component
MAX3223EIDBR
Public Made by Adomby adom
Texas Instruments RS232 ICs, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+57@@ -0,0 +1,57 @@+# MAX3223EIDBR++**Texas Instruments** · RS232 ICs · SSOP-20-208mil++MAX3223EIDBR from Texas Instruments, in a SSOP-20-208mil. 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 | EN | input | Receiver enable input; high level puts receiver outputs in high impedance, low level enables them (input high level 2 V at VCC 3.3 V, 2.4 V at 5 V, max 5.5 V). |+| 2 | C1+ | passive | Positive terminal of charge-pump capacitor C1 (0.1 µF at VCC 3.3 V, 0.047 µF at 5 V). |+| 3 | V+ | power_out | Positive charge-pump output supply for RS-232 levels, bypassed with a capacitor to GND; abs max 7 V. |+| 4 | C1− | passive | Negative terminal of charge-pump capacitor C1. |+| 5 | C2+ | passive | Positive terminal of charge-pump capacitor C2. |+| 6 | C2− | passive | Negative terminal of charge-pump capacitor C2. |+| 7 | V− | power_out | Negative charge-pump output supply for RS-232 levels, bypassed with a capacitor to GND; abs max −7 V. |+| 8 | DOUT2 | output | RS-232 driver 2 output with ±15 kV HBM ESD protection; output swing at least ±5 V into 3 kΩ. |+| 9 | RIN2 | input | RS-232 receiver 2 input with ±15 kV HBM ESD protection, input range ±25 V, 5 kΩ nominal input resistance. |+| 10 | ROUT2 | output | Logic-level receiver 2 output, high-impedance when EN is high. |+| 11 | INVALID | output | Valid-signal flag: high when any receiver input is beyond ±2.7 V or in the ±0.3 V band for less than 30 µs, low if within ±0.3 V for more than 30 µs. |+| 12 | DIN2 | input | Logic input for driver 2 (input high level 2 V at VCC 3.3 V, 2.4 V at 5 V, max 5.5 V). |+| 13 | DIN1 | input | Logic input for driver 1 (input high level 2 V at VCC 3.3 V, 2.4 V at 5 V, max 5.5 V). |+| 14 | FORCEON | input | Drives auto-powerdown control: low with FORCEOFF high enables auto-powerdown, high with FORCEOFF high disables it. |+| 15 | ROUT1 | output | Logic-level receiver 1 output, high-impedance when EN is high. |+| 16 | RIN1 | input | RS-232 receiver 1 input with ±15 kV HBM ESD protection, input range ±25 V, 5 kΩ nominal input resistance. |+| 17 | DOUT1 | output | RS-232 driver 1 output with ±15 kV HBM ESD protection; output swing at least ±5 V into 3 kΩ. |+| 18 | GND | power_in | Ground. |+| 19 | VCC | power_in | Supply voltage, 3 V to 3.6 V or 4.5 V to 5.5 V recommended (abs max 6 V), bypassed with a ceramic capacitor. |+| 20 | FORCEOFF | input | Low level powers off drivers (and receivers if EN high) reducing supply current to about 1 µA; high allows operation or auto-powerdown. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SSOP-20-208mil |+| Category | Interface |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `MAX3223EIDBR`+- Footprint: `Package_SO:SSOP-20_5.3x7.2mm_P0.65mm`+- 3D model: SSOP-20-208mil (KiCad packages3D, STEP)+- 3D model files: `max3223eidbr-etched.step` / `max3223eidbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `max3223eidbr.step` / `max3223eidbr.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/max3223e) (28 pp, sha256 `45ca048c81e9b2a5`, retrieved 2026-10-07, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/max3223eidbr-datasheet.pdf)
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high level puts receiver outputs in high impedance, low level enables them (input high level 2 V at VCC 3.3 V, 2.4 V at 5 V, max 5.5 V)."+ },+ {+ "number": "2",+ "name": "C1+",+ "type": "passive",+ "description": "Positive terminal of charge-pump capacitor C1 (0.1 µF at VCC 3.3 V, 0.047 µF at 5 V)."+ },+ {+ "number": "3",+ "name": "V+",+ "type": "power_out",+ "description": "Positive charge-pump output supply for RS-232 levels, bypassed with a capacitor to GND; abs max 7 V."+ },+ {+ "number": "4",+ "name": "C1−",+ "type": "passive",+ "description": "Negative terminal of charge-pump capacitor C1."+ },+ {+ "number": "5",+ "name": "C2+",+ "type": "passive",+ "description": "Positive terminal of charge-pump capacitor C2."+ },+ {+ "number": "6",+ "name": "C2−",+ "type": "passive",+ "description": "Negative terminal of charge-pump capacitor C2."+ },+ {+ "number": "7",+ "name": "V−",+ "type": "power_out",+ "description": "Negative charge-pump output supply for RS-232 levels, bypassed with a capacitor to GND; abs max −7 V."+ },+ {+ "number": "8",+ "name": "DOUT2",+ "type": "output",+ "description": "RS-232 driver 2 output with ±15 kV HBM ESD protection; output swing at least ±5 V into 3 kΩ."+ },+ {+ "number": "9",+ "name": "RIN2",+ "type": "input",+ "description": "RS-232 receiver 2 input with ±15 kV HBM ESD protection, input range ±25 V, 5 kΩ nominal input resistance."+ },+ {+ "number": "10",+ "name": "ROUT2",+ "type": "output",+ "description": "Logic-level receiver 2 output, high-impedance when EN is high."+ },+ {+ "number": "11",+ "name": "INVALID",+ "type": "output",+ "description": "Valid-signal flag: high when any receiver input is beyond ±2.7 V or in the ±0.3 V band for less than 30 µs, low if within ±0.3 V for more than 30 µs."+ },+ {+ "number": "12",+ "name": "DIN2",+ "type": "input",+ "description": "Logic input for driver 2 (input high level 2 V at VCC 3.3 V, 2.4 V at 5 V, max 5.5 V)."+ },+ {+ "number": "13",+ "name": "DIN1",+ "type": "input",+ "description": "Logic input for driver 1 (input high level 2 V at VCC 3.3 V, 2.4 V at 5 V, max 5.5 V)."+ },+ {+ "number": "14",+ "name": "FORCEON",+ "type": "input",+ "description": "Drives auto-powerdown control: low with FORCEOFF high enables auto-powerdown, high with FORCEOFF high disables it."+ },+ {+ "number": "15",+ "name": "ROUT1",+ "type": "output",+ "description": "Logic-level receiver 1 output, high-impedance when EN is high."+ },+ {+ "number": "16",+ "name": "RIN1",+ "type": "input",+ "description": "RS-232 receiver 1 input with ±15 kV HBM ESD protection, input range ±25 V, 5 kΩ nominal input resistance."+ },+ {+ "number": "17",+ "name": "DOUT1",+ "type": "output",+ "description": "RS-232 driver 1 output with ±15 kV HBM ESD protection; output swing at least ±5 V into 3 kΩ."+ },+ {+ "number": "18",+ "name": "GND",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "19",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage, 3 V to 3.6 V or 4.5 V to 5.5 V recommended (abs max 6 V), bypassed with a ceramic capacitor."+ },+ {+ "number": "20",+ "name": "FORCEOFF",+ "type": "input",+ "description": "Low level powers off drivers (and receivers if EN high) reducing supply current to about 1 µA; high allows operation or auto-powerdown."+ }+ ],+ "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": 28,+ "cost_usd": 0.2044,+ "at": "2026-10-07T09:12:25"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/max3223e",+ "pages": 28,+ "sha256": "45ca048c81e9b2a5",+ "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"+ },+ "models_3d": [+ {+ "file": "max3223eidbr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7.8,+ 7.2,+ 2.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "c9a01a276d0b4d9561efd58f2fcee56f52c1b6ab464ea7a0380cab4e87a924e6",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "max3223eidbr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7.8,+ 7.2,+ 2.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "894ba150717fae6a8ad1153f6e84bd87c5c0a3a787faf48042f6836a67f1a9f7",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}