component
SN74HC251PWR
Public Made by Adomby adom
Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, TSSOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
page.json+164−8@@ -1,13 +1,174 @@ {+ "schema_version": 1,+ "type": "component", "slug": "sn74hc251pwr",+ "title": "SN74HC251PWR",+ "brief": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "logic", "sn74hc251pwr" ],+ "component": {+ "mpn": "SN74HC251PWR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-16",+ "pin_count": 16,+ "category": "Logic",+ "subcategory": "Signal Switches / Encoders & Decoders / Multiplexers",+ "datasheet": "https://www.ti.com/lit/ds/symlink/sn74hc251.pdf",+ "parts": {+ "symbol": "sn74hc251pwr.kicad_sym",+ "footprint": "sn74hc251pwr.kicad_mod",+ "model_3d": "sn74hc251pwr.glb",+ "model_3d_step": "sn74hc251pwr.step",+ "lbr": "sn74hc251pwr.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "D3",+ "type": "input",+ "description": "Data input 3. One of eight multiplexer data inputs; routed to outputs Y/W when select code CBA=011 and OE is low."+ },+ {+ "number": "2",+ "name": "D2",+ "type": "input",+ "description": "Data input 2. One of eight multiplexer data inputs; selected when CBA=010."+ },+ {+ "number": "3",+ "name": "D1",+ "type": "input",+ "description": "Data input 1. One of eight multiplexer data inputs; selected when CBA=001."+ },+ {+ "number": "4",+ "name": "D0",+ "type": "input",+ "description": "Data input 0. One of eight multiplexer data inputs; selected when CBA=000."+ },+ {+ "number": "5",+ "name": "Y",+ "type": "tri_state",+ "description": "True (non-inverted) 3-state data output. Drives the selected Dn value; high-impedance when OE is high. Rated \u00b16 mA at Vcc=5 V."+ },+ {+ "number": "6",+ "name": "W",+ "type": "tri_state",+ "description": "Inverted (complementary) 3-state data output. Drives the logical inverse of the selected Dn value; high-impedance when OE is high. Rated \u00b16 mA at Vcc=5 V."+ },+ {+ "number": "7",+ "name": "OE",+ "type": "input",+ "description": "Active-low output enable. When low, Y and W are driven by the selected Dn input; when high, both outputs are placed in high-impedance (3-state)."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference (0 V)."+ },+ {+ "number": "9",+ "name": "C",+ "type": "input",+ "description": "Select input C (MSB of the 3-bit binary channel select). Together with B and A chooses which Dn drives the outputs."+ },+ {+ "number": "10",+ "name": "B",+ "type": "input",+ "description": "Select input B (middle bit of the 3-bit binary channel select)."+ },+ {+ "number": "11",+ "name": "A",+ "type": "input",+ "description": "Select input A (LSB of the 3-bit binary channel select)."+ },+ {+ "number": "12",+ "name": "D7",+ "type": "input",+ "description": "Data input 7. Selected when CBA=111."+ },+ {+ "number": "13",+ "name": "D6",+ "type": "input",+ "description": "Data input 6. Selected when CBA=110."+ },+ {+ "number": "14",+ "name": "D5",+ "type": "input",+ "description": "Data input 5. Selected when CBA=101."+ },+ {+ "number": "15",+ "name": "D4",+ "type": "input",+ "description": "Data input 4. Selected when CBA=100."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage. Recommended operating range 2 V to 6 V; absolute maximum 7 V."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/sn74hc251.pdf",+ "pages": 31,+ "sha256": "407441728ca2e20f",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Texas Instruments",+ "Package": "TSSOP-16",+ "Category": "Logic",+ "Pins": "16"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "sn74hc251pwr"+ ],+ "discovery_pitch": "SN74HC251PWR (Texas Instruments) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +186,5 @@ "docs/sn74hc251pwr-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }