component
74AVCH4T245BQ
Public Made by Adomby adom
Nexperia Translators, Level Shifters, DHVQFN-16-EP(2.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# 74AVCH4T245BQ++**Nexperia** · Translators, Level Shifters · DHVQFN-16-EP(2.5x3.5)++74AVCH4T245BQ from Nexperia, in a DHVQFN-16-EP(2.5x3.5). 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(A) | power_in | Supply voltage A (0.8 V to 3.6 V); references nAn, nOE, and nDIR inputs. |+| 2 | 1DIR | input | Direction control input for first transceiver; HIGH enables A to B transmission, LOW enables B to A transmission; referenced to VCC(A). |+| 3 | 2DIR | input | Direction control input for second transceiver; HIGH enables A to B transmission, LOW enables B to A transmission; referenced to VCC(A). |+| 4 | 1A1 | bidirectional | Data input/output of first A-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(A). |+| 5 | 1A2 | bidirectional | Data input/output of first A-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(A). |+| 6 | 2A1 | bidirectional | Data input/output of second A-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(A). |+| 7 | 2A2 | bidirectional | Data input/output of second A-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(A). |+| 8 | GND | power_in | Ground (0 V); all GND pins must be connected to ground. |+| 9 | GND | power_in | Ground (0 V); all GND pins must be connected to ground. |+| 10 | 2B2 | bidirectional | Data input/output of second B-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(B). |+| 11 | 2B1 | bidirectional | Data input/output of second B-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(B). |+| 12 | 1B2 | bidirectional | Data input/output of first B-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(B). |+| 13 | 1B1 | bidirectional | Data input/output of first B-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(B). |+| 14 | 2OE | input | Output enable input (active LOW) for second transceiver; HIGH places outputs in high-impedance OFF-state; referenced to VCC(A). |+| 15 | 1OE | input | Output enable input (active LOW) for first transceiver; HIGH places outputs in high-impedance OFF-state; referenced to VCC(A). |+| 16 | VCC(B) | power_in | Supply voltage B (0.8 V to 3.6 V); references nBn inputs. |+| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Nexperia |+| Package | DHVQFN-16-EP(2.5x3.5) |+| Category | Logic |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `74AVCH4T245BQ`+- Footprint: `Package_DFN_QFN:DHVQFN-16-1EP_2.5x3.5mm_P0.5mm_EP1x2mm`+- 3D model: DHVQFN-16-EP(2.5x3.5), generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal VQFN height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)+- 3D model files: `74avch4t245bq-etched.step` / `74avch4t245bq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74avch4t245bq.step` / `74avch4t245bq.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Nexperia datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912993412898816) (26 pp, sha256 `594cbbc08d3597d2`, retrieved 2026-10-01, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/74avch4t245bq-datasheet.pdf)
page.jsonadded+207@@ -0,0 +1,207 @@+{+ "slug": "74avch4t245bq",+ "version": "0.1.0",+ "type": "component",+ "description": "Nexperia Translators, Level Shifters, DHVQFN-16-EP(2.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "74avch4t245bq",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "74avch4t245bq.kicad_sym",+ "74avch4t245bq.kicad_mod",+ "74avch4t245bq.glb",+ "74avch4t245bq.step",+ "74avch4t245bq.lbr",+ "docs/hero.png",+ "docs/74avch4t245bq-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "74AVCH4T245BQ",+ "manufacturer": "Nexperia",+ "package": "DHVQFN-16-EP(2.5x3.5)",+ "pin_count": 17,+ "category": "Logic",+ "subcategory": "Translators, Level Shifters",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912993412898816",+ "parts": {+ "symbol": "74avch4t245bq.kicad_sym",+ "footprint": "74avch4t245bq.kicad_mod",+ "model_3d": "74avch4t245bq-etched.glb",+ "model_3d_plain": "74avch4t245bq.glb",+ "model_3d_step": "74avch4t245bq-etched.step",+ "model_3d_step_plain": "74avch4t245bq.step",+ "lbr": "74avch4t245bq.lbr"+ },+ "distributor_links": {+ "lcsc": "C546297"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T17:25:28Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VCC(A)",+ "type": "power_in",+ "description": "Supply voltage A (0.8 V to 3.6 V); references nAn, nOE, and nDIR inputs."+ },+ {+ "number": "2",+ "name": "1DIR",+ "type": "input",+ "description": "Direction control input for first transceiver; HIGH enables A to B transmission, LOW enables B to A transmission; referenced to VCC(A)."+ },+ {+ "number": "3",+ "name": "2DIR",+ "type": "input",+ "description": "Direction control input for second transceiver; HIGH enables A to B transmission, LOW enables B to A transmission; referenced to VCC(A)."+ },+ {+ "number": "4",+ "name": "1A1",+ "type": "bidirectional",+ "description": "Data input/output of first A-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(A)."+ },+ {+ "number": "5",+ "name": "1A2",+ "type": "bidirectional",+ "description": "Data input/output of first A-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(A)."+ },+ {+ "number": "6",+ "name": "2A1",+ "type": "bidirectional",+ "description": "Data input/output of second A-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(A)."+ },+ {+ "number": "7",+ "name": "2A2",+ "type": "bidirectional",+ "description": "Data input/output of second A-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(A)."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground (0 V); all GND pins must be connected to ground."+ },+ {+ "number": "9",+ "name": "GND",+ "type": "power_in",+ "description": "Ground (0 V); all GND pins must be connected to ground."+ },+ {+ "number": "10",+ "name": "2B2",+ "type": "bidirectional",+ "description": "Data input/output of second B-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(B)."+ },+ {+ "number": "11",+ "name": "2B1",+ "type": "bidirectional",+ "description": "Data input/output of second B-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(B)."+ },+ {+ "number": "12",+ "name": "1B2",+ "type": "bidirectional",+ "description": "Data input/output of first B-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(B)."+ },+ {+ "number": "13",+ "name": "1B1",+ "type": "bidirectional",+ "description": "Data input/output of first B-port; bidirectional transceiver terminal with bus hold circuit; accepts voltages up to 3.6 V; referenced to VCC(B)."+ },+ {+ "number": "14",+ "name": "2OE",+ "type": "input",+ "description": "Output enable input (active LOW) for second transceiver; HIGH places outputs in high-impedance OFF-state; referenced to VCC(A)."+ },+ {+ "number": "15",+ "name": "1OE",+ "type": "input",+ "description": "Output enable input (active LOW) for first transceiver; HIGH places outputs in high-impedance OFF-state; referenced to VCC(A)."+ },+ {+ "number": "16",+ "name": "VCC(B)",+ "type": "power_in",+ "description": "Supply voltage B (0.8 V to 3.6 V); references nBn inputs."+ },+ {+ "number": "17",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 26,+ "cost_usd": 0.352,+ "at": "2026-10-01T17:25:06"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912993412898816",+ "pages": 26,+ "sha256": "594cbbc08d3597d2",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 17,+ "described": 17,+ "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]"+ }+}