component
SN74LVC244APWR
Public Made by Adomby adom
Texas Instruments Buffer/Driver/Transceiver, TSSOP-20. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -67,6 +67,20 @@ SN74LVC244APWR from Texas Instruments, in a TSSOP-20. Pinout and pin description - Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm` - 3D model: TSSOP-20 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`sn74lvc244apwr.step`](sn74lvc244apwr.step) | 267 KB | You want the bare part, or you mark your own boards. |+| [`sn74lvc244apwr-etched.step`](sn74lvc244apwr-etched.step) | 2.8 MB | You want the part with `SN74LVC244APWR` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 739 faces against 327 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": "sn74lvc244apwr",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Texas Instruments Buffer/Driver/Transceiver, TSSOP-20. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+6−6@@ -4,7 +4,7 @@ "slug": "sn74lvc244apwr", "title": "SN74LVC244APWR", "brief": "Texas Instruments Buffer/Driver/Transceiver, TSSOP-20. 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": "2Y4", "type": "tri_state",- "description": "Port 2Y4 buffered output from the second 4-bit buffer channel 4. 3-state; enabled by 2OE low. Drives up to \u00b124mA at VCC=3V."+ "description": "Port 2Y4 buffered output from the second 4-bit buffer channel 4. 3-state; enabled by 2OE low. Drives up to ±24mA at VCC=3V." }, { "number": "4",@@ -223,9 +223,9 @@ "docs/hero.png", "docs/sn74lvc244apwr-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "Texas Instruments Buffer/Driver/Transceiver, TSSOP-20. Datasheet-verified pinout, KiCad symbol/footprint/3D." }