component
SN74ABT574ADWR
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+56@@ -0,0 +1,56 @@+# SN74ABT574ADWR++**Texas Instruments** · Flip Flops · SOIC-20-300mil++SN74ABT574ADWR 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 | Buffered output-enable input; low enables 3-state Q outputs to normal logic state, high places them in high-impedance state. |+| 2 | 1D | input | Data input for flip-flop 1; logic level is transferred to output 1Q on positive clock transition. |+| 3 | 2D | input | Data input for flip-flop 2; logic level is transferred to output 2Q on positive clock transition. |+| 4 | 3D | input | Data input for flip-flop 3; logic level is transferred to output 3Q on positive clock transition. |+| 5 | 4D | input | Data input for flip-flop 4; logic level is transferred to output 4Q on positive clock transition. |+| 6 | 5D | input | Data input for flip-flop 5; logic level is transferred to output 5Q on positive clock transition. |+| 7 | 6D | input | Data input for flip-flop 6; logic level is transferred to output 6Q on positive clock transition. |+| 8 | 7D | input | Data input for flip-flop 7; logic level is transferred to output 7Q on positive clock transition. |+| 9 | 8D | input | Data input for flip-flop 8; logic level is transferred to output 8Q on positive clock transition. |+| 10 | GND | power_in | Ground; negative supply voltage reference. |+| 11 | CLK | input | Clock input; positive edge triggers transfer of data from D inputs to Q outputs. |+| 12 | 8Q | tri_state | 3-state output for flip-flop 8; normal logic state when OE is low, high-impedance when OE is high. |+| 13 | 7Q | tri_state | 3-state output for flip-flop 7; normal logic state when OE is low, high-impedance when OE is high. |+| 14 | 6Q | tri_state | 3-state output for flip-flop 6; normal logic state when OE is low, high-impedance when OE is high. |+| 15 | 5Q | tri_state | 3-state output for flip-flop 5; normal logic state when OE is low, high-impedance when OE is high. |+| 16 | 4Q | tri_state | 3-state output for flip-flop 4; normal logic state when OE is low, high-impedance when OE is high. |+| 17 | 3Q | tri_state | 3-state output for flip-flop 3; normal logic state when OE is low, high-impedance when OE is high. |+| 18 | 2Q | tri_state | 3-state output for flip-flop 2; normal logic state when OE is low, high-impedance when OE is high. |+| 19 | 1Q | tri_state | 3-state output for flip-flop 1; normal logic state when OE is low, high-impedance when OE is high. |+| 20 | VCC | power_in | Positive supply voltage; recommended operating voltage range is 4.5 V to 5.5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-20-300mil |+| Category | Logic |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `SN74ABT574ADWR`+- Footprint: `Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm`+- 3D model: SOIC-20-300mil (KiCad packages3D, STEP)+- 3D model files: `sn74abt574adwr-etched.step` / `sn74abt574adwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74abt574adwr.step` / `sn74abt574adwr.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/sn74abt574a) (26 pp, sha256 `7d8bbb1be5d32de3`, retrieved 2026-10-05, tier: lcsc)+- **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/sn74abt574adwr-datasheet.pdf)
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low enables 3-state Q outputs to normal logic state, high places them in high-impedance state."+ },+ {+ "number": "2",+ "name": "1D",+ "type": "input",+ "description": "Data input for flip-flop 1; logic level is transferred to output 1Q on positive clock transition."+ },+ {+ "number": "3",+ "name": "2D",+ "type": "input",+ "description": "Data input for flip-flop 2; logic level is transferred to output 2Q on positive clock transition."+ },+ {+ "number": "4",+ "name": "3D",+ "type": "input",+ "description": "Data input for flip-flop 3; logic level is transferred to output 3Q on positive clock transition."+ },+ {+ "number": "5",+ "name": "4D",+ "type": "input",+ "description": "Data input for flip-flop 4; logic level is transferred to output 4Q on positive clock transition."+ },+ {+ "number": "6",+ "name": "5D",+ "type": "input",+ "description": "Data input for flip-flop 5; logic level is transferred to output 5Q on positive clock transition."+ },+ {+ "number": "7",+ "name": "6D",+ "type": "input",+ "description": "Data input for flip-flop 6; logic level is transferred to output 6Q on positive clock transition."+ },+ {+ "number": "8",+ "name": "7D",+ "type": "input",+ "description": "Data input for flip-flop 7; logic level is transferred to output 7Q on positive clock transition."+ },+ {+ "number": "9",+ "name": "8D",+ "type": "input",+ "description": "Data input for flip-flop 8; logic level is transferred to output 8Q on positive clock transition."+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Ground; negative supply voltage reference."+ },+ {+ "number": "11",+ "name": "CLK",+ "type": "input",+ "description": "Clock input; positive edge triggers transfer of data from D inputs to Q outputs."+ },+ {+ "number": "12",+ "name": "8Q",+ "type": "tri_state",+ "description": "3-state output for flip-flop 8; normal logic state when OE is low, high-impedance when OE is high."+ },+ {+ "number": "13",+ "name": "7Q",+ "type": "tri_state",+ "description": "3-state output for flip-flop 7; normal logic state when OE is low, high-impedance when OE is high."+ },+ {+ "number": "14",+ "name": "6Q",+ "type": "tri_state",+ "description": "3-state output for flip-flop 6; normal logic state when OE is low, high-impedance when OE is high."+ },+ {+ "number": "15",+ "name": "5Q",+ "type": "tri_state",+ "description": "3-state output for flip-flop 5; normal logic state when OE is low, high-impedance when OE is high."+ },+ {+ "number": "16",+ "name": "4Q",+ "type": "tri_state",+ "description": "3-state output for flip-flop 4; normal logic state when OE is low, high-impedance when OE is high."+ },+ {+ "number": "17",+ "name": "3Q",+ "type": "tri_state",+ "description": "3-state output for flip-flop 3; normal logic state when OE is low, high-impedance when OE is high."+ },+ {+ "number": "18",+ "name": "2Q",+ "type": "tri_state",+ "description": "3-state output for flip-flop 2; normal logic state when OE is low, high-impedance when OE is high."+ },+ {+ "number": "19",+ "name": "1Q",+ "type": "tri_state",+ "description": "3-state output for flip-flop 1; normal logic state when OE is low, high-impedance when OE is high."+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage; recommended operating voltage range is 4.5 V to 5.5 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": [],+ "pages_sent": 26,+ "cost_usd": 0.1669,+ "at": "2026-10-05T20:27:17"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/sn74abt574a",+ "pages": 26,+ "sha256": "7d8bbb1be5d32de3",+ "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]"+ }+}