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SN74CB3T3245PWR
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Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+56@@ -0,0 +1,56 @@+# SN74CB3T3245PWR++**Texas Instruments** · Signal Switches, Multiplexers, Decoders · TSSOP-20++SN74CB3T3245PWR from Texas Instruments, in a TSSOP-20. 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 | NC | unconnected | Not internally connected. |+| 2 | A1 | bidirectional | Switch 1A terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 3 | A2 | bidirectional | Switch 2A terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 4 | A3 | bidirectional | Switch 3A terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 5 | A4 | bidirectional | Switch 4A terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 6 | A5 | bidirectional | Switch 5A terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 7 | A6 | bidirectional | Switch 6A terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 8 | A7 | bidirectional | Switch 7A terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 9 | A8 | bidirectional | Switch 8A terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 10 | GND | power_in | Ground reference supporting ±100mA continuous current. |+| 11 | B8 | bidirectional | Switch 8B terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 12 | B7 | bidirectional | Switch 7B terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 13 | B6 | bidirectional | Switch 6B terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 14 | B5 | bidirectional | Switch 5B terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 15 | B4 | bidirectional | Switch 4B terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 16 | B3 | bidirectional | Switch 3B terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 17 | B2 | bidirectional | Switch 2B terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 18 | B1 | bidirectional | Switch 1B terminal supporting 0 to 5V data I/O with near-zero propagation delay. |+| 19 | OE | input | Output enable input, active low; connects A to B bus ports when low, disconnects when high. |+| 20 | VCC | power_in | Power supply voltage, 2.3V to 3.6V recommended operating range. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-20 |+| Category | Logic |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `SN74CB3T3245PWR`+- Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm`+- 3D model: TSSOP-20 (KiCad packages3D, STEP)+- 3D model files: `sn74cb3t3245pwr-etched.step` / `sn74cb3t3245pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74cb3t3245pwr.step` / `sn74cb3t3245pwr.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/sn74cb3t3245.pdf) (30 pp, sha256 `be4bb22c4c003319`, retrieved 2026-09-26, tier: manufacturer)+- **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/sn74cb3t3245pwr-datasheet.pdf)
page.jsonadded+227@@ -0,0 +1,227 @@+{+ "slug": "sn74cb3t3245pwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-20. 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connects A to B bus ports when low, disconnects when high."+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "Power supply voltage, 2.3V to 3.6V recommended operating range."+ }+ ],+ "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": 30,+ "cost_usd": 0.2602,+ "at": "2026-09-26T21:48:09"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/sn74cb3t3245.pdf",+ "pages": 30,+ "sha256": "be4bb22c4c003319",+ "source_tier": "mfr"+ },+ "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]"+ }+}