component
SN74LS244N
Public Made by Adomby adom
Texas Instruments Buffers, Drivers, Receivers, Transceivers, DIP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+56@@ -0,0 +1,56 @@+# SN74LS244N++**Texas Instruments** · Buffers, Drivers, Receivers, Transceivers · DIP-20++SN74LS244N from Texas Instruments, in a DIP-20. 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 | 1G | input | Channel 1 output enable |+| 2 | 1A1 | input | Channel 1, A side 1 |+| 3 | 2Y4 | tri_state | Channel 2, Y side 4 |+| 4 | 1A2 | input | Channel 1, A side 2 |+| 5 | 2Y3 | tri_state | Channel 2, Y side 3 |+| 6 | 1A3 | input | Channel 1, A side 3 |+| 7 | 2Y2 | tri_state | Channel 2, Y side 2 |+| 8 | 1A4 | input | Channel 1, A side 4 |+| 9 | 2Y1 | tri_state | Channel 2, Y side 1 |+| 10 | GND | power_in | Ground |+| 11 | 2A1 | input | Channel 2, A side 1 |+| 12 | 1Y4 | tri_state | Channel 1, Y side 4 |+| 13 | 2A2 | input | Channel 2, A side 2 |+| 14 | 1Y3 | tri_state | Channel 1, Y side 3 |+| 15 | 2A3 | input | Channel 2, A side 3 |+| 16 | 1Y2 | tri_state | Channel 1, Y side 2 |+| 17 | 2A4 | input | Channel 2, A side 4 |+| 18 | 1Y1 | tri_state | Channel 1, Y side 1 |+| 19 | 2G/2G | input | Channel 2 output enable |+| 20 | VCC | power_in | Power supply |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | DIP-20 |+| Category | Logic |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `SN74LS244N`+- Footprint: `Package_DIP:DIP-20_W7.62mm`+- 3D model: DIP-20 (KiCad packages3D, STEP)+- 3D model files: `sn74ls244n-etched.step` / `sn74ls244n-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74ls244n.step` / `sn74ls244n.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/sn74ls244) (42 pp, sha256 `05f3258985319fe3`, retrieved 2026-10-05, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/sn74ls244n-datasheet.pdf)
page.jsonadded+229@@ -0,0 +1,229 @@+{+ "slug": "sn74ls244n",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, DIP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "sn74ls244n",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "sn74ls244n.kicad_sym",+ "sn74ls244n.kicad_mod",+ "sn74ls244n.glb",+ "sn74ls244n.step",+ "sn74ls244n.lbr",+ "docs/hero.png",+ "docs/sn74ls244n-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "sn74ls244n-hero.glb",+ "sn74ls244n-hero.overlay.json"+ ],+ "component": {+ "mpn": "SN74LS244N",+ "manufacturer": "Texas Instruments",+ "package": "DIP-20",+ "pin_count": 20,+ "category": "Logic",+ "subcategory": "Buffers, Drivers, Receivers, Transceivers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/sn74ls244",+ "parts": {+ "symbol": "sn74ls244n.kicad_sym",+ "footprint": "sn74ls244n.kicad_mod",+ "model_3d": "sn74ls244n-hero.glb",+ "model_3d_plain": "sn74ls244n.glb",+ "model_3d_step": "sn74ls244n-etched.step",+ "model_3d_step_plain": "sn74ls244n.step",+ "lbr": "sn74ls244n.lbr"+ },+ "distributor_links": {+ "lcsc": 352965,+ "digikey": "296-1653-5-ND",+ "mouser": "595-SN74LS244N"+ },+ "distributor_check": {+ "checked_at": "2026-10-05T19:35:08Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-1653-5-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-SN74LS244N",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "1G",+ "type": "input",+ "description": "Channel 1 output enable"+ },+ {+ "number": "2",+ "name": "1A1",+ "type": "input",+ "description": "Channel 1, A side 1"+ },+ {+ "number": "3",+ "name": "2Y4",+ "type": "tri_state",+ "description": "Channel 2, Y side 4"+ },+ {+ "number": "4",+ "name": "1A2",+ "type": "input",+ "description": "Channel 1, A side 2"+ },+ {+ "number": "5",+ "name": "2Y3",+ "type": "tri_state",+ "description": "Channel 2, Y side 3"+ },+ {+ "number": "6",+ "name": "1A3",+ "type": "input",+ "description": "Channel 1, A side 3"+ },+ {+ "number": "7",+ "name": "2Y2",+ "type": "tri_state",+ "description": "Channel 2, Y side 2"+ },+ {+ "number": "8",+ "name": "1A4",+ "type": "input",+ "description": "Channel 1, A side 4"+ },+ {+ "number": "9",+ "name": "2Y1",+ "type": "tri_state",+ "description": "Channel 2, Y side 1"+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Ground"+ },+ {+ "number": "11",+ "name": "2A1",+ "type": "input",+ "description": "Channel 2, A side 1"+ },+ {+ "number": "12",+ "name": "1Y4",+ "type": "tri_state",+ "description": "Channel 1, Y side 4"+ },+ {+ "number": "13",+ "name": "2A2",+ "type": "input",+ "description": "Channel 2, A side 2"+ },+ {+ "number": "14",+ "name": "1Y3",+ "type": "tri_state",+ "description": "Channel 1, Y side 3"+ },+ {+ "number": "15",+ "name": "2A3",+ "type": "input",+ "description": "Channel 2, A side 3"+ },+ {+ "number": "16",+ "name": "1Y2",+ "type": "tri_state",+ "description": "Channel 1, Y side 2"+ },+ {+ "number": "17",+ "name": "2A4",+ "type": "input",+ "description": "Channel 2, A side 4"+ },+ {+ "number": "18",+ "name": "1Y1",+ "type": "tri_state",+ "description": "Channel 1, Y side 1"+ },+ {+ "number": "19",+ "name": "2G/2G",+ "type": "input",+ "description": "Channel 2 output enable"+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "Power supply"+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 13,+ "cost_usd": 0.1753,+ "at": "2026-10-05T19:34:51"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/sn74ls244",+ "pages": 42,+ "sha256": "05f3258985319fe3",+ "source_tier": "lcsc"+ },+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}