component
SN74LVC1G139DCUR
Public Made by Adomby adom
Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, VSSOP-8-0.5mm. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -40,6 +40,20 @@ SN74LVC1G139DCUR from Texas Instruments, in a VSSOP-8-0.5mm. Pinout and pin desc - Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm` - 3D model: VSSOP-8-0.5mm (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`sn74lvc1g139dcur.step`](sn74lvc1g139dcur.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`sn74lvc1g139dcur-etched.step`](sn74lvc1g139dcur-etched.step) | 2.9 MB | You want the part with `SN74LVC1G139DCUR` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 713 faces against 147 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": "sn74lvc1g139dcur",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, VSSOP-8-0.5mm. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+10−10@@ -4,7 +4,7 @@ "slug": "sn74lvc1g139dcur", "title": "SN74LVC1G139DCUR", "brief": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, VSSOP-8-0.5mm. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -47,7 +47,7 @@ "number": "3", "name": "Y3", "type": "output",- "description": "Decoder output 3; asserted low when B is high and A is high. Push-pull CMOS output rated for \u00b124 mA drive at 3.3 V."+ "description": "Decoder output 3; asserted low when B is high and A is high. Push-pull CMOS output rated for ±24 mA drive at 3.3 V." }, { "number": "4",@@ -59,25 +59,25 @@ "number": "5", "name": "Y2", "type": "output",- "description": "Decoder output 2; asserted low when B is high and A is low. Push-pull CMOS output rated for \u00b124 mA drive at 3.3 V."+ "description": "Decoder output 2; asserted low when B is high and A is low. Push-pull CMOS output rated for ±24 mA drive at 3.3 V." }, { "number": "6", "name": "Y1", "type": "output",- "description": "Decoder output 1; asserted low when B is low and A is high. Push-pull CMOS output rated for \u00b124 mA drive at 3.3 V."+ "description": "Decoder output 1; asserted low when B is low and A is high. Push-pull CMOS output rated for ±24 mA drive at 3.3 V." }, { "number": "7", "name": "Y0", "type": "output",- "description": "Decoder output 0; asserted low when B is low and A is low. Push-pull CMOS output rated for \u00b124 mA drive at 3.3 V."+ "description": "Decoder output 0; asserted low when B is low and A is low. Push-pull CMOS output rated for ±24 mA drive at 3.3 V." }, { "number": "8", "name": "VCC", "type": "power_in",- "description": "Supply voltage. Operating range 1.65 V to 5.5 V; data retention down to 1.5 V. Decouple with a 0.1 \u00b5F ceramic to GND."+ "description": "Supply voltage. Operating range 1.65 V to 5.5 V; data retention down to 1.5 V. Decouple with a 0.1 µF ceramic to GND." } ], "provenance": {@@ -151,9 +151,9 @@ "docs/hero.png", "docs/sn74lvc1g139dcur-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, VSSOP-8-0.5mm. Datasheet-verified pinout, KiCad symbol/footprint/3D." }