component
DS34LV87TM
Public Made by Adomby adom
Texas Instruments RS-485 / RS-422 ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# DS34LV87TM++**Texas Instruments** · RS-485 / RS-422 ICs · SOIC-16++DS34LV87TM from Texas Instruments, in a SOIC-16. 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 | DI1 | input | Driver 1 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |+| 2 | DO1+ | output | Driver 1 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |+| 3 | DO1- | output | Driver 1 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |+| 4 | EN | input | Enable input for drivers 1 and 2; outputs are TRI-STATE when low and active when high. |+| 5 | DO2- | output | Driver 2 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |+| 6 | DO2+ | output | Driver 2 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |+| 7 | DI2 | input | Driver 2 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |+| 8 | GND | power_in | Ground reference for the device. |+| 9 | DI3 | input | Driver 3 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |+| 10 | DO3+ | output | Driver 3 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |+| 11 | DO3- | output | Driver 3 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |+| 12 | EN | input | Enable input for drivers 3 and 4; outputs are TRI-STATE when low and active when high. |+| 13 | DO4- | output | Driver 4 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |+| 14 | DO4+ | output | Driver 4 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM). |+| 15 | DI4 | input | Driver 4 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes. |+| 16 | VCC | power_in | Supply voltage of 3.0V to 3.6V (3.3V typical), with 0.1 µF in parallel with 0.01 µF bypass recommended. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Interface |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `DS34LV87TM`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `ds34lv87tm-etched.step` / `ds34lv87tm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ds34lv87tm.step` / `ds34lv87tm.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/ds34lv87t) (15 pp, sha256 `f24d19802fb8c798`, retrieved 2026-10-06, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/ds34lv87tm-datasheet.pdf)
page.jsonadded+210@@ -0,0 +1,210 @@+{+ "slug": "ds34lv87tm",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments RS-485 / RS-422 ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "ds34lv87tm",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ds34lv87tm.kicad_sym",+ "ds34lv87tm.kicad_mod",+ "ds34lv87tm.glb",+ "ds34lv87tm.step",+ "ds34lv87tm.lbr",+ "docs/hero.png",+ "docs/ds34lv87tm-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ds34lv87tm-hero.glb",+ "ds34lv87tm-hero.overlay.json"+ ],+ "component": {+ "mpn": "DS34LV87TM",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "Interface",+ "subcategory": "RS-485 / RS-422 ICs",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ds34lv87t",+ "parts": {+ "symbol": "ds34lv87tm.kicad_sym",+ "footprint": "ds34lv87tm.kicad_mod",+ "model_3d": "ds34lv87tm-hero.glb",+ "model_3d_plain": "ds34lv87tm.glb",+ "model_3d_step": "ds34lv87tm-etched.step",+ "model_3d_step_plain": "ds34lv87tm.step",+ "lbr": "ds34lv87tm.lbr"+ },+ "distributor_links": {+ "lcsc": 1543778,+ "digikey": "DS34LV87TM-ND",+ "mouser": "926-DS34LV87TM"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T03:53:45Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "DS34LV87TM-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-DS34LV87TM",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "DI1",+ "type": "input",+ "description": "Driver 1 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes."+ },+ {+ "number": "2",+ "name": "DO1+",+ "type": "output",+ "description": "Driver 1 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."+ },+ {+ "number": "3",+ "name": "DO1-",+ "type": "output",+ "description": "Driver 1 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."+ },+ {+ "number": "4",+ "name": "EN",+ "type": "input",+ "description": "Enable input for drivers 1 and 2; outputs are TRI-STATE when low and active when high."+ },+ {+ "number": "5",+ "name": "DO2-",+ "type": "output",+ "description": "Driver 2 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."+ },+ {+ "number": "6",+ "name": "DO2+",+ "type": "output",+ "description": "Driver 2 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."+ },+ {+ "number": "7",+ "name": "DI2",+ "type": "input",+ "description": "Driver 2 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for the device."+ },+ {+ "number": "9",+ "name": "DI3",+ "type": "input",+ "description": "Driver 3 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes."+ },+ {+ "number": "10",+ "name": "DO3+",+ "type": "output",+ "description": "Driver 3 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."+ },+ {+ "number": "11",+ "name": "DO3-",+ "type": "output",+ "description": "Driver 3 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."+ },+ {+ "number": "12",+ "name": "EN",+ "type": "input",+ "description": "Enable input for drivers 3 and 4; outputs are TRI-STATE when low and active when high."+ },+ {+ "number": "13",+ "name": "DO4-",+ "type": "output",+ "description": "Driver 4 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."+ },+ {+ "number": "14",+ "name": "DO4+",+ "type": "output",+ "description": "Driver 4 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."+ },+ {+ "number": "15",+ "name": "DI4",+ "type": "input",+ "description": "Driver 4 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage of 3.0V to 3.6V (3.3V typical), with 0.1 µF in parallel with 0.01 µF bypass recommended."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-sonnet-5-5",+ "primary_mode": "text+vision",+ "consensus_model": "claude-opus-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Pins 4 and 12 are both named EN; the connection diagram shows pin 4 driving drivers D1/D2 and pin 12",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 15,+ "cost_usd": 0.3002,+ "at": "2026-10-06T03:53:29"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ds34lv87t",+ "pages": 15,+ "sha256": "f24d19802fb8c798",+ "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]"+ }+}