component
THVD1439DR
Public Made by Adomby adom
Texas Instruments RS-485 / RS-422 ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# THVD1439DR++**Texas Instruments** · RS-485 / RS-422 ICs · SOIC-8++THVD1439DR from Texas Instruments, in a SOIC-8. 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 | R | output | Receiver data output; the absolute maximum receiver output current is ±24 mA. |+| 2 | RE | input | Receiver enable, active low, with a 2 MΩ internal pull-up. |+| 3 | DE | input | Driver enable, active high. |+| 4 | D | input | Driver data input; the absolute maximum logic input range is -0.3 V to 5.7 V for THVD1439 and THVD1449. |+| 5 | GND | power_in | Device ground. |+| 6 | A | bidirectional | Bus I/O port A, complementary to B; the absolute maximum bus voltage range at A or B is -15 V to 15 V. |+| 7 | B | bidirectional | Bus I/O port B, complementary to A; the absolute maximum bus voltage range at A or B is -15 V to 15 V. |+| 8 | VCC | power_in | 3.3-V to 5-V supply for the device; the absolute maximum supply voltage is 7 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Interface |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `THVD1439DR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `thvd1439dr-etched.step` / `thvd1439dr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `thvd1439dr.step` / `thvd1439dr.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/thvd1439.pdf) (30 pp, sha256 `f5c3d3d8a4ebdcfc`, retrieved 2026-10-08, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/thvd1439dr-datasheet.pdf)
page.jsonadded+200@@ -0,0 +1,200 @@+{+ "slug": "thvd1439dr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments RS-485 / RS-422 ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "thvd1439dr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "thvd1439dr.kicad_sym",+ "thvd1439dr.kicad_mod",+ "thvd1439dr.glb",+ "thvd1439dr.step",+ "thvd1439dr.lbr",+ "docs/hero.png",+ "docs/thvd1439dr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "thvd1439dr-hero.glb",+ "thvd1439dr-hero.overlay.json"+ ],+ "component": {+ "mpn": "THVD1439DR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Interface",+ "subcategory": "RS-485 / RS-422 ICs",+ "datasheet": "https://www.ti.com/lit/ds/symlink/thvd1439.pdf",+ "parts": {+ "symbol": "thvd1439dr.kicad_sym",+ "footprint": "thvd1439dr.kicad_mod",+ "model_3d": "thvd1439dr-hero.glb",+ "model_3d_plain": "thvd1439dr.glb",+ "model_3d_step": "thvd1439dr-etched.step",+ "model_3d_step_plain": "thvd1439dr.step",+ "lbr": "thvd1439dr.lbr"+ },+ "distributor_links": {+ "lcsc": "C3235058",+ "digikey": "296-THVD1439DRTR-ND",+ "mouser": "595-THVD1439DR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T04:21:37Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-THVD1439DRTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-THVD1439DR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "R",+ "type": "output",+ "description": "Receiver data output; the absolute maximum receiver output current is ±24 mA."+ },+ {+ "number": "2",+ "name": "RE",+ "type": "input",+ "description": "Receiver enable, active low, with a 2 MΩ internal pull-up."+ },+ {+ "number": "3",+ "name": "DE",+ "type": "input",+ "description": "Driver enable, active high."+ },+ {+ "number": "4",+ "name": "D",+ "type": "input",+ "description": "Driver data input; the absolute maximum logic input range is -0.3 V to 5.7 V for THVD1439 and THVD1449."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground."+ },+ {+ "number": "6",+ "name": "A",+ "type": "bidirectional",+ "description": "Bus I/O port A, complementary to B; the absolute maximum bus voltage range at A or B is -15 V to 15 V."+ },+ {+ "number": "7",+ "name": "B",+ "type": "bidirectional",+ "description": "Bus I/O port B, complementary to A; the absolute maximum bus voltage range at A or B is -15 V to 15 V."+ },+ {+ "number": "8",+ "name": "VCC",+ "type": "power_in",+ "description": "3.3-V to 5-V supply for the device; the absolute maximum supply voltage is 7 V."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: THVD1439DR is the non-V variant (separate DE and RE, no VIO pin). Pin numbers were taken from the TH; The datasheet pages provided (8 of 30) do not include the orderable table entry for THVD1439DR beyon"+ ],+ "pages_sent": 8,+ "cost_usd": 0.0355,+ "at": "2026-10-08T04:21:24"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/thvd1439.pdf",+ "pages": 30,+ "sha256": "f5c3d3d8a4ebdcfc",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "thvd1439dr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "thvd1439dr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "5a33f9ed42639cb441bf5a2a6d35c8969647707630cb6cfc0791a78261f1934d",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}