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SN74CBT3384APWR
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+60@@ -0,0 +1,60 @@+# SN74CBT3384APWR++**Texas Instruments** · Signal Switches, Multiplexers, Decoders · TSSOP-24++SN74CBT3384APWR from Texas Instruments, in a TSSOP-24. 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 | 1OE | input | Active-low output enable for the first 5-bit switch; low connects 1A to 1B, high opens the switch (high impedance). |+| 2 | 1B1 | bidirectional | Port B bit 1 of the first 5-bit switch, connected to 1A1 through a 5-Ω switch when 1OE is low. |+| 3 | 1A1 | bidirectional | Port A bit 1 of the first 5-bit switch, connected to 1B1 when 1OE is low. |+| 4 | 1A2 | bidirectional | Port A bit 2 of the first 5-bit switch, connected to 1B2 when 1OE is low. |+| 5 | 1B2 | bidirectional | Port B bit 2 of the first 5-bit switch, connected to 1A2 when 1OE is low. |+| 6 | 1B3 | bidirectional | Port B bit 3 of the first 5-bit switch, connected to 1A3 when 1OE is low. |+| 7 | 1A3 | bidirectional | Port A bit 3 of the first 5-bit switch, connected to 1B3 when 1OE is low. |+| 8 | 1A4 | bidirectional | Port A bit 4 of the first 5-bit switch, connected to 1B4 when 1OE is low. |+| 9 | 1B4 | bidirectional | Port B bit 4 of the first 5-bit switch, connected to 1A4 when 1OE is low. |+| 10 | 1B5 | bidirectional | Port B bit 5 of the first 5-bit switch, connected to 1A5 when 1OE is low. |+| 11 | 1A5 | bidirectional | Port A bit 5 of the first 5-bit switch, connected to 1B5 when 1OE is low. |+| 12 | GND | power_in | Ground. |+| 13 | 2OE | input | Active-low output enable for the second 5-bit switch; low connects 2A to 2B, high opens the switch (high impedance). |+| 14 | 2A1 | bidirectional | Port A bit 1 of the second 5-bit switch, connected to 2B1 when 2OE is low. |+| 15 | 2B1 | bidirectional | Port B bit 1 of the second 5-bit switch, connected to 2A1 when 2OE is low. |+| 16 | 2B2 | bidirectional | Port B bit 2 of the second 5-bit switch, connected to 2A2 when 2OE is low. |+| 17 | 2A2 | bidirectional | Port A bit 2 of the second 5-bit switch, connected to 2B2 when 2OE is low. |+| 18 | 2A3 | bidirectional | Port A bit 3 of the second 5-bit switch, connected to 2B3 when 2OE is low. |+| 19 | 2B3 | bidirectional | Port B bit 3 of the second 5-bit switch, connected to 2A3 when 2OE is low. |+| 20 | 2B4 | bidirectional | Port B bit 4 of the second 5-bit switch, connected to 2A4 when 2OE is low. |+| 21 | 2A4 | bidirectional | Port A bit 4 of the second 5-bit switch, connected to 2B4 when 2OE is low. |+| 22 | 2A5 | bidirectional | Port A bit 5 of the second 5-bit switch, connected to 2B5 when 2OE is low. |+| 23 | 2B5 | bidirectional | Port B bit 5 of the second 5-bit switch, connected to 2A5 when 2OE is low. |+| 24 | VCC | power_in | Supply voltage, recommended 4 V to 5.5 V (absolute maximum −0.5 V to 7 V). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-24 |+| Category | Logic |+| Pins | 24 |++## CAD (KiCad official)++- Symbol: `SN74CBT3384APWR`+- Footprint: `Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm`+- 3D model: TSSOP-24 (KiCad packages3D, STEP)+- 3D model files: `sn74cbt3384apwr-etched.step` / `sn74cbt3384apwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74cbt3384apwr.step` / `sn74cbt3384apwr.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/sn74cbt3384a.pdf) (19 pp, sha256 `5bdd0c6c2aaed403`, retrieved 2026-10-07, 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/sn74cbt3384apwr-datasheet.pdf)
page.jsonadded+297@@ -0,0 +1,297 @@+{+ "slug": "sn74cbt3384apwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "sn74cbt3384apwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "sn74cbt3384apwr.kicad_sym",+ "sn74cbt3384apwr.kicad_mod",+ "sn74cbt3384apwr.glb",+ "sn74cbt3384apwr.step",+ "sn74cbt3384apwr.lbr",+ "docs/hero.png",+ "docs/sn74cbt3384apwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "sn74cbt3384apwr-hero.glb",+ "sn74cbt3384apwr-hero.overlay.json"+ ],+ "component": {+ "mpn": "SN74CBT3384APWR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-24",+ "pin_count": 24,+ "category": "Logic",+ "subcategory": "Signal Switches, Multiplexers, Decoders",+ "datasheet": "https://www.ti.com/lit/ds/symlink/sn74cbt3384a.pdf",+ "parts": {+ "symbol": "sn74cbt3384apwr.kicad_sym",+ "footprint": "sn74cbt3384apwr.kicad_mod",+ "model_3d": "sn74cbt3384apwr-hero.glb",+ "model_3d_plain": "sn74cbt3384apwr.glb",+ "model_3d_step": "sn74cbt3384apwr-etched.step",+ "model_3d_step_plain": "sn74cbt3384apwr.step",+ "lbr": "sn74cbt3384apwr.lbr"+ },+ "distributor_links": {+ "lcsc": "C471045",+ "digikey": "296-1170-2-ND",+ "mouser": "595-SN74CBT3384APWR"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T08:21:05Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-1170-2-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "595-SN74CBT3384APWR",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "1OE",+ "type": "input",+ "description": "Active-low output enable for the first 5-bit switch; low connects 1A to 1B, high opens the switch (high impedance)."+ },+ {+ "number": "2",+ "name": "1B1",+ "type": "bidirectional",+ "description": "Port B bit 1 of the first 5-bit switch, connected to 1A1 through a 5-Ω switch when 1OE is low."+ },+ {+ "number": "3",+ "name": "1A1",+ "type": "bidirectional",+ "description": "Port A bit 1 of the first 5-bit switch, connected to 1B1 when 1OE is low."+ },+ {+ "number": "4",+ "name": "1A2",+ "type": "bidirectional",+ "description": "Port A bit 2 of the first 5-bit switch, connected to 1B2 when 1OE is low."+ },+ {+ "number": "5",+ "name": "1B2",+ "type": "bidirectional",+ "description": "Port B bit 2 of the first 5-bit switch, connected to 1A2 when 1OE is low."+ },+ {+ "number": "6",+ "name": "1B3",+ "type": "bidirectional",+ "description": "Port B bit 3 of the first 5-bit switch, connected to 1A3 when 1OE is low."+ },+ {+ "number": "7",+ "name": "1A3",+ "type": "bidirectional",+ "description": "Port A bit 3 of the first 5-bit switch, connected to 1B3 when 1OE is low."+ },+ {+ "number": "8",+ "name": "1A4",+ "type": "bidirectional",+ "description": "Port A bit 4 of the first 5-bit switch, connected to 1B4 when 1OE is low."+ },+ {+ "number": "9",+ "name": "1B4",+ "type": "bidirectional",+ "description": "Port B bit 4 of the first 5-bit switch, connected to 1A4 when 1OE is low."+ },+ {+ "number": "10",+ "name": "1B5",+ "type": "bidirectional",+ "description": "Port B bit 5 of the first 5-bit switch, connected to 1A5 when 1OE is low."+ },+ {+ "number": "11",+ "name": "1A5",+ "type": "bidirectional",+ "description": "Port A bit 5 of the first 5-bit switch, connected to 1B5 when 1OE is low."+ },+ {+ "number": "12",+ "name": "GND",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "13",+ "name": "2OE",+ "type": "input",+ "description": "Active-low output enable for the second 5-bit switch; low connects 2A to 2B, high opens the switch (high impedance)."+ },+ {+ "number": "14",+ "name": "2A1",+ "type": "bidirectional",+ "description": "Port A bit 1 of the second 5-bit switch, connected to 2B1 when 2OE is low."+ },+ {+ "number": "15",+ "name": "2B1",+ "type": "bidirectional",+ "description": "Port B bit 1 of the second 5-bit switch, connected to 2A1 when 2OE is low."+ },+ {+ "number": "16",+ "name": "2B2",+ "type": "bidirectional",+ "description": "Port B bit 2 of the second 5-bit switch, connected to 2A2 when 2OE is low."+ },+ {+ "number": "17",+ "name": "2A2",+ "type": "bidirectional",+ "description": "Port A bit 2 of the second 5-bit switch, connected to 2B2 when 2OE is low."+ },+ {+ "number": "18",+ "name": "2A3",+ "type": "bidirectional",+ "description": "Port A bit 3 of the second 5-bit switch, connected to 2B3 when 2OE is low."+ },+ {+ "number": "19",+ "name": "2B3",+ "type": "bidirectional",+ "description": "Port B bit 3 of the second 5-bit switch, connected to 2A3 when 2OE is low."+ },+ {+ "number": "20",+ "name": "2B4",+ "type": "bidirectional",+ "description": "Port B bit 4 of the second 5-bit switch, connected to 2A4 when 2OE is low."+ },+ {+ "number": "21",+ "name": "2A4",+ "type": "bidirectional",+ "description": "Port A bit 4 of the second 5-bit switch, connected to 2B4 when 2OE is low."+ },+ {+ "number": "22",+ "name": "2A5",+ "type": "bidirectional",+ "description": "Port A bit 5 of the second 5-bit switch, connected to 2B5 when 2OE is low."+ },+ {+ "number": "23",+ "name": "2B5",+ "type": "bidirectional",+ "description": "Port B bit 5 of the second 5-bit switch, connected to 2A5 when 2OE is low."+ },+ {+ "number": "24",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage, recommended 4 V to 5.5 V (absolute maximum −0.5 V to 7 V)."+ }+ ],+ "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": [+ "extractor flagged: Pin 13 is not explicitly labeled in the pin diagram on page 1. Assignment to 2A4 is inferred from th"+ ],+ "pages_sent": 19,+ "cost_usd": 0.1475,+ "at": "2026-10-07T08:20:45"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/sn74cbt3384a.pdf",+ "pages": 19,+ "sha256": "5bdd0c6c2aaed403",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 24,+ "described": 24,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "sn74cbt3384apwr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 7.8,+ 0.97+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "sn74cbt3384apwr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 7.8,+ 0.97+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "fae8a29bc1360adad9affae5c48d11ee74b1cb300c50236230d1ee03628026a3",+ "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]"+ }+}