component
CD74HCT574QM96G4Q1
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 @@+# CD74HCT574QM96G4Q1++**Texas Instruments** · Flip Flops · SOIC-20-300mil++CD74HCT574QM96G4Q1 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 | Active-low output enable control; drives Q outputs when low, forces outputs to high-impedance when high. |+| 2 | D0 | input | Data input bit 0; captured into storage register on rising edge of clock (CP). |+| 3 | D1 | input | Data input bit 1; captured into storage register on rising edge of clock (CP). |+| 4 | D2 | input | Data input bit 2; captured into storage register on rising edge of clock (CP). |+| 5 | D3 | input | Data input bit 3; captured into storage register on rising edge of clock (CP). |+| 6 | D4 | input | Data input bit 4; captured into storage register on rising edge of clock (CP). |+| 7 | D5 | input | Data input bit 5; captured into storage register on rising edge of clock (CP). |+| 8 | D6 | input | Data input bit 6; captured into storage register on rising edge of clock (CP). |+| 9 | D7 | input | Data input bit 7; captured into storage register on rising edge of clock (CP). |+| 10 | GND | power_in | Ground; 0 V reference. |+| 11 | CP | input | Clock input; rising edge transition triggers capture of D0-D7 data into internal registers. |+| 12 | Q7 | tri_state | 3-state output bit 7; driven from register when OE is low, high-impedance when OE is high. |+| 13 | Q6 | tri_state | 3-state output bit 6; driven from register when OE is low, high-impedance when OE is high. |+| 14 | Q5 | tri_state | 3-state output bit 5; driven from register when OE is low, high-impedance when OE is high. |+| 15 | Q4 | tri_state | 3-state output bit 4; driven from register when OE is low, high-impedance when OE is high. |+| 16 | Q3 | tri_state | 3-state output bit 3; driven from register when OE is low, high-impedance when OE is high. |+| 17 | Q2 | tri_state | 3-state output bit 2; driven from register when OE is low, high-impedance when OE is high. |+| 18 | Q1 | tri_state | 3-state output bit 1; driven from register when OE is low, high-impedance when OE is high. |+| 19 | Q0 | tri_state | 3-state output bit 0; driven from register when OE is low, high-impedance when OE is high. |+| 20 | VCC | power_in | Positive supply voltage; recommended operating range 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: `CD74HCT574QM96G4Q1`+- Footprint: `Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm`+- 3D model: SOIC-20-300mil (KiCad packages3D, STEP)+- 3D model files: `cd74hct574qm96g4q1-etched.step` / `cd74hct574qm96g4q1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd74hct574qm96g4q1.step` / `cd74hct574qm96g4q1.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/cd74hct574-q1) (17 pp, sha256 `724bb46750578974`, retrieved 2026-10-03, 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/cd74hct574qm96g4q1-datasheet.pdf)
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drives Q outputs when low, forces outputs to high-impedance when high."+ },+ {+ "number": "2",+ "name": "D0",+ "type": "input",+ "description": "Data input bit 0; captured into storage register on rising edge of clock (CP)."+ },+ {+ "number": "3",+ "name": "D1",+ "type": "input",+ "description": "Data input bit 1; captured into storage register on rising edge of clock (CP)."+ },+ {+ "number": "4",+ "name": "D2",+ "type": "input",+ "description": "Data input bit 2; captured into storage register on rising edge of clock (CP)."+ },+ {+ "number": "5",+ "name": "D3",+ "type": "input",+ "description": "Data input bit 3; captured into storage register on rising edge of clock (CP)."+ },+ {+ "number": "6",+ "name": "D4",+ "type": "input",+ "description": "Data input bit 4; captured into storage register on rising edge of clock (CP)."+ },+ {+ "number": "7",+ "name": "D5",+ "type": "input",+ "description": "Data input bit 5; captured into storage register on rising edge of clock (CP)."+ },+ {+ "number": "8",+ "name": "D6",+ "type": "input",+ "description": "Data input bit 6; captured into storage register on rising edge of clock (CP)."+ },+ {+ "number": "9",+ "name": "D7",+ "type": "input",+ "description": "Data input bit 7; captured into storage register on rising edge of clock (CP)."+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Ground; 0 V reference."+ },+ {+ "number": "11",+ "name": "CP",+ "type": "input",+ "description": "Clock input; rising edge transition triggers capture of D0-D7 data into internal registers."+ },+ {+ "number": "12",+ "name": "Q7",+ "type": "tri_state",+ "description": "3-state output bit 7; driven from register when OE is low, high-impedance when OE is high."+ },+ {+ "number": "13",+ "name": "Q6",+ "type": "tri_state",+ "description": "3-state output bit 6; driven from register when OE is low, high-impedance when OE is high."+ },+ {+ "number": "14",+ "name": "Q5",+ "type": "tri_state",+ "description": "3-state output bit 5; driven from register when OE is low, high-impedance when OE is high."+ },+ {+ "number": "15",+ "name": "Q4",+ "type": "tri_state",+ "description": "3-state output bit 4; driven from register when OE is low, high-impedance when OE is high."+ },+ {+ "number": "16",+ "name": "Q3",+ "type": "tri_state",+ "description": "3-state output bit 3; driven from register when OE is low, high-impedance when OE is high."+ },+ {+ "number": "17",+ "name": "Q2",+ "type": "tri_state",+ "description": "3-state output bit 2; driven from register when OE is low, high-impedance when OE is high."+ },+ {+ "number": "18",+ "name": "Q1",+ "type": "tri_state",+ "description": "3-state output bit 1; driven from register when OE is low, high-impedance when OE is high."+ },+ {+ "number": "19",+ "name": "Q0",+ "type": "tri_state",+ "description": "3-state output bit 0; driven from register when OE is low, high-impedance when OE is high."+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage; recommended operating range 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": 17,+ "cost_usd": 0.1268,+ "at": "2026-10-03T08:30:37"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/cd74hct574-q1",+ "pages": 17,+ "sha256": "724bb46750578974",+ "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]"+ }+}