1, A0=1."+ },+ {+ "number": "13",+ "name": "Y2",+ "type": "output",+ "description": "Active-high output 2; selected when A2=0, A1=1, A0=0."+ },+ {+ "number": "14",+ "name": "Y1",+ "type": "output",+ "description": "Active-high output 1; selected when A2=0, A1=0, A0=1."+ },+ {+ "number": "15",+ "name": "Y0",+ "type": "output",+ "description": "Active-high output 0; selected when A2=0, A1=0, A0=0."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive power supply voltage; 2V to 6V for HC type."+ }+ ],+ "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": [+ "extractor flagged: Pinout diagram on page 2 shows conflicting pin assignments in the graphical layout that contradict t"+ ],+ "pages_sent": 27,+ "cost_usd": 0.3934,+ "at": "2026-09-26T14:02:18"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/cd74hc237.pdf",+ "pages": 27,+ "sha256": "392e1dad7454b4a5",+ "source_tier": "mfr"+ },+ "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]"+ }+}