component
ST202ECDR
Public Made by Adomby adom
STMicroelectronics RS232 ICs, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# ST202ECDR++**STMicroelectronics** · RS232 ICs · SOIC-16-300mil++ST202ECDR from STMicroelectronics, in a SOIC-16-300mil. 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 | C1+ | passive | Positive terminal for first charge pump capacitor; connect 0.1 µF external capacitor for proper charge pump operation. |+| 2 | V+ | power_out | Doubled voltage terminal generating positive supply voltage from (VCC-0.3) to 14V for transmitter output biasing. |+| 3 | C1- | passive | Negative terminal for first charge pump capacitor; connect 0.1 µF external capacitor for proper charge pump operation. |+| 4 | C2+ | passive | Positive terminal for second charge pump capacitor; connect 0.1 µF external capacitor for proper charge pump operation. |+| 5 | C2- | passive | Negative terminal for second charge pump capacitor; connect 0.1 µF external capacitor for proper charge pump operation. |+| 6 | V- | power_out | Inverted voltage terminal generating negative supply voltage from -14 to 0.3V for transmitter output biasing. |+| 7 | T2OUT | output | Second transmitter RS-232 output with voltage swing of ±5 to ±9V when loaded with 3 kΩ to GND, data rate up to 230 kbps. |+| 8 | R2IN | input | Second receiver RS-232 input with operating voltage range from -30 to 30V and input resistance of 3 to 7 kΩ. |+| 9 | R2OUT | output | Second receiver TTL/CMOS output with low voltage ≤0.4V at 3.2 mA and high voltage ≥VCC-0.4V at -1 mA. |+| 10 | T2IN | input | Second transmitter TTL/CMOS input with logic threshold low of 0.8V and high of 2V, input leakage current ±10 µA. |+| 11 | T1IN | input | First transmitter TTL/CMOS input with logic threshold low of 0.8V and high of 2V, input leakage current ±10 µA. |+| 12 | R1OUT | output | First receiver TTL/CMOS output with low voltage ≤0.4V at 3.2 mA and high voltage ≥VCC-0.4V at -1 mA. |+| 13 | R1IN | input | First receiver RS-232 input with operating voltage range from -30 to 30V and input resistance of 3 to 7 kΩ. |+| 14 | T1OUT | output | First transmitter RS-232 output with voltage swing of ±5 to ±9V when loaded with 3 kΩ to GND, data rate up to 230 kbps. |+| 15 | GND | power_in | Ground (0V reference) for all device circuitry. |+| 16 | VCC | power_in | Supply voltage 5V ±10% with typical quiescent current of 10 mA at no load. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOIC-16-300mil |+| Category | Interface |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `ST202ECDR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16-300mil (KiCad packages3D, STEP)+- 3D model files: `st202ecdr-etched.step` / `st202ecdr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `st202ecdr.step` / `st202ecdr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586192726488858624) (18 pp, sha256 `fe41e6c8c1ca7890`, retrieved 2026-10-03, 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/st202ecdr-datasheet.pdf)
page.jsonadded+208@@ -0,0 +1,208 @@+{+ "slug": "st202ecdr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics RS232 ICs, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "st202ecdr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "st202ecdr.kicad_sym",+ "st202ecdr.kicad_mod",+ "st202ecdr.glb",+ "st202ecdr.step",+ "st202ecdr.lbr",+ "docs/hero.png",+ "docs/st202ecdr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "st202ecdr-hero.glb",+ "st202ecdr-hero.overlay.json"+ ],+ "component": {+ "mpn": "ST202ECDR",+ "manufacturer": "STMicroelectronics",+ "package": "SOIC-16-300mil",+ "pin_count": 16,+ "category": "Interface",+ "subcategory": "RS232 ICs",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586192726488858624",+ "parts": {+ "symbol": "st202ecdr.kicad_sym",+ "footprint": "st202ecdr.kicad_mod",+ "model_3d": "st202ecdr-hero.glb",+ "model_3d_plain": "st202ecdr.glb",+ "model_3d_step": "st202ecdr-etched.step",+ "model_3d_step_plain": "st202ecdr.step",+ "lbr": "st202ecdr.lbr"+ },+ "distributor_links": {+ "lcsc": 6868,+ "digikey": "497-3727-2-ND",+ "mouser": "511-ST202ECDR"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T06:59:18Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-3727-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "511-ST202ECDR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "C1+",+ "type": "passive",+ "description": "Positive terminal for first charge pump capacitor; connect 0.1 µF external capacitor for proper charge pump operation."+ },+ {+ "number": "2",+ "name": "V+",+ "type": "power_out",+ "description": "Doubled voltage terminal generating positive supply voltage from (VCC-0.3) to 14V for transmitter output biasing."+ },+ {+ "number": "3",+ "name": "C1-",+ "type": "passive",+ "description": "Negative terminal for first charge pump capacitor; connect 0.1 µF external capacitor for proper charge pump operation."+ },+ {+ "number": "4",+ "name": "C2+",+ "type": "passive",+ "description": "Positive terminal for second charge pump capacitor; connect 0.1 µF external capacitor for proper charge pump operation."+ },+ {+ "number": "5",+ "name": "C2-",+ "type": "passive",+ "description": "Negative terminal for second charge pump capacitor; connect 0.1 µF external capacitor for proper charge pump operation."+ },+ {+ "number": "6",+ "name": "V-",+ "type": "power_out",+ "description": "Inverted voltage terminal generating negative supply voltage from -14 to 0.3V for transmitter output biasing."+ },+ {+ "number": "7",+ "name": "T2OUT",+ "type": "output",+ "description": "Second transmitter RS-232 output with voltage swing of ±5 to ±9V when loaded with 3 kΩ to GND, data rate up to 230 kbps."+ },+ {+ "number": "8",+ "name": "R2IN",+ "type": "input",+ "description": "Second receiver RS-232 input with operating voltage range from -30 to 30V and input resistance of 3 to 7 kΩ."+ },+ {+ "number": "9",+ "name": "R2OUT",+ "type": "output",+ "description": "Second receiver TTL/CMOS output with low voltage ≤0.4V at 3.2 mA and high voltage ≥VCC-0.4V at -1 mA."+ },+ {+ "number": "10",+ "name": "T2IN",+ "type": "input",+ "description": "Second transmitter TTL/CMOS input with logic threshold low of 0.8V and high of 2V, input leakage current ±10 µA."+ },+ {+ "number": "11",+ "name": "T1IN",+ "type": "input",+ "description": "First transmitter TTL/CMOS input with logic threshold low of 0.8V and high of 2V, input leakage current ±10 µA."+ },+ {+ "number": "12",+ "name": "R1OUT",+ "type": "output",+ "description": "First receiver TTL/CMOS output with low voltage ≤0.4V at 3.2 mA and high voltage ≥VCC-0.4V at -1 mA."+ },+ {+ "number": "13",+ "name": "R1IN",+ "type": "input",+ "description": "First receiver RS-232 input with operating voltage range from -30 to 30V and input resistance of 3 to 7 kΩ."+ },+ {+ "number": "14",+ "name": "T1OUT",+ "type": "output",+ "description": "First transmitter RS-232 output with voltage swing of ±5 to ±9V when loaded with 3 kΩ to GND, data rate up to 230 kbps."+ },+ {+ "number": "15",+ "name": "GND",+ "type": "power_in",+ "description": "Ground (0V reference) for all device circuitry."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage 5V ±10% with typical quiescent current of 10 mA at no load."+ }+ ],+ "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": [+ "8/16 pins cited to the wrong page (name found elsewhere): ['7:T2OUT@p6', '8:R2IN@p6', '9:R2OUT@p6', '10:T2IN@p6']"+ ],+ "pages_sent": 18,+ "cost_usd": 0.1027,+ "at": "2026-10-03T06:58:54"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586192726488858624",+ "pages": 18,+ "sha256": "fe41e6c8c1ca7890",+ "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]"+ }+}