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.
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README.md+14@@ -50,6 +50,20 @@ SN74HC251PWR from Texas Instruments, in a TSSOP-16. Pinout and pin descriptions - Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm` - 3D model: TSSOP-16 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`sn74hc251pwr.step`](sn74hc251pwr.step) | 205 KB | You want the bare part, or you mark your own boards. |+| [`sn74hc251pwr-etched.step`](sn74hc251pwr-etched.step) | 2.6 MB | You want the part with `SN74HC251PWR` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 652 faces against 255 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance Data extracted from the manufacturer datasheet, not a distributor listing:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "sn74hc251pwr",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+3−4@@ -4,7 +4,7 @@ "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",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -187,7 +187,6 @@ "viewers/symbol.html", "viewers/footprint.html" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D." }