component
SN74CBTLV3251DR
Public Made by Adomby adom
Texas Instruments Analog Switches, Multiplexers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+52@@ -0,0 +1,52 @@+# SN74CBTLV3251DR++**Texas Instruments** · Analog Switches, Multiplexers · SOIC-16++SN74CBTLV3251DR 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 | B4 | bidirectional | Bidirectional data I/O for multiplexer channel 4, connected to A through 5Ω FET switch when selected. |+| 2 | B3 | bidirectional | Bidirectional data I/O for multiplexer channel 3, connected to A through 5Ω FET switch when selected. |+| 3 | B2 | bidirectional | Bidirectional data I/O for multiplexer channel 2, connected to A through 5Ω FET switch when selected. |+| 4 | B1 | bidirectional | Bidirectional data I/O for multiplexer channel 1, connected to A through 5Ω FET switch when selected. |+| 5 | A | bidirectional | Common bidirectional data port connected to one of eight B channels through 5Ω FET switch as determined by S0:S2 address inputs. |+| 6 | NC | unconnected | No internal connection. |+| 7 | OE | input | Output enable control input, active low; places all channels in high-impedance state when high. |+| 8 | GND | power_in | Ground reference. |+| 9 | S2 | input | Multiplexer address select input bit 2. |+| 10 | S1 | input | Multiplexer address select input bit 1. |+| 11 | S0 | input | Multiplexer address select input bit 0. |+| 12 | B8 | bidirectional | Bidirectional data I/O for multiplexer channel 8, connected to A through 5Ω FET switch when selected. |+| 13 | B7 | bidirectional | Bidirectional data I/O for multiplexer channel 7, connected to A through 5Ω FET switch when selected. |+| 14 | B6 | bidirectional | Bidirectional data I/O for multiplexer channel 6, connected to A through 5Ω FET switch when selected. |+| 15 | B5 | bidirectional | Bidirectional data I/O for multiplexer channel 5, connected to A through 5Ω FET switch when selected. |+| 16 | VCC | power_out | Positive power supply, 2.3 V to 3.6 V operating range. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Interface |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `SN74CBTLV3251DR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `sn74cbtlv3251dr-etched.step` / `sn74cbtlv3251dr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74cbtlv3251dr.step` / `sn74cbtlv3251dr.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/lit/ds/symlink/sn74cbtlv3251.pdf) (28 pp, sha256 `9df4a01d0f34e23e`, retrieved 2026-10-01, tier: manufacturer)+- **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/sn74cbtlv3251dr-datasheet.pdf)
page.jsonadded+203@@ -0,0 +1,203 @@+{+ "slug": "sn74cbtlv3251dr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Analog Switches, Multiplexers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "sn74cbtlv3251dr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "sn74cbtlv3251dr.kicad_sym",+ "sn74cbtlv3251dr.kicad_mod",+ "sn74cbtlv3251dr.glb",+ "sn74cbtlv3251dr.step",+ "sn74cbtlv3251dr.lbr",+ "docs/hero.png",+ "docs/sn74cbtlv3251dr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "SN74CBTLV3251DR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "Interface",+ "subcategory": "Analog Switches, Multiplexers",+ "datasheet": "https://www.ti.com/lit/ds/symlink/sn74cbtlv3251.pdf",+ "parts": {+ "symbol": "sn74cbtlv3251dr.kicad_sym",+ "footprint": "sn74cbtlv3251dr.kicad_mod",+ "model_3d": "sn74cbtlv3251dr-etched.glb",+ "model_3d_plain": "sn74cbtlv3251dr.glb",+ "model_3d_step": "sn74cbtlv3251dr-etched.step",+ "model_3d_step_plain": "sn74cbtlv3251dr.step",+ "lbr": "sn74cbtlv3251dr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2864088",+ "digikey": "296-9128-2-ND",+ "mouser": "595-SN74CBTLV3251DR"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T02:07:12Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-9128-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-SN74CBTLV3251DR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "B4",+ "type": "bidirectional",+ "description": "Bidirectional data I/O for multiplexer channel 4, connected to A through 5Ω FET switch when selected."+ },+ {+ "number": "2",+ "name": "B3",+ "type": "bidirectional",+ "description": "Bidirectional data I/O for multiplexer channel 3, connected to A through 5Ω FET switch when selected."+ },+ {+ "number": "3",+ "name": "B2",+ "type": "bidirectional",+ "description": "Bidirectional data I/O for multiplexer channel 2, connected to A through 5Ω FET switch when selected."+ },+ {+ "number": "4",+ "name": "B1",+ "type": "bidirectional",+ "description": "Bidirectional data I/O for multiplexer channel 1, connected to A through 5Ω FET switch when selected."+ },+ {+ "number": "5",+ "name": "A",+ "type": "bidirectional",+ "description": "Common bidirectional data port connected to one of eight B channels through 5Ω FET switch as determined by S0:S2 address inputs."+ },+ {+ "number": "6",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "7",+ "name": "OE",+ "type": "input",+ "description": "Output enable control input, active low; places all channels in high-impedance state when high."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference."+ },+ {+ "number": "9",+ "name": "S2",+ "type": "input",+ "description": "Multiplexer address select input bit 2."+ },+ {+ "number": "10",+ "name": "S1",+ "type": "input",+ "description": "Multiplexer address select input bit 1."+ },+ {+ "number": "11",+ "name": "S0",+ "type": "input",+ "description": "Multiplexer address select input bit 0."+ },+ {+ "number": "12",+ "name": "B8",+ "type": "bidirectional",+ "description": "Bidirectional data I/O for multiplexer channel 8, connected to A through 5Ω FET switch when selected."+ },+ {+ "number": "13",+ "name": "B7",+ "type": "bidirectional",+ "description": "Bidirectional data I/O for multiplexer channel 7, connected to A through 5Ω FET switch when selected."+ },+ {+ "number": "14",+ "name": "B6",+ "type": "bidirectional",+ "description": "Bidirectional data I/O for multiplexer channel 6, connected to A through 5Ω FET switch when selected."+ },+ {+ "number": "15",+ "name": "B5",+ "type": "bidirectional",+ "description": "Bidirectional data I/O for multiplexer channel 5, connected to A through 5Ω FET switch when selected."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_out",+ "description": "Positive power supply, 2.3 V to 3.6 V operating range."+ }+ ],+ "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": 0.1598,+ "at": "2026-10-01T02:06:55"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/sn74cbtlv3251.pdf",+ "pages": 28,+ "sha256": "9df4a01d0f34e23e",+ "source_tier": "mfr"+ },+ "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]"+ }+}