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SN74ABT245BPWR
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Texas Instruments Buffers, Drivers, Receivers, Transceivers, 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 @@+# SN74ABT245BPWR++**Texas Instruments** · Buffers, Drivers, Receivers, Transceivers · TSSOP-20++SN74ABT245BPWR 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 | DIR | input | Direction-control input; LOW selects B-bus to A-bus data transfer, HIGH selects A-bus to B-bus data transfer; VIH = 2 V min, VIL = 0.8 V max. |+| 2 | A1 | bidirectional | Port A bidirectional data bus bit 1; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 3 | A2 | bidirectional | Port A bidirectional data bus bit 2; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 4 | A3 | bidirectional | Port A bidirectional data bus bit 3; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 5 | A4 | bidirectional | Port A bidirectional data bus bit 4; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 6 | A5 | bidirectional | Port A bidirectional data bus bit 5; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 7 | A6 | bidirectional | Port A bidirectional data bus bit 6; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 8 | A7 | bidirectional | Port A bidirectional data bus bit 7; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 9 | A8 | bidirectional | Port A bidirectional data bus bit 8; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 10 | GND | power_in | Ground supply reference; 0 V. |+| 11 | B8 | bidirectional | Port B bidirectional data bus bit 8; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 12 | B7 | bidirectional | Port B bidirectional data bus bit 7; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 13 | B6 | bidirectional | Port B bidirectional data bus bit 6; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 14 | B5 | bidirectional | Port B bidirectional data bus bit 5; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 15 | B4 | bidirectional | Port B bidirectional data bus bit 4; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 16 | B3 | bidirectional | Port B bidirectional data bus bit 3; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 17 | B2 | bidirectional | Port B bidirectional data bus bit 2; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 18 | B1 | bidirectional | Port B bidirectional data bus bit 1; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH. |+| 19 | ~OE | input | Active-low output-enable control input; HIGH disables all outputs, isolating both bus ports to high-impedance state; VIH = 2 V min, VIL = 0.8 V max. |+| 20 | VCC | power_in | Positive supply voltage; recommended operating range 4.5 V to 5.5 V, absolute maximum 7 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-20 |+| Category | Logic |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `SN74ABT245BPWR`+- Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm`+- 3D model: TSSOP-20 (KiCad packages3D, STEP)+- 3D model files: `sn74abt245bpwr-etched.step` / `sn74abt245bpwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74abt245bpwr.step` / `sn74abt245bpwr.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/sn74abt245b.pdf) (29 pp, sha256 `28eaa2f354cb3acf`, retrieved 2026-09-27, 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/sn74abt245bpwr-datasheet.pdf)
page.jsonadded+230@@ -0,0 +1,230 @@+{+ "slug": "sn74abt245bpwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "sn74abt245bpwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "sn74abt245bpwr.kicad_sym",+ "sn74abt245bpwr.kicad_mod",+ "sn74abt245bpwr.glb",+ "sn74abt245bpwr.step",+ "sn74abt245bpwr.lbr",+ "docs/hero.png",+ "docs/sn74abt245bpwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "SN74ABT245BPWR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-20",+ "pin_count": 20,+ "category": "Logic",+ "subcategory": "Buffers, Drivers, Receivers, Transceivers",+ "datasheet": "https://www.ti.com/lit/ds/symlink/sn74abt245b.pdf",+ "parts": {+ "symbol": "sn74abt245bpwr.kicad_sym",+ "footprint": "sn74abt245bpwr.kicad_mod",+ "model_3d": "sn74abt245bpwr-etched.glb",+ "model_3d_plain": "sn74abt245bpwr.glb",+ "model_3d_step": "sn74abt245bpwr-etched.step",+ "model_3d_step_plain": "sn74abt245bpwr.step",+ "lbr": "sn74abt245bpwr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2652111",+ "digikey": "296-3971-2-ND",+ "mouser": "595-SN74ABT245BPWR"+ },+ "distributor_check": {+ "checked_at": "2026-09-27T14:22:12Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-3971-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-SN74ABT245BPWR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "DIR",+ "type": "input",+ "description": "Direction-control input; LOW selects B-bus to A-bus data transfer, HIGH selects A-bus to B-bus data transfer; VIH = 2 V min, VIL = 0.8 V max."+ },+ {+ "number": "2",+ "name": "A1",+ "type": "bidirectional",+ "description": "Port A bidirectional data bus bit 1; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "3",+ "name": "A2",+ "type": "bidirectional",+ "description": "Port A bidirectional data bus bit 2; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "4",+ "name": "A3",+ "type": "bidirectional",+ "description": "Port A bidirectional data bus bit 3; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "5",+ "name": "A4",+ "type": "bidirectional",+ "description": "Port A bidirectional data bus bit 4; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "6",+ "name": "A5",+ "type": "bidirectional",+ "description": "Port A bidirectional data bus bit 5; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "7",+ "name": "A6",+ "type": "bidirectional",+ "description": "Port A bidirectional data bus bit 6; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "8",+ "name": "A7",+ "type": "bidirectional",+ "description": "Port A bidirectional data bus bit 7; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "9",+ "name": "A8",+ "type": "bidirectional",+ "description": "Port A bidirectional data bus bit 8; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Ground supply reference; 0 V."+ },+ {+ "number": "11",+ "name": "B8",+ "type": "bidirectional",+ "description": "Port B bidirectional data bus bit 8; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "12",+ "name": "B7",+ "type": "bidirectional",+ "description": "Port B bidirectional data bus bit 7; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "13",+ "name": "B6",+ "type": "bidirectional",+ "description": "Port B bidirectional data bus bit 6; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "14",+ "name": "B5",+ "type": "bidirectional",+ "description": "Port B bidirectional data bus bit 5; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "15",+ "name": "B4",+ "type": "bidirectional",+ "description": "Port B bidirectional data bus bit 4; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "16",+ "name": "B3",+ "type": "bidirectional",+ "description": "Port B bidirectional data bus bit 3; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "17",+ "name": "B2",+ "type": "bidirectional",+ "description": "Port B bidirectional data bus bit 2; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "18",+ "name": "B1",+ "type": "bidirectional",+ "description": "Port B bidirectional data bus bit 1; drives at IOH = −32 mA / IOL = 64 mA when enabled; enters high-impedance state when OE is HIGH."+ },+ {+ "number": "19",+ "name": "~OE",+ "type": "input",+ "description": "Active-low output-enable control input; HIGH disables all outputs, isolating both bus ports to high-impedance state; VIH = 2 V min, VIL = 0.8 V max."+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage; recommended operating range 4.5 V to 5.5 V, absolute maximum 7 V."+ }+ ],+ "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": [+ "extractor flagged: Pin numbering from terminal assignments table (Page 2) does not follow sequential A-bus or B-bus ord"+ ],+ "pages_sent": 29,+ "cost_usd": 0.3708,+ "at": "2026-09-27T14:21:52"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/sn74abt245b.pdf",+ "pages": 29,+ "sha256": "28eaa2f354cb3acf",+ "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]"+ }+}