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CD74HCT137M96
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-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 @@+# CD74HCT137M96++**Texas Instruments** · Signal Switches, Multiplexers, Decoders · SOIC-16++CD74HCT137M96 from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | A0 | input | Binary address select input 0; combined with A1 and A2 selects one of eight outputs; all inputs accept LSTTL-compatible levels (VIH ≥ 2 V, VIL ≤ 0.8 V at VCC = 4.5-5.5 V). |+| 2 | A1 | input | Binary address select input 1; combined with A0 and A2 selects one of eight outputs; can be latched by LE. |+| 3 | A2 | input | Binary address select input 2; combined with A0 and A1 selects one of eight outputs; can be latched by LE. |+| 4 | LE | input | Latch Enable input; active HIGH latches address inputs A0-A2 isolating outputs from subsequent address changes; LOW makes outputs transparent to address inputs. |+| 5 | OE1 | input | Output Enable 1 input (active LOW); HIGH forces all Y outputs inactive (HIGH); must be LOW together with OE0 HIGH to enable decoding. |+| 6 | OE0 | input | Output Enable 0 input (active HIGH); LOW forces all Y outputs inactive (HIGH); must be HIGH together with OE1 LOW to enable decoding. |+| 7 | Y7 | output | Active-LOW decoded output 7; LOW when A2=H, A1=H, A0=H, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA, VOL ≤ 0.4 V at IOL = 4 mA. |+| 8 | GND | power_in | Ground supply reference, 0 V; maximum DC VCC or ground current ±50 mA. |+| 9 | Y6 | output | Active-LOW decoded output 6; LOW when A2=H, A1=H, A0=L, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA. |+| 10 | Y5 | output | Active-LOW decoded output 5; LOW when A2=H, A1=L, A0=H, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA. |+| 11 | Y4 | output | Active-LOW decoded output 4; LOW when A2=H, A1=L, A0=L, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA. |+| 12 | Y3 | output | Active-LOW decoded output 3; LOW when A2=L, A1=H, A0=H, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA. |+| 13 | Y2 | output | Active-LOW decoded output 2; LOW when A2=L, A1=H, A0=L, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA. |+| 14 | Y1 | output | Active-LOW decoded output 1; LOW when A2=L, A1=L, A0=H, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA. |+| 15 | Y0 | output | Active-LOW decoded output 0; LOW when A2=L, A1=L, A0=L, LE=L, OE0=H, OE1=L; propagation delay tPLH/tPHL ≤ 38 ns at VCC = 4.5 V, CL = 50 pF, 25 °C. |+| 16 | VCC | power_in | Positive supply voltage; 4.5 V to 5.5 V operating range for HCT type; quiescent supply current ICC ≤ 8 µA typical, 80 µA max at 25 °C. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Logic |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `CD74HCT137M96`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `cd74hct137m96-etched.step` / `cd74hct137m96-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd74hct137m96.step` / `cd74hct137m96.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/cd74hct237) (27 pp, sha256 `ed9eabdb879f73d9`, retrieved 2026-09-21, tier: lcsc)+- **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/cd74hct137m96-datasheet.pdf)
page.jsonadded+191@@ -0,0 +1,191 @@+{+ "slug": "cd74hct137m96",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "cd74hct137m96",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "cd74hct137m96.kicad_sym",+ "cd74hct137m96.kicad_mod",+ "cd74hct137m96.glb",+ "cd74hct137m96.step",+ "cd74hct137m96.lbr",+ "docs/hero.png",+ "docs/cd74hct137m96-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "CD74HCT137M96",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "Logic",+ "subcategory": "Signal Switches, Multiplexers, Decoders",+ "datasheet": "https://www.ti.com/cn/lit/gpn/cd74hct237",+ "parts": {+ "symbol": "cd74hct137m96.kicad_sym",+ "footprint": "cd74hct137m96.kicad_mod",+ "model_3d": "cd74hct137m96-etched.glb",+ "model_3d_plain": "cd74hct137m96.glb",+ "model_3d_step": "cd74hct137m96-etched.step",+ "model_3d_step_plain": "cd74hct137m96.step",+ "lbr": "cd74hct137m96.lbr"+ },+ "distributor_links": {+ "lcsc": "C2674710"+ },+ "pins": [+ {+ "number": "1",+ "name": "A0",+ "type": "input",+ "description": "Binary address select input 0; combined with A1 and A2 selects one of eight outputs; all inputs accept LSTTL-compatible levels (VIH ≥ 2 V, VIL ≤ 0.8 V at VCC = 4.5-5.5 V)."+ },+ {+ "number": "2",+ "name": "A1",+ "type": "input",+ "description": "Binary address select input 1; combined with A0 and A2 selects one of eight outputs; can be latched by LE."+ },+ {+ "number": "3",+ "name": "A2",+ "type": "input",+ "description": "Binary address select input 2; combined with A0 and A1 selects one of eight outputs; can be latched by LE."+ },+ {+ "number": "4",+ "name": "LE",+ "type": "input",+ "description": "Latch Enable input; active HIGH latches address inputs A0-A2 isolating outputs from subsequent address changes; LOW makes outputs transparent to address inputs."+ },+ {+ "number": "5",+ "name": "OE1",+ "type": "input",+ "description": "Output Enable 1 input (active LOW); HIGH forces all Y outputs inactive (HIGH); must be LOW together with OE0 HIGH to enable decoding."+ },+ {+ "number": "6",+ "name": "OE0",+ "type": "input",+ "description": "Output Enable 0 input (active HIGH); LOW forces all Y outputs inactive (HIGH); must be HIGH together with OE1 LOW to enable decoding."+ },+ {+ "number": "7",+ "name": "Y7",+ "type": "output",+ "description": "Active-LOW decoded output 7; LOW when A2=H, A1=H, A0=H, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA, VOL ≤ 0.4 V at IOL = 4 mA."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground supply reference, 0 V; maximum DC VCC or ground current ±50 mA."+ },+ {+ "number": "9",+ "name": "Y6",+ "type": "output",+ "description": "Active-LOW decoded output 6; LOW when A2=H, A1=H, A0=L, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA."+ },+ {+ "number": "10",+ "name": "Y5",+ "type": "output",+ "description": "Active-LOW decoded output 5; LOW when A2=H, A1=L, A0=H, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA."+ },+ {+ "number": "11",+ "name": "Y4",+ "type": "output",+ "description": "Active-LOW decoded output 4; LOW when A2=H, A1=L, A0=L, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA."+ },+ {+ "number": "12",+ "name": "Y3",+ "type": "output",+ "description": "Active-LOW decoded output 3; LOW when A2=L, A1=H, A0=H, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA."+ },+ {+ "number": "13",+ "name": "Y2",+ "type": "output",+ "description": "Active-LOW decoded output 2; LOW when A2=L, A1=H, A0=L, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA."+ },+ {+ "number": "14",+ "name": "Y1",+ "type": "output",+ "description": "Active-LOW decoded output 1; LOW when A2=L, A1=L, A0=H, LE=L, OE0=H, OE1=L; max output sink/source current ±25 mA."+ },+ {+ "number": "15",+ "name": "Y0",+ "type": "output",+ "description": "Active-LOW decoded output 0; LOW when A2=L, A1=L, A0=L, LE=L, OE0=H, OE1=L; propagation delay tPLH/tPHL ≤ 38 ns at VCC = 4.5 V, CL = 50 pF, 25 °C."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage; 4.5 V to 5.5 V operating range for HCT type; quiescent supply current ICC ≤ 8 µA typical, 80 µA max at 25 °C."+ }+ ],+ "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: No explicit pin assignment table found in datasheet. Pinout derived from functional block diagram (P"+ ],+ "pages_sent": 27,+ "cost_usd": 0.5206,+ "at": "2026-09-21T20:16:04"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/cd74hct237",+ "pages": 27,+ "sha256": "ed9eabdb879f73d9",+ "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]"+ }+}