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SN74LV4051AQPWRQ1
Public Made by Adomby adom
Texas Instruments Analog Switches, Multiplexers, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# SN74LV4051AQPWRQ1++**Texas Instruments** · Analog Switches, Multiplexers · TSSOP-16++SN74LV4051AQPWRQ1 from Texas Instruments, in a TSSOP-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 | Y4 | bidirectional | Channel Y4 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V |+| 2 | Y6 | bidirectional | Channel Y6 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V |+| 3 | COM | bidirectional | Common output of mux or input when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V |+| 4 | Y7 | bidirectional | Channel Y7 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V |+| 5 | Y5 | bidirectional | Channel Y5 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V |+| 6 | INH | input | Inhibit control input; logic low enables outputs on, logic high disables outputs off, VCC = 1.65 to 5.5 V |+| 7 | GND | power_in | Ground, 0 V reference |+| 8 | GND | power_in | Ground, 0 V reference |+| 9 | C | input | Selector line C for address decoding, 0 to VCC voltage range |+| 10 | B | input | Selector line B for address decoding, 0 to VCC voltage range |+| 11 | A | input | Selector line A for address decoding, 0 to VCC voltage range |+| 12 | Y3 | bidirectional | Channel Y3 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V |+| 13 | Y0 | bidirectional | Channel Y0 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V |+| 14 | Y1 | bidirectional | Channel Y1 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V |+| 15 | Y2 | bidirectional | Channel Y2 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V |+| 16 | VCC | power_in | Device power supply input, 1.65 V to 5.5 V operating range |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-16 |+| Category | Interface |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `SN74LV4051AQPWRQ1`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (KiCad packages3D, STEP)+- 3D model files: `sn74lv4051aqpwrq1-etched.step` / `sn74lv4051aqpwrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lv4051aqpwrq1.step` / `sn74lv4051aqpwrq1.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/sn74lv4051a-q1) (32 pp, sha256 `58c28e5145195727`, 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/sn74lv4051aqpwrq1-datasheet.pdf)
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logic low enables outputs on, logic high disables outputs off, VCC = 1.65 to 5.5 V"+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Ground, 0 V reference"+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground, 0 V reference"+ },+ {+ "number": "9",+ "name": "C",+ "type": "input",+ "description": "Selector line C for address decoding, 0 to VCC voltage range"+ },+ {+ "number": "10",+ "name": "B",+ "type": "input",+ "description": "Selector line B for address decoding, 0 to VCC voltage range"+ },+ {+ "number": "11",+ "name": "A",+ "type": "input",+ "description": "Selector line A for address decoding, 0 to VCC voltage range"+ },+ {+ "number": "12",+ "name": "Y3",+ "type": "bidirectional",+ "description": "Channel Y3 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V"+ },+ {+ "number": "13",+ "name": "Y0",+ "type": "bidirectional",+ "description": "Channel Y0 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V"+ },+ {+ "number": "14",+ "name": "Y1",+ "type": "bidirectional",+ "description": "Channel Y1 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V"+ },+ {+ "number": "15",+ "name": "Y2",+ "type": "bidirectional",+ "description": "Channel Y2 input to mux or output when used as demultiplexer, 0 to VCC voltage range, peak signal amplitude to 5.5 V"+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Device power supply input, 1.65 V to 5.5 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": 32,+ "cost_usd": 0.1385,+ "at": "2026-10-07T07:13:06"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/sn74lv4051a-q1",+ "pages": 32,+ "sha256": "58c28e5145195727",+ "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"+ },+ "models_3d": [+ {+ "file": "sn74lv4051aqpwrq1.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "sn74lv4051aqpwrq1-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5,+ 1.1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "7cca0df3218bc321c49bf0dc56a6d810dd1a1125b70910281d6f183e0902948f",+ "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]"+ }+}