component
ST3241EBPR
Public Made by Adomby adom
STMicroelectronics RS232 ICs, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+64@@ -0,0 +1,64 @@+# ST3241EBPR++**STMicroelectronics** · RS232 ICs · SSOP-28-208mil++ST3241EBPR from STMicroelectronics, in a SSOP-28-208mil. 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 | C2+ | passive | Positive terminal of the inverting charge pump capacitor (C2 is connected between pins 1 and 2, specified as 0.1 µF to 0.47 µF in the application table depending on VCC). |+| 2 | C2- | passive | Negative terminal of the inverting charge pump capacitor. |+| 3 | V- | power_out | -5.5 V output generated by the charge pump, with an extra negative voltage limit of 7 V magnitude (absolute maximum). |+| 4 | R1IN | input | First RS-232 receiver input, with an operating input voltage range of -25 V to 25 V. |+| 5 | R2IN | input | Second RS-232 receiver input, with an operating input voltage range of -25 V to 25 V. |+| 6 | R3IN | input | Third RS-232 receiver input, with an operating input voltage range of -25 V to 25 V. |+| 7 | R4IN | input | Fourth RS-232 receiver input, with an operating input voltage range of -25 V to 25 V. |+| 8 | R5IN | input | Fifth RS-232 receiver input, with an operating input voltage range of -25 V to 25 V. |+| 9 | T1OUT | output | First RS-232 transmitter output, with a voltage swing of ±5 V minimum into a 3 kΩ load and short-circuit protection (one output at a time). |+| 10 | T2OUT | output | Second RS-232 transmitter output, with a voltage swing of ±5 V minimum into a 3 kΩ load and short-circuit protection (one output at a time). |+| 11 | T3OUT | output | Third RS-232 transmitter output, with a voltage swing of ±5 V minimum into a 3 kΩ load and short-circuit protection (one output at a time). |+| 12 | T3IN | input | Third transmitter logic input, with a maximum input voltage of 6 V (absolute maximum) and a logic threshold high of 2 V at VCC = 3.3 V. |+| 13 | T2IN | input | Second transmitter logic input, with a maximum input voltage of 6 V (absolute maximum) and a logic threshold high of 2 V at VCC = 3.3 V. |+| 14 | T1IN | input | First transmitter logic input, with a maximum input voltage of 6 V (absolute maximum) and a logic threshold high of 2 V at VCC = 3.3 V. |+| 15 | R5OUT | output | Fifth receiver logic output, with output voltage high of VCC - 0.1 V minimum at IOUT = -1 mA. |+| 16 | R4OUT | output | Fourth receiver logic output, with output voltage high of VCC - 0.1 V minimum at IOUT = -1 mA. |+| 17 | R3OUT | output | Third receiver logic output, with output voltage high of VCC - 0.1 V minimum at IOUT = -1 mA. |+| 18 | R2OUT | output | Second receiver logic output, which is always active to provide the wake-up function for the serial port. |+| 19 | R1OUT | output | First receiver logic output, with output voltage low of 0.4 V maximum at IOUT = 1.6 mA. |+| 20 | R2OUTB | output | Non-inverting complementary receiver output, always active for wake-up. |+| 21 | R1OUTB | output | Non-inverting complementary receiver output, always active for wake-up. |+| 22 | SHDN | input | Shutdown control input, active low, with a logic threshold low of 0.8 V maximum. |+| 23 | EN | input | Receiver enable input, active low, with a logic threshold low of 0.8 V maximum. |+| 24 | C1- | passive | Negative terminal of the voltage-doubler charge pump capacitor. |+| 25 | GND | power_in | Ground reference for the device. |+| 26 | VCC | power_in | Supply voltage, specified from 3 V to 5.5 V. |+| 27 | V+ | power_out | +5.5 V output generated by the charge pump, with an extra positive voltage limit of 7 V magnitude (absolute maximum). |+| 28 | C1+ | passive | Positive terminal of the voltage-doubler charge pump capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SSOP-28-208mil |+| Category | Interface |+| Pins | 28 |++## CAD (KiCad official)++- Symbol: `ST3241EBPR`+- Footprint: `Package_SO:SSOP-28_5.3x10.2mm_P0.65mm`+- 3D model: SSOP-28-208mil (KiCad packages3D, STEP)+- 3D model files: `st3241ebpr-etched.step` / `st3241ebpr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `st3241ebpr.step` / `st3241ebpr.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/8588902855277760512) (14 pp, sha256 `3aa1c70966b2daf6`, retrieved 2026-10-08, tier: lcsc)+- **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/st3241ebpr-datasheet.pdf)
page.jsonadded+320@@ -0,0 +1,320 @@+{+ "slug": "st3241ebpr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics RS232 ICs, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "st3241ebpr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "st3241ebpr.kicad_sym",+ "st3241ebpr.kicad_mod",+ "st3241ebpr.glb",+ "st3241ebpr.step",+ "st3241ebpr.lbr",+ "docs/hero.png",+ "docs/st3241ebpr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "st3241ebpr-hero.glb",+ "st3241ebpr-hero.overlay.json"+ ],+ "component": {+ "mpn": "ST3241EBPR",+ "manufacturer": "STMicroelectronics",+ "package": "SSOP-28-208mil",+ "pin_count": 28,+ "category": "Interface",+ "subcategory": "RS232 ICs",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588902855277760512",+ "parts": {+ "symbol": "st3241ebpr.kicad_sym",+ "footprint": "st3241ebpr.kicad_mod",+ "model_3d": "st3241ebpr-hero.glb",+ "model_3d_plain": "st3241ebpr.glb",+ "model_3d_step": "st3241ebpr-etched.step",+ "model_3d_step_plain": "st3241ebpr.step",+ "lbr": "st3241ebpr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2672031",+ "digikey": "497-6997-2-ND",+ "mouser": "511-ST3241EBP"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T19:32:43Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-6997-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "511-ST3241EBP",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "C2+",+ "type": "passive",+ "description": "Positive terminal of the inverting charge pump capacitor (C2 is connected between pins 1 and 2, specified as 0.1 µF to 0.47 µF in the application table depending on VCC)."+ },+ {+ "number": "2",+ "name": "C2-",+ "type": "passive",+ "description": "Negative terminal of the inverting charge pump capacitor."+ },+ {+ "number": "3",+ "name": "V-",+ "type": "power_out",+ "description": "-5.5 V output generated by the charge pump, with an extra negative voltage limit of 7 V magnitude (absolute maximum)."+ },+ {+ "number": "4",+ "name": "R1IN",+ "type": "input",+ "description": "First RS-232 receiver input, with an operating input voltage range of -25 V to 25 V."+ },+ {+ "number": "5",+ "name": "R2IN",+ "type": "input",+ "description": "Second RS-232 receiver input, with an operating input voltage range of -25 V to 25 V."+ },+ {+ "number": "6",+ "name": "R3IN",+ "type": "input",+ "description": "Third RS-232 receiver input, with an operating input voltage range of -25 V to 25 V."+ },+ {+ "number": "7",+ "name": "R4IN",+ "type": "input",+ "description": "Fourth RS-232 receiver input, with an operating input voltage range of -25 V to 25 V."+ },+ {+ "number": "8",+ "name": "R5IN",+ "type": "input",+ "description": "Fifth RS-232 receiver input, with an operating input voltage range of -25 V to 25 V."+ },+ {+ "number": "9",+ "name": "T1OUT",+ "type": "output",+ "description": "First RS-232 transmitter output, with a voltage swing of ±5 V minimum into a 3 kΩ load and short-circuit protection (one output at a time)."+ },+ {+ "number": "10",+ "name": "T2OUT",+ "type": "output",+ "description": "Second RS-232 transmitter output, with a voltage swing of ±5 V minimum into a 3 kΩ load and short-circuit protection (one output at a time)."+ },+ {+ "number": "11",+ "name": "T3OUT",+ "type": "output",+ "description": "Third RS-232 transmitter output, with a voltage swing of ±5 V minimum into a 3 kΩ load and short-circuit protection (one output at a time)."+ },+ {+ "number": "12",+ "name": "T3IN",+ "type": "input",+ "description": "Third transmitter logic input, with a maximum input voltage of 6 V (absolute maximum) and a logic threshold high of 2 V at VCC = 3.3 V."+ },+ {+ "number": "13",+ "name": "T2IN",+ "type": "input",+ "description": "Second transmitter logic input, with a maximum input voltage of 6 V (absolute maximum) and a logic threshold high of 2 V at VCC = 3.3 V."+ },+ {+ "number": "14",+ "name": "T1IN",+ "type": "input",+ "description": "First transmitter logic input, with a maximum input voltage of 6 V (absolute maximum) and a logic threshold high of 2 V at VCC = 3.3 V."+ },+ {+ "number": "15",+ "name": "R5OUT",+ "type": "output",+ "description": "Fifth receiver logic output, with output voltage high of VCC - 0.1 V minimum at IOUT = -1 mA."+ },+ {+ "number": "16",+ "name": "R4OUT",+ "type": "output",+ "description": "Fourth receiver logic output, with output voltage high of VCC - 0.1 V minimum at IOUT = -1 mA."+ },+ {+ "number": "17",+ "name": "R3OUT",+ "type": "output",+ "description": "Third receiver logic output, with output voltage high of VCC - 0.1 V minimum at IOUT = -1 mA."+ },+ {+ "number": "18",+ "name": "R2OUT",+ "type": "output",+ "description": "Second receiver logic output, which is always active to provide the wake-up function for the serial port."+ },+ {+ "number": "19",+ "name": "R1OUT",+ "type": "output",+ "description": "First receiver logic output, with output voltage low of 0.4 V maximum at IOUT = 1.6 mA."+ },+ {+ "number": "20",+ "name": "R2OUTB",+ "type": "output",+ "description": "Non-inverting complementary receiver output, always active for wake-up."+ },+ {+ "number": "21",+ "name": "R1OUTB",+ "type": "output",+ "description": "Non-inverting complementary receiver output, always active for wake-up."+ },+ {+ "number": "22",+ "name": "SHDN",+ "type": "input",+ "description": "Shutdown control input, active low, with a logic threshold low of 0.8 V maximum."+ },+ {+ "number": "23",+ "name": "EN",+ "type": "input",+ "description": "Receiver enable input, active low, with a logic threshold low of 0.8 V maximum."+ },+ {+ "number": "24",+ "name": "C1-",+ "type": "passive",+ "description": "Negative terminal of the voltage-doubler charge pump capacitor."+ },+ {+ "number": "25",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for the device."+ },+ {+ "number": "26",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage, specified from 3 V to 5.5 V."+ },+ {+ "number": "27",+ "name": "V+",+ "type": "power_out",+ "description": "+5.5 V output generated by the charge pump, with an extra positive voltage limit of 7 V magnitude (absolute maximum)."+ },+ {+ "number": "28",+ "name": "C1+",+ "type": "passive",+ "description": "Positive terminal of the voltage-doubler charge pump capacitor."+ }+ ],+ "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: Pin 2 (C2-) and pin 24 (C1-) are charge pump capacitor terminals with no explicit ERC pin type in th; The datasheet pin table is for both the ST3241EB and ST3241EC; the ordering table lists ST3241EBPR a; Table 2 (shutdown/enable truth table) is garbled in the extracted text; its logic values were not us"+ ],+ "pages_sent": 14,+ "cost_usd": 0.0584,+ "at": "2026-10-08T19:31:45"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588902855277760512",+ "pages": 14,+ "sha256": "3aa1c70966b2daf6",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 28,+ "described": 28,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "st3241ebpr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7.8,+ 10.2,+ 2.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "st3241ebpr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7.8,+ 10.2,+ 2.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "aade3f41844879766a2cf80fcb7a75fe0d7b716aa5ddc0aa0d6cf4066e76456d",+ "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]"+ }+}