component
74HC74D
Public Made by Adomby adom
Nexperia Flip Flops, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+152−8@@ -1,13 +1,162 @@ {+ "schema_version": 1,+ "type": "component", "slug": "74hc74d",+ "title": "74HC74D",+ "brief": "Nexperia Flip Flops, SOIC-14. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Nexperia Flip Flops, SOIC-14. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "logic", "74hc74d" ],+ "component": {+ "mpn": "74HC74D",+ "manufacturer": "Nexperia",+ "package": "SOIC-14",+ "pin_count": 14,+ "category": "Logic",+ "subcategory": "Flip Flops",+ "datasheet": "https://assets.nexperia.com/documents/data-sheet/74HC74D.pdf",+ "parts": {+ "symbol": "74hc74d.kicad_sym",+ "footprint": "74hc74d.kicad_mod",+ "model_3d": "74hc74d.glb",+ "model_3d_step": "74hc74d.step",+ "lbr": "74hc74d.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "1RD",+ "type": "input",+ "description": "Flip-flop 1 asynchronous reset-direct input (active LOW). Drives 1Q LOW / 1Q-bar HIGH independent of clock when asserted."+ },+ {+ "number": "2",+ "name": "1D",+ "type": "input",+ "description": "Flip-flop 1 data input. Value present at 1D at the LOW-to-HIGH transition of 1CP (meeting setup/hold) is stored and appears at 1Q."+ },+ {+ "number": "3",+ "name": "1CP",+ "type": "input",+ "description": "Flip-flop 1 clock input, positive edge-triggered (LOW-to-HIGH). Schmitt-trigger action makes it tolerant of slow clock rise/fall times."+ },+ {+ "number": "4",+ "name": "1SD",+ "type": "input",+ "description": "Flip-flop 1 asynchronous set-direct input (active LOW). Drives 1Q HIGH / 1Q-bar LOW independent of clock when asserted."+ },+ {+ "number": "5",+ "name": "1Q",+ "type": "output",+ "description": "Flip-flop 1 true output. Reflects the state stored on the previous LOW-to-HIGH transition of 1CP, or is forced by 1SD/1RD."+ },+ {+ "number": "6",+ "name": "1Q",+ "type": "output",+ "description": "Flip-flop 1 complement output (1Q-bar). Inverse of 1Q except when both 1SD and 1RD are asserted LOW (both outputs go HIGH per function table)."+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference (0 V) for the device."+ },+ {+ "number": "8",+ "name": "2Q",+ "type": "output",+ "description": "Flip-flop 2 complement output (2Q-bar). Inverse of 2Q except when both 2SD and 2RD are LOW."+ },+ {+ "number": "9",+ "name": "2Q",+ "type": "output",+ "description": "Flip-flop 2 true output. Reflects the state stored on the previous LOW-to-HIGH transition of 2CP, or is forced by 2SD/2RD."+ },+ {+ "number": "10",+ "name": "2SD",+ "type": "input",+ "description": "Flip-flop 2 asynchronous set-direct input (active LOW). Drives 2Q HIGH / 2Q-bar LOW independent of clock when asserted."+ },+ {+ "number": "11",+ "name": "2CP",+ "type": "input",+ "description": "Flip-flop 2 clock input, positive edge-triggered (LOW-to-HIGH). Schmitt-trigger action tolerates slow edges."+ },+ {+ "number": "12",+ "name": "2D",+ "type": "input",+ "description": "Flip-flop 2 data input. Value latched into flip-flop 2 on the LOW-to-HIGH edge of 2CP and presented at 2Q."+ },+ {+ "number": "13",+ "name": "2RD",+ "type": "input",+ "description": "Flip-flop 2 asynchronous reset-direct input (active LOW). Drives 2Q LOW / 2Q-bar HIGH independent of clock when asserted."+ },+ {+ "number": "14",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage. Operating range 2.0 V to 6.0 V for 74HC74 (4.5 V to 5.5 V for 74HCT74). Absolute maximum 7 V."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://assets.nexperia.com/documents/data-sheet/74HC74D.pdf",+ "pages": 19,+ "sha256": "1e4ab9833ba6e6a3",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 14,+ "described": 14,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Nexperia",+ "Package": "SOIC-14",+ "Category": "Logic",+ "Pins": "14"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "74hc74d"+ ],+ "discovery_pitch": "74HC74D (Nexperia) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +174,5 @@ "docs/74hc74d-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }