component
SN74LVC540ADBR
Public Made by Adomby adom
Texas Instruments Buffers, Drivers, Receivers, Transceivers, 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 @@+# SN74LVC540ADBR++**Texas Instruments** · Buffers, Drivers, Receivers, Transceivers · SSOP-20-208mil++SN74LVC540ADBR 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 | OE1 | input | Output Enable 1 (active-low); when low with OE2 low, enables all outputs |+| 2 | A1 | input | Channel 1 input |+| 3 | A2 | input | Channel 2 input |+| 4 | A3 | input | Channel 3 input |+| 5 | A4 | input | Channel 4 input |+| 6 | A5 | input | Channel 5 input |+| 7 | A6 | input | Channel 6 input |+| 8 | A7 | input | Channel 7 input |+| 9 | A8 | input | Channel 8 input |+| 10 | GND | power_in | Ground |+| 11 | Y8 | tri_state | Channel 8 inverted output with tri-state control; high-impedance when OE1 or OE2 is high |+| 12 | Y7 | tri_state | Channel 7 inverted output with tri-state control; high-impedance when OE1 or OE2 is high |+| 13 | Y6 | tri_state | Channel 6 inverted output with tri-state control; high-impedance when OE1 or OE2 is high |+| 14 | Y5 | tri_state | Channel 5 inverted output with tri-state control; high-impedance when OE1 or OE2 is high |+| 15 | Y4 | tri_state | Channel 4 inverted output with tri-state control; high-impedance when OE1 or OE2 is high |+| 16 | Y3 | tri_state | Channel 3 inverted output with tri-state control; high-impedance when OE1 or OE2 is high |+| 17 | Y2 | tri_state | Channel 2 inverted output with tri-state control; high-impedance when OE1 or OE2 is high |+| 18 | Y1 | tri_state | Channel 1 inverted output with tri-state control; high-impedance when OE1 or OE2 is high |+| 19 | OE2 | input | Output Enable 2 (active-low); when low with OE1 low, enables all outputs |+| 20 | VCC | power_in | Positive power supply; recommended operating range 1.65V to 3.6V |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SSOP-20-208mil |+| Category | Logic |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `SN74LVC540ADBR`+- Footprint: `Package_SO:SSOP-20_5.3x7.2mm_P0.65mm`+- 3D model: SSOP-20-208mil (KiCad packages3D, STEP)+- 3D model files: `sn74lvc540adbr-etched.step` / `sn74lvc540adbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lvc540adbr.step` / `sn74lvc540adbr.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/sn74lvc540a) (41 pp, sha256 `5eb81dcb41174d4a`, retrieved 2026-10-03, 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/sn74lvc540adbr-datasheet.pdf)
page.jsonadded+230@@ -0,0 +1,230 @@+{+ "slug": "sn74lvc540adbr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SSOP-20-208mil. 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when low with OE2 low, enables all outputs"+ },+ {+ "number": "2",+ "name": "A1",+ "type": "input",+ "description": "Channel 1 input"+ },+ {+ "number": "3",+ "name": "A2",+ "type": "input",+ "description": "Channel 2 input"+ },+ {+ "number": "4",+ "name": "A3",+ "type": "input",+ "description": "Channel 3 input"+ },+ {+ "number": "5",+ "name": "A4",+ "type": "input",+ "description": "Channel 4 input"+ },+ {+ "number": "6",+ "name": "A5",+ "type": "input",+ "description": "Channel 5 input"+ },+ {+ "number": "7",+ "name": "A6",+ "type": "input",+ "description": "Channel 6 input"+ },+ {+ "number": "8",+ "name": "A7",+ "type": "input",+ "description": "Channel 7 input"+ },+ {+ "number": "9",+ "name": "A8",+ "type": "input",+ "description": "Channel 8 input"+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Ground"+ },+ {+ "number": "11",+ "name": "Y8",+ "type": "tri_state",+ "description": "Channel 8 inverted output with tri-state control; high-impedance when OE1 or OE2 is high"+ },+ {+ "number": "12",+ "name": "Y7",+ "type": "tri_state",+ "description": "Channel 7 inverted output with tri-state control; high-impedance when OE1 or OE2 is high"+ },+ {+ "number": "13",+ "name": "Y6",+ "type": "tri_state",+ "description": "Channel 6 inverted output with tri-state control; high-impedance when OE1 or OE2 is high"+ },+ {+ "number": "14",+ "name": "Y5",+ "type": "tri_state",+ "description": "Channel 5 inverted output with tri-state control; high-impedance when OE1 or OE2 is high"+ },+ {+ "number": "15",+ "name": "Y4",+ "type": "tri_state",+ "description": "Channel 4 inverted output with tri-state control; high-impedance when OE1 or OE2 is high"+ },+ {+ "number": "16",+ "name": "Y3",+ "type": "tri_state",+ "description": "Channel 3 inverted output with tri-state control; high-impedance when OE1 or OE2 is high"+ },+ {+ "number": "17",+ "name": "Y2",+ "type": "tri_state",+ "description": "Channel 2 inverted output with tri-state control; high-impedance when OE1 or OE2 is high"+ },+ {+ "number": "18",+ "name": "Y1",+ "type": "tri_state",+ "description": "Channel 1 inverted output with tri-state control; high-impedance when OE1 or OE2 is high"+ },+ {+ "number": "19",+ "name": "OE2",+ "type": "input",+ "description": "Output Enable 2 (active-low); when low with OE1 low, enables all outputs"+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive power supply; recommended operating range 1.65V to 3.6V"+ }+ ],+ "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": 18,+ "cost_usd": 0.1764,+ "at": "2026-10-03T06:50:29"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/sn74lvc540a",+ "pages": 41,+ "sha256": "5eb81dcb41174d4a",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}