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MAX3444EASA+T
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Analog Devices Inc Maxim Integrated Ethernet Transceivers, SOIC-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# MAX3444EASA+T++**Analog Devices Inc Maxim Integrated** · Ethernet Transceivers · SOIC-8++MAX3444EASA+T from Analog Devices Inc Maxim Integrated, 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 | VCC | power_in | Positive power supply; rated +4.75V to +5.25V. |+| 2 | TXD | input | J1708 transmit input; logic-low drives A and B to dominant state, logic-high to recessive state. |+| 3 | GND | power_in | Ground reference. |+| 4 | DE | input | Driver enable control input; pull low to enable driver output on A and B, pull high for high-impedance output. |+| 5 | RE | input | Receiver enable control input; pull low to enable receiver output RO, pull high to disable or for shutdown mode. |+| 6 | RO | output | Receiver output; high when (A−B) ≥ −50mV and receiver enabled, low when (A−B) ≤ −200mV and receiver enabled. |+| 7 | A | tri_state | Noninverting differential bus line for J1708/RS-485 communication; driven by driver when enabled, received by receiver, or high-impedance when disabled; withstands ±60V fault protection. |+| 8 | B | tri_state | Inverting differential bus line for J1708/RS-485 communication; driven by driver when enabled, received by receiver, or high-impedance when disabled; withstands ±60V fault protection. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Analog Devices Inc Maxim Integrated |+| Package | SOIC-8 |+| Category | Interface |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `MAX3444EASA+T`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `max3444easa-t-etched.step` / `max3444easa-t-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `max3444easa-t.step` / `max3444easa-t.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Analog Devices Inc Maxim Integrated datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600609377006850048) (19 pp, sha256 `200c60b95dbac71f`, retrieved 2026-09-29, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/max3444easa-t-datasheet.pdf)
page.jsonadded+144@@ -0,0 +1,144 @@+{+ "slug": "max3444easa-t",+ "version": "0.1.0",+ "type": "component",+ "description": "Analog Devices Inc Maxim Integrated Ethernet Transceivers, SOIC-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "max3444easa+t",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "max3444easa-t.kicad_sym",+ "max3444easa-t.kicad_mod",+ "max3444easa-t.glb",+ "max3444easa-t.step",+ "max3444easa-t.lbr",+ "docs/hero.png",+ "docs/max3444easa-t-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "MAX3444EASA+T",+ "manufacturer": "Analog Devices Inc Maxim Integrated",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Interface",+ "subcategory": "Ethernet Transceivers",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600609377006850048",+ "parts": {+ "symbol": "max3444easa-t.kicad_sym",+ "footprint": "max3444easa-t.kicad_mod",+ "model_3d": "max3444easa-t-etched.glb",+ "model_3d_plain": "max3444easa-t.glb",+ "model_3d_step": "max3444easa-t-etched.step",+ "model_3d_step_plain": "max3444easa-t.step",+ "lbr": "max3444easa-t.lbr"+ },+ "distributor_links": {+ "lcsc": "C7451818",+ "digikey": "MAX3444EASA+T-ND",+ "mouser": "700-MAX3444EASAT"+ },+ "distributor_check": {+ "checked_at": "2026-09-29T17:03:26Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "MAX3444EASA+T-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "700-MAX3444EASAT",+ "status": "found",+ "lifecycle": "Restricted Availability"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive power supply; rated +4.75V to +5.25V."+ },+ {+ "number": "2",+ "name": "TXD",+ "type": "input",+ "description": "J1708 transmit input; logic-low drives A and B to dominant state, logic-high to recessive state."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference."+ },+ {+ "number": "4",+ "name": "DE",+ "type": "input",+ "description": "Driver enable control input; pull low to enable driver output on A and B, pull high for high-impedance output."+ },+ {+ "number": "5",+ "name": "RE",+ "type": "input",+ "description": "Receiver enable control input; pull low to enable receiver output RO, pull high to disable or for shutdown mode."+ },+ {+ "number": "6",+ "name": "RO",+ "type": "output",+ "description": "Receiver output; high when (A−B) ≥ −50mV and receiver enabled, low when (A−B) ≤ −200mV and receiver enabled."+ },+ {+ "number": "7",+ "name": "A",+ "type": "tri_state",+ "description": "Noninverting differential bus line for J1708/RS-485 communication; driven by driver when enabled, received by receiver, or high-impedance when disabled; withstands ±60V fault protection."+ },+ {+ "number": "8",+ "name": "B",+ "type": "tri_state",+ "description": "Inverting differential bus line for J1708/RS-485 communication; driven by driver when enabled, received by receiver, or high-impedance when disabled; withstands ±60V fault protection."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600609377006850048",+ "pages": 19,+ "sha256": "200c60b95dbac71f",+ "source_tier": "lcsc"+ },+ "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]"+ }+}