component
SN74HC574PWR
Public Made by Adomby adom
Texas Instruments Flip Flops, 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 @@+# SN74HC574PWR++**Texas Instruments** · Flip Flops · TSSOP-20++SN74HC574PWR from Texas Instruments, in a TSSOP-20. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | OE | input | Active-low output-enable input; when high, forces all eight Q outputs to the high-impedance state without affecting internal flip-flop data. |+| 2 | 1D | input | Data input for flip-flop 1, latched into Q1 on the low-to-high transition of CLK. |+| 3 | 2D | input | Data input for flip-flop 2, latched into Q2 on the low-to-high transition of CLK. |+| 4 | 3D | input | Data input for flip-flop 3, latched into Q3 on the low-to-high transition of CLK. |+| 5 | 4D | input | Data input for flip-flop 4, latched into Q4 on the low-to-high transition of CLK. |+| 6 | 5D | input | Data input for flip-flop 5, latched into Q5 on the low-to-high transition of CLK. |+| 7 | 6D | input | Data input for flip-flop 6, latched into Q6 on the low-to-high transition of CLK. |+| 8 | 7D | input | Data input for flip-flop 7, latched into Q7 on the low-to-high transition of CLK. |+| 9 | 8D | input | Data input for flip-flop 8, latched into Q8 on the low-to-high transition of CLK. |+| 10 | GND | power_in | Ground reference (0 V) supply pin. |+| 11 | CLK | input | Clock input; data on Dn inputs is entered into the corresponding flip-flop on the low-to-high (rising) transition of this input. |+| 12 | 8Q | tri_state | 3-state noninverting output of flip-flop 8, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high. |+| 13 | 7Q | tri_state | 3-state noninverting output of flip-flop 7, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high. |+| 14 | 6Q | tri_state | 3-state noninverting output of flip-flop 6, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high. |+| 15 | 5Q | tri_state | 3-state noninverting output of flip-flop 5, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high. |+| 16 | 4Q | tri_state | 3-state noninverting output of flip-flop 4, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high. |+| 17 | 3Q | tri_state | 3-state noninverting output of flip-flop 3, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high. |+| 18 | 2Q | tri_state | 3-state noninverting output of flip-flop 2, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high. |+| 19 | 1Q | tri_state | 3-state noninverting output of flip-flop 1, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high. |+| 20 | VCC | power_in | Positive supply voltage pin, specified over a wide operating range of 2 V to 6 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-20 |+| Category | Logic |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `SN74HC574PWR`+- Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm`+- 3D model: TSSOP-20 (KiCad packages3D, STEP)+- 3D model files: `sn74hc574pwr-etched.step` / `sn74hc574pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74hc574pwr.step` / `sn74hc574pwr.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/sn74hc574.pdf) (31 pp, sha256 `41dc3007ca8c8f8e`, retrieved 2026-09-23, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-sonnet-5` (text+vision), consensus `claude-opus-4-8` (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/sn74hc574pwr-datasheet.pdf)
page.jsonadded+215@@ -0,0 +1,215 @@+{+ "slug": "sn74hc574pwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Flip Flops, TSSOP-20. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "sn74hc574pwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "sn74hc574pwr.kicad_sym",+ "sn74hc574pwr.kicad_mod",+ "sn74hc574pwr.glb",+ "sn74hc574pwr.step",+ "sn74hc574pwr.lbr",+ "docs/hero.png",+ "docs/sn74hc574pwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "SN74HC574PWR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-20",+ "pin_count": 20,+ "category": "Logic",+ "subcategory": "Flip Flops",+ "datasheet": "https://www.ti.com/lit/ds/symlink/sn74hc574.pdf",+ "parts": {+ "symbol": "sn74hc574pwr.kicad_sym",+ "footprint": "sn74hc574pwr.kicad_mod",+ "model_3d": "sn74hc574pwr-etched.glb",+ "model_3d_plain": "sn74hc574pwr.glb",+ "model_3d_step": "sn74hc574pwr-etched.step",+ "model_3d_step_plain": "sn74hc574pwr.step",+ "lbr": "sn74hc574pwr.lbr"+ },+ "distributor_links": {+ "lcsc": "C132111"+ },+ "pins": [+ {+ "number": "1",+ "name": "OE",+ "type": "input",+ "description": "Active-low output-enable input; when high, forces all eight Q outputs to the high-impedance state without affecting internal flip-flop data."+ },+ {+ "number": "2",+ "name": "1D",+ "type": "input",+ "description": "Data input for flip-flop 1, latched into Q1 on the low-to-high transition of CLK."+ },+ {+ "number": "3",+ "name": "2D",+ "type": "input",+ "description": "Data input for flip-flop 2, latched into Q2 on the low-to-high transition of CLK."+ },+ {+ "number": "4",+ "name": "3D",+ "type": "input",+ "description": "Data input for flip-flop 3, latched into Q3 on the low-to-high transition of CLK."+ },+ {+ "number": "5",+ "name": "4D",+ "type": "input",+ "description": "Data input for flip-flop 4, latched into Q4 on the low-to-high transition of CLK."+ },+ {+ "number": "6",+ "name": "5D",+ "type": "input",+ "description": "Data input for flip-flop 5, latched into Q5 on the low-to-high transition of CLK."+ },+ {+ "number": "7",+ "name": "6D",+ "type": "input",+ "description": "Data input for flip-flop 6, latched into Q6 on the low-to-high transition of CLK."+ },+ {+ "number": "8",+ "name": "7D",+ "type": "input",+ "description": "Data input for flip-flop 7, latched into Q7 on the low-to-high transition of CLK."+ },+ {+ "number": "9",+ "name": "8D",+ "type": "input",+ "description": "Data input for flip-flop 8, latched into Q8 on the low-to-high transition of CLK."+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference (0 V) supply pin."+ },+ {+ "number": "11",+ "name": "CLK",+ "type": "input",+ "description": "Clock input; data on Dn inputs is entered into the corresponding flip-flop on the low-to-high (rising) transition of this input."+ },+ {+ "number": "12",+ "name": "8Q",+ "type": "tri_state",+ "description": "3-state noninverting output of flip-flop 8, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high."+ },+ {+ "number": "13",+ "name": "7Q",+ "type": "tri_state",+ "description": "3-state noninverting output of flip-flop 7, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high."+ },+ {+ "number": "14",+ "name": "6Q",+ "type": "tri_state",+ "description": "3-state noninverting output of flip-flop 6, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high."+ },+ {+ "number": "15",+ "name": "5Q",+ "type": "tri_state",+ "description": "3-state noninverting output of flip-flop 5, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high."+ },+ {+ "number": "16",+ "name": "4Q",+ "type": "tri_state",+ "description": "3-state noninverting output of flip-flop 4, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high."+ },+ {+ "number": "17",+ "name": "3Q",+ "type": "tri_state",+ "description": "3-state noninverting output of flip-flop 3, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high."+ },+ {+ "number": "18",+ "name": "2Q",+ "type": "tri_state",+ "description": "3-state noninverting output of flip-flop 2, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high."+ },+ {+ "number": "19",+ "name": "1Q",+ "type": "tri_state",+ "description": "3-state noninverting output of flip-flop 1, capable of ±6-mA drive at 5 V and driven to high impedance when OE is high."+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage pin, specified over a wide operating range of 2 V to 6 V."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-sonnet-5",+ "primary_mode": "text+vision",+ "consensus_model": "claude-opus-4-8",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 31,+ "cost_usd": 0.7459,+ "at": "2026-09-23T05:54:21"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/sn74hc574.pdf",+ "pages": 31,+ "sha256": "41dc3007ca8c8f8e",+ "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]"+ }+}