component
SN74AHC574DWR
Public Made by Adomby adom
Texas Instruments Flip Flops, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+57@@ -0,0 +1,57 @@+# SN74AHC574DWR++**Texas Instruments** · Flip Flops · SOIC-20-300mil++SN74AHC574DWR from Texas Instruments, in a SOIC-20-300mil. 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 | OE | input | Output Enable input; places all eight outputs in high-impedance state when high |+| 2 | 1D | input | Data input for flip-flop 1; captured on positive clock edge when OE is low |+| 3 | 2D | input | Data input for flip-flop 2; captured on positive clock edge when OE is low |+| 4 | 3D | input | Data input for flip-flop 3; captured on positive clock edge when OE is low |+| 5 | 4D | input | Data input for flip-flop 4; captured on positive clock edge when OE is low |+| 6 | 5D | input | Data input for flip-flop 5; captured on positive clock edge when OE is low |+| 7 | 6D | input | Data input for flip-flop 6; captured on positive clock edge when OE is low |+| 8 | 7D | input | Data input for flip-flop 7; captured on positive clock edge when OE is low |+| 9 | 8D | input | Data input for flip-flop 8; captured on positive clock edge when OE is low |+| 10 | GND | power_in | Ground reference pin |+| 11 | CLK | input | Clock input; positive edge transition captures data input levels to Q outputs |+| 12 | 8Q | tri_state | Data output for flip-flop 8; three-state output with high-impedance when OE is high |+| 13 | 7Q | tri_state | Data output for flip-flop 7; three-state output with high-impedance when OE is high |+| 14 | 6Q | tri_state | Data output for flip-flop 6; three-state output with high-impedance when OE is high |+| 15 | 5Q | tri_state | Data output for flip-flop 5; three-state output with high-impedance when OE is high |+| 16 | 4Q | tri_state | Data output for flip-flop 4; three-state output with high-impedance when OE is high |+| 17 | 3Q | tri_state | Data output for flip-flop 3; three-state output with high-impedance when OE is high |+| 18 | 2Q | tri_state | Data output for flip-flop 2; three-state output with high-impedance when OE is high |+| 19 | 1Q | tri_state | Data output for flip-flop 1; three-state output with high-impedance when OE is high |+| 20 | VCC | power_in | Power supply pin; operating range 2V to 5.5V |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-20-300mil |+| Category | Logic |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `SN74AHC574DWR`+- Footprint: `Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm`+- 3D model: SOIC-20-300mil (KiCad packages3D, STEP)+- 3D model files: `sn74ahc574dwr-etched.step` / `sn74ahc574dwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74ahc574dwr.step` / `sn74ahc574dwr.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/sn74ahc574) (43 pp, sha256 `e04e4ffc4eb6ef14`, retrieved 2026-09-26, 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 0.2`, 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/sn74ahc574dwr-datasheet.pdf)
page.jsonadded+228@@ -0,0 +1,228 @@+{+ "slug": "sn74ahc574dwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Flip Flops, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "sn74ahc574dwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "sn74ahc574dwr.kicad_sym",+ "sn74ahc574dwr.kicad_mod",+ "sn74ahc574dwr.glb",+ "sn74ahc574dwr.step",+ "sn74ahc574dwr.lbr",+ "docs/hero.png",+ "docs/sn74ahc574dwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "SN74AHC574DWR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-20-300mil",+ "pin_count": 20,+ "category": "Logic",+ "subcategory": "Flip Flops",+ "datasheet": "https://www.ti.com/cn/lit/gpn/sn74ahc574",+ "parts": {+ "symbol": "sn74ahc574dwr.kicad_sym",+ "footprint": "sn74ahc574dwr.kicad_mod",+ "model_3d": "sn74ahc574dwr-etched.glb",+ "model_3d_plain": "sn74ahc574dwr.glb",+ "model_3d_step": "sn74ahc574dwr-etched.step",+ "model_3d_step_plain": "sn74ahc574dwr.step",+ "lbr": "sn74ahc574dwr.lbr"+ },+ "distributor_links": {+ "lcsc": "C155452",+ "digikey": "296-4615-2-ND",+ "mouser": "595-SN74AHC574DWR"+ },+ "distributor_check": {+ "checked_at": "2026-09-26T17:16:16Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-4615-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-SN74AHC574DWR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "OE",+ "type": "input",+ "description": "Output Enable input; places all eight outputs in high-impedance state when high"+ },+ {+ "number": "2",+ "name": "1D",+ "type": "input",+ "description": "Data input for flip-flop 1; captured on positive clock edge when OE is low"+ },+ {+ "number": "3",+ "name": "2D",+ "type": "input",+ "description": "Data input for flip-flop 2; captured on positive clock edge when OE is low"+ },+ {+ "number": "4",+ "name": "3D",+ "type": "input",+ "description": "Data input for flip-flop 3; captured on positive clock edge when OE is low"+ },+ {+ "number": "5",+ "name": "4D",+ "type": "input",+ "description": "Data input for flip-flop 4; captured on positive clock edge when OE is low"+ },+ {+ "number": "6",+ "name": "5D",+ "type": "input",+ "description": "Data input for flip-flop 5; captured on positive clock edge when OE is low"+ },+ {+ "number": "7",+ "name": "6D",+ "type": "input",+ "description": "Data input for flip-flop 6; captured on positive clock edge when OE is low"+ },+ {+ "number": "8",+ "name": "7D",+ "type": "input",+ "description": "Data input for flip-flop 7; captured on positive clock edge when OE is low"+ },+ {+ "number": "9",+ "name": "8D",+ "type": "input",+ "description": "Data input for flip-flop 8; captured on positive clock edge when OE is low"+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference pin"+ },+ {+ "number": "11",+ "name": "CLK",+ "type": "input",+ "description": "Clock input; positive edge transition captures data input levels to Q outputs"+ },+ {+ "number": "12",+ "name": "8Q",+ "type": "tri_state",+ "description": "Data output for flip-flop 8; three-state output with high-impedance when OE is high"+ },+ {+ "number": "13",+ "name": "7Q",+ "type": "tri_state",+ "description": "Data output for flip-flop 7; three-state output with high-impedance when OE is high"+ },+ {+ "number": "14",+ "name": "6Q",+ "type": "tri_state",+ "description": "Data output for flip-flop 6; three-state output with high-impedance when OE is high"+ },+ {+ "number": "15",+ "name": "5Q",+ "type": "tri_state",+ "description": "Data output for flip-flop 5; three-state output with high-impedance when OE is high"+ },+ {+ "number": "16",+ "name": "4Q",+ "type": "tri_state",+ "description": "Data output for flip-flop 4; three-state output with high-impedance when OE is high"+ },+ {+ "number": "17",+ "name": "3Q",+ "type": "tri_state",+ "description": "Data output for flip-flop 3; three-state output with high-impedance when OE is high"+ },+ {+ "number": "18",+ "name": "2Q",+ "type": "tri_state",+ "description": "Data output for flip-flop 2; three-state output with high-impedance when OE is high"+ },+ {+ "number": "19",+ "name": "1Q",+ "type": "tri_state",+ "description": "Data output for flip-flop 1; three-state output with high-impedance when OE is high"+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "Power supply pin; operating range 2V to 5.5V"+ }+ ],+ "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": 43,+ "cost_usd": 0.3031,+ "at": "2026-09-26T17:15:56"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/sn74ahc574",+ "pages": 43,+ "sha256": "e04e4ffc4eb6ef14",+ "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]"+ }+}