component
SN74HC251PW
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+226−8@@ -1,13 +1,236 @@ {+ "schema_version": 1,+ "type": "component", "slug": "sn74hc251pw",+ "title": "SN74HC251PW",+ "brief": "Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "logic", "sn74hc251pw" ],+ "component": {+ "mpn": "SN74HC251PW",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-16",+ "pin_count": 16,+ "category": "Logic",+ "subcategory": "Signal Switches, Multiplexers, Decoders",+ "datasheet": "https://www.ti.com/lit/ds/symlink/sn74hc251.pdf",+ "parts": {+ "symbol": "sn74hc251pw.kicad_sym",+ "footprint": "sn74hc251pw.kicad_mod",+ "model_3d": "sn74hc251pw.glb",+ "model_3d_step": "sn74hc251pw.step",+ "lbr": "sn74hc251pw.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "D3",+ "type": "input",+ "description": "Data input D3. Routed to the Y/W outputs when the select code (C,B,A) = (0,1,1) and /OE is low. CMOS logic input, VIH/VIL per VCC (e.g. 3.15 V/1.35 V at VCC = 4.5 V), input current \u00b11 \u03bcA max."+ },+ {+ "number": "2",+ "name": "D2",+ "type": "input",+ "description": "Data input D2. Selected to the outputs when (C,B,A) = (0,1,0) and /OE is low. Standard HC-family CMOS input."+ },+ {+ "number": "3",+ "name": "D1",+ "type": "input",+ "description": "Data input D1. Selected to the outputs when (C,B,A) = (0,0,1) and /OE is low. Standard HC-family CMOS input."+ },+ {+ "number": "4",+ "name": "D0",+ "type": "input",+ "description": "Data input D0. Selected to the outputs when (C,B,A) = (0,0,0) and /OE is low. Standard HC-family CMOS input."+ },+ {+ "number": "5",+ "name": "Y",+ "type": "tri_state",+ "description": "True (non-inverted) 3-state data output. Drives the selected Dn value; goes to high-impedance (Z) when /OE is high. \u00b16 mA drive at VCC = 5 V; interfaces directly with system bus or drives up to 15 LSTTL loads."+ },+ {+ "number": "6",+ "name": "W",+ "type": "tri_state",+ "description": "Complementary (inverted) 3-state data output. Drives the logical inverse of the selected Dn; goes to high-impedance (Z) when /OE is high. \u00b16 mA drive at VCC = 5 V."+ },+ {+ "number": "7",+ "name": "/OE",+ "type": "input",+ "description": "Active-low output enable (strobe). When high, both Y and W outputs are placed in the high-impedance (3-state) state regardless of select or data inputs; when low, the selected Dn drives Y (true) and W (inverted). Standard CMOS input, \u00b11 \u03bcA max input current."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground reference (0 V). All input/output voltages are referenced to this pin. Tie to system ground with a low-impedance return; place bypass capacitor between VCC (pin 16) and GND close to the device."+ },+ {+ "number": "9",+ "name": "A",+ "type": "input",+ "description": "Select input A (LSB of the 3-bit binary select code A/B/C that chooses one of D0-D7). Standard HC-family CMOS input; all unused inputs must be tied to VCC or GND."+ },+ {+ "number": "10",+ "name": "B",+ "type": "input",+ "description": "Select input B (middle bit of the 3-bit select code). CMOS logic input."+ },+ {+ "number": "11",+ "name": "C",+ "type": "input",+ "description": "Select input C (MSB of the 3-bit select code). CMOS logic input."+ },+ {+ "number": "12",+ "name": "D7",+ "type": "input",+ "description": "Data input D7. Selected to the outputs when (C,B,A) = (1,1,1) and /OE is low. Standard HC-family CMOS input."+ },+ {+ "number": "13",+ "name": "D6",+ "type": "input",+ "description": "Data input D6. Selected to the outputs when (C,B,A) = (1,1,0) and /OE is low. Standard HC-family CMOS input."+ },+ {+ "number": "14",+ "name": "D5",+ "type": "input",+ "description": "Data input D5. Selected to the outputs when (C,B,A) = (1,0,1) and /OE is low. Standard HC-family CMOS input."+ },+ {+ "number": "15",+ "name": "D4",+ "type": "input",+ "description": "Data input D4. Selected to the outputs when (C,B,A) = (1,0,0) and /OE is low. Standard HC-family CMOS input."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage, 2 V to 6 V (nominal 5 V). Quiescent ICC of 80 \u03bcA max at VCC = 6 V. Bypass with a 0.1 \u03bcF ceramic capacitor to GND close to the device (parallel with 1 \u03bcF is common)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/sn74hc251.pdf",+ "pages": null,+ "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"+ }+ },+ "variants": [+ {+ "mpn": "SN74HC251PW",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWR",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWR1G4",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWT",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWD",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWDR",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWDRG4",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWDT",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWDB",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWDBR",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWN",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWNS",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWNSR",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWJ",+ "kind": "packaging"+ },+ {+ "mpn": "SN74HC251PWFK",+ "kind": "packaging"+ }+ ],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "sn74hc251pw"+ ],+ "discovery_pitch": "SN74HC251PW (Texas Instruments) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +248,5 @@ "docs/sn74hc251pw-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }