component
SN75157DR
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 @@+# SN75157DR++**Texas Instruments** · RS-485 / RS-422 ICs · SOIC-8++SN75157DR 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 | 1IN+ | input | Non-Inverting Differential Input for Channel 1's Differential Receiver |+| 2 | 1OUT | output | Single Ended Output for Channel 1 Differential Receiver |+| 3 | 2OUT | output | Single Ended Output for Channel 2 Differential Receiver |+| 4 | GND | power_in | Device Ground |+| 5 | 2IN- | input | Inverting Differential Input for Channel 2's Differential Receiver |+| 6 | 2IN+ | input | Non-Inverting Differential Input for Channel 2's Differential Receiver |+| 7 | 1IN- | input | Inverting Differential Input for Channel 1's Differential Receiver |+| 8 | VCC | power_in | 5V (+/-5%) Positive Supply Connection Pin |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Interface |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `SN75157DR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `sn75157dr-etched.step` / `sn75157dr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn75157dr.step` / `sn75157dr.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/sn75157.pdf) (21 pp, sha256 `4038a23c8b55ead0`, retrieved 2026-10-01, tier: manufacturer)+- **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/sn75157dr-datasheet.pdf)
page.jsonadded+156@@ -0,0 +1,156 @@+{+ "slug": "sn75157dr",+ "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",+ "sn75157dr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "sn75157dr.kicad_sym",+ "sn75157dr.kicad_mod",+ "sn75157dr.glb",+ "sn75157dr.step",+ "sn75157dr.lbr",+ "docs/hero.png",+ "docs/sn75157dr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "SN75157DR",+ "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/sn75157.pdf",+ "parts": {+ "symbol": "sn75157dr.kicad_sym",+ "footprint": "sn75157dr.kicad_mod",+ "model_3d": "sn75157dr-etched.glb",+ "model_3d_plain": "sn75157dr.glb",+ "model_3d_step": "sn75157dr-etched.step",+ "model_3d_step_plain": "sn75157dr.step",+ "lbr": "sn75157dr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2861519",+ "digikey": "296-48663-2-ND",+ "mouser": "595-SN75157DR"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T01:23:15Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-48663-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-SN75157DR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "1IN+",+ "type": "input",+ "description": "Non-Inverting Differential Input for Channel 1's Differential Receiver"+ },+ {+ "number": "2",+ "name": "1OUT",+ "type": "output",+ "description": "Single Ended Output for Channel 1 Differential Receiver"+ },+ {+ "number": "3",+ "name": "2OUT",+ "type": "output",+ "description": "Single Ended Output for Channel 2 Differential Receiver"+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Device Ground"+ },+ {+ "number": "5",+ "name": "2IN-",+ "type": "input",+ "description": "Inverting Differential Input for Channel 2's Differential Receiver"+ },+ {+ "number": "6",+ "name": "2IN+",+ "type": "input",+ "description": "Non-Inverting Differential Input for Channel 2's Differential Receiver"+ },+ {+ "number": "7",+ "name": "1IN-",+ "type": "input",+ "description": "Inverting Differential Input for Channel 1's Differential Receiver"+ },+ {+ "number": "8",+ "name": "VCC",+ "type": "power_in",+ "description": "5V (+/-5%) Positive Supply Connection Pin"+ }+ ],+ "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": 21,+ "cost_usd": 0.0835,+ "at": "2026-10-01T01:23:00"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/sn75157.pdf",+ "pages": 21,+ "sha256": "4038a23c8b55ead0",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}