component
SN74AHC245QPWRQ1
Public Made by Adomby adom
Texas Instruments Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
sn74ahc245qpwrq1: annotated 3D hero (adom-hero 1.4)
4 files changed
+527−525
README.md+1@@ -43,6 +43,7 @@ SN74AHC245QPWRQ1 from Texas Instruments, in a TSSOP-20. Pinout and pin descripti - Symbol: `SN74AHC245QPWRQ1` - Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm` - 3D model: TSSOP-20 (KiCad packages3D, STEP)+- Annotated 3D hero: `sn74ahc245qpwrq1-hero.glb` (dashed pad outlines, silkscreen with pin 1, signal names; the [adom-hero standard](https://wiki.adom.inc/adom/component-hero)) is what the viewer shows. Downloads and EDA use the clean model, `sn74ahc245qpwrq1-etched.glb`. - 3D model files: `sn74ahc245qpwrq1-etched.step` / `sn74ahc245qpwrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74ahc245qpwrq1.step` / `sn74ahc245qpwrq1.glb` are the bare package body. ## Provenance
page.json+3−3@@ -24,8 +24,8 @@ "parts": { "symbol": "sn74ahc245qpwrq1.kicad_sym", "footprint": "sn74ahc245qpwrq1.kicad_mod",- "model_3d": "sn74ahc245qpwrq1-etched.glb",- "model_3d_plain": "sn74ahc245qpwrq1.glb",+ "model_3d": "sn74ahc245qpwrq1-hero.glb",+ "model_3d_plain": "sn74ahc245qpwrq1-etched.glb", "model_3d_step": "sn74ahc245qpwrq1-etched.step", "model_3d_step_plain": "sn74ahc245qpwrq1.step", "lbr": "sn74ahc245qpwrq1.lbr"@@ -251,4 +251,4 @@ "visibility": { "public": true }-}+}
sn74ahc245qpwrq1-hero.glb⋯ 1 unchanged line ⋯
sn74ahc245qpwrq1-hero.overlay.json+523−522@@ -1,524 +1,525 @@ {- "spec": "adom-hero 1.4",- "mpn": "SN74AHC245QPWRQ1",- "kind": "component + footprint reference art",- "board_use": false,- "plane_z_mm": -0.02,- "units": "metre",- "upAxis": "Z",- "layers": {- "pad_outlines": {- "material": "Footprint pads - teal dashed outlines - 50 percent opacity",- "rgba": [- 0.0,- 0.902,- 0.863,- 0.5- ],- "pads": 20,- "span_mm": 7.2,- "dash_mm": 0.18,- "gap_mm": 0.108,- "pad_stroke_mm": 0.0432- },- "silkscreen": {- "material": "Silkscreen reference lines - 30 percent opacity",- "rgba": [- 0.92,- 0.96,- 1.0,- 0.3- ],- "footprint_items": 3,- "pin1": {- "source": "footprint silkscreen",- "pad": "1"- }- },- "signal_names": {- "material": "Signal names - 50 percent opacity",- "rgba": [- 0.92,- 0.96,- 1.0,- 0.5- ],- "font": "DejaVu Sans Mono",- "labels": 20,- "sides": "top + mirrored underside (single-sided)",- "fallback_to_pad_number": 0- }- },- "align": {- "ok": true,- "centre_offset_mm": 0.0,- "tolerance_mm": 0.576,- "orientation_flipped": false,- "contacts_bbox_mm": [- -3.2,- 3.2,- -3.055,- 3.055- ],- "pads_bbox_mm": [- -3.6,- 3.6,- -3.125,- 3.125- ],- "seating_z_mm": 0.0- },- "sources": {- "glb": "sn74ahc245qpwrq1.glb",- "glb_sha256": "ce68c5a4d3aaba2dd364e48ac3a28fcc36a22898f53f6c11a3d9c7ce87c4141e",- "footprint": "sn74ahc245qpwrq1.kicad_mod",- "footprint_sha256": "b7ca3a31dd45c1225609f9b94e8ba1534bd16edd193628c8d67a8ea669b26b72",- "pins": "page.json component.pins",- "pins_sha256": "2fba59b92d2aec48f6d82d4eb75e1ee5ca6ea67d66c435cce8f54347c289ae20"- },- "generator": "adom-wiki 1.7.65 (component_hero)",- "labels": [- {- "pad": "1",- "text": "DIR",- "x": -4.29,- "y": -2.925,- "align": "right",- "vertical": false,- "h": 0.325- },- {- "pad": "2",- "text": "A1",- "x": -3.7,- "y": -2.275,- "align": "right",- "vertical": false,- "h": 0.325- },- {- "pad": "3",- "text": "A2",- "x": -3.7,- "y": -1.625,- "align": "right",- "vertical": false,- "h": 0.325- },- {- "pad": "4",- "text": "A3",- "x": -3.7,- "y": -0.975,- "align": "right",- "vertical": false,- "h": 0.325- },- {- "pad": "5",- "text": "A4",- "x": -3.7,- "y": -0.325,- "align": "right",- "vertical": false,- "h": 0.325- },- {- "pad": "6",- "text": "A5",- "x": -3.7,- "y": 0.325,- "align": "right",- "vertical": false,- "h": 0.325- },- {- "pad": "7",- "text": "A6",- "x": -3.7,- "y": 0.975,- "align": "right",- "vertical": false,- "h": 0.325- },- {- "pad": "8",- "text": "A7",- "x": -3.7,- "y": 1.625,- "align": "right",- "vertical": false,- "h": 0.325- },- {- "pad": "9",- "text": "A8",- "x": -3.7,- "y": 2.275,- "align": "right",- "vertical": false,- "h": 0.325- },- {- "pad": "10",- "text": "GND",- "x": -3.7,- "y": 2.925,- "align": "right",- "vertical": false,- "h": 0.325- },- {- "pad": "11",- "text": "B8",- "x": 3.7,- "y": 2.925,- "align": "left",- "vertical": false,- "h": 0.325- },- {- "pad": "12",- "text": "B7",- "x": 3.7,- "y": 2.275,- "align": "left",- "vertical": false,- "h": 0.325- },- {- "pad": "13",- "text": "B6",- "x": 3.7,- "y": 1.625,- "align": "left",- "vertical": false,- "h": 0.325- },- {- "pad": "14",- "text": "B5",- "x": 3.7,- "y": 0.975,- "align": "left",- "vertical": false,- "h": 0.325- },- {- "pad": "15",- "text": "B4",- "x": 3.7,- "y": 0.325,- "align": "left",- "vertical": false,- "h": 0.325- },- {- "pad": "16",- "text": "B3",- "x": 3.7,- "y": -0.325,- "align": "left",- "vertical": false,- "h": 0.325- },- {- "pad": "17",- "text": "B2",- "x": 3.7,- "y": -0.975,- "align": "left",- "vertical": false,- "h": 0.325- },- {- "pad": "18",- "text": "B1",- "x": 3.7,- "y": -1.625,- "align": "left",- "vertical": false,- "h": 0.325- },- {- "pad": "19",- "text": "OE",- "x": 3.7,- "y": -2.275,- "align": "left",- "vertical": false,- "h": 0.325- },- {- "pad": "20",- "text": "VCC",- "x": 3.7,- "y": -2.925,- "align": "left",- "vertical": false,- "h": 0.325- }+ "spec": "adom-hero 1.4",+ "mpn": "SN74AHC245QPWRQ1",+ "kind": "component + footprint reference art",+ "board_use": false,+ "plane_z_mm": -0.02,+ "units": "metre",+ "upAxis": "Z",+ "layers": {+ "pad_outlines": {+ "material": "Footprint pads - teal dashed outlines - 50 percent opacity",+ "rgba": [+ 0.0,+ 0.902,+ 0.863,+ 0.5+ ],+ "pads": 20,+ "span_mm": 7.2,+ "dash_mm": 0.18,+ "gap_mm": 0.108,+ "pad_stroke_mm": 0.0432+ },+ "silkscreen": {+ "material": "Silkscreen reference lines - 30 percent opacity",+ "rgba": [+ 0.92,+ 0.96,+ 1.0,+ 0.3+ ],+ "footprint_items": 3,+ "pin1": {+ "source": "footprint silkscreen",+ "pad": "1"+ }+ },+ "signal_names": {+ "material": "Signal names - 50 percent opacity",+ "rgba": [+ 0.92,+ 0.96,+ 1.0,+ 0.5+ ],+ "font": "DejaVu Sans Mono",+ "labels": 20,+ "sides": "top + mirrored underside (single-sided)",+ "omitted": null,+ "fallback_to_pad_number": 0+ }+ },+ "align": {+ "ok": true,+ "centre_offset_mm": 0.0,+ "tolerance_mm": 0.576,+ "orientation_flipped": false,+ "contacts_bbox_mm": [+ -3.2,+ 3.2,+ -3.055,+ 3.055+ ],+ "pads_bbox_mm": [+ -3.6,+ 3.6,+ -3.125,+ 3.125 ],- "pads": [- {- "number": "1",- "shape": "roundrect",- "center_mm": [- -2.8625,- -2.925- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "2",- "shape": "roundrect",- "center_mm": [- -2.8625,- -2.275- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "3",- "shape": "roundrect",- "center_mm": [- -2.8625,- -1.625- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "4",- "shape": "roundrect",- "center_mm": [- -2.8625,- -0.975- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "5",- "shape": "roundrect",- "center_mm": [- -2.8625,- -0.325- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "6",- "shape": "roundrect",- "center_mm": [- -2.8625,- 0.325- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "7",- "shape": "roundrect",- "center_mm": [- -2.8625,- 0.975- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "8",- "shape": "roundrect",- "center_mm": [- -2.8625,- 1.625- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "9",- "shape": "roundrect",- "center_mm": [- -2.8625,- 2.275- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "10",- "shape": "roundrect",- "center_mm": [- -2.8625,- 2.925- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "11",- "shape": "roundrect",- "center_mm": [- 2.8625,- 2.925- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "12",- "shape": "roundrect",- "center_mm": [- 2.8625,- 2.275- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "13",- "shape": "roundrect",- "center_mm": [- 2.8625,- 1.625- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "14",- "shape": "roundrect",- "center_mm": [- 2.8625,- 0.975- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "15",- "shape": "roundrect",- "center_mm": [- 2.8625,- 0.325- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "16",- "shape": "roundrect",- "center_mm": [- 2.8625,- -0.325- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "17",- "shape": "roundrect",- "center_mm": [- 2.8625,- -0.975- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "18",- "shape": "roundrect",- "center_mm": [- 2.8625,- -1.625- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "19",- "shape": "roundrect",- "center_mm": [- 2.8625,- -2.275- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- },- {- "number": "20",- "shape": "roundrect",- "center_mm": [- 2.8625,- -2.925- ],- "size_mm": [- 1.475,- 0.4- ],- "rot": 0.0- }- ]-}+ "seating_z_mm": 0.0+ },+ "sources": {+ "glb": "sn74ahc245qpwrq1-etched.glb",+ "glb_sha256": "1e02a1e4ffb0cdff26887dc73fca31f22af39cfb03fae694abc764d6d2d1a016",+ "footprint": "sn74ahc245qpwrq1.kicad_mod",+ "footprint_sha256": "b7ca3a31dd45c1225609f9b94e8ba1534bd16edd193628c8d67a8ea669b26b72",+ "pins": "page.json component.pins",+ "pins_sha256": "2fba59b92d2aec48f6d82d4eb75e1ee5ca6ea67d66c435cce8f54347c289ae20"+ },+ "generator": "factory/hero_glb.py",+ "labels": [+ {+ "pad": "1",+ "text": "DIR",+ "x": -4.29,+ "y": -2.925,+ "align": "right",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "2",+ "text": "A1",+ "x": -3.7,+ "y": -2.275,+ "align": "right",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "3",+ "text": "A2",+ "x": -3.7,+ "y": -1.625,+ "align": "right",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "4",+ "text": "A3",+ "x": -3.7,+ "y": -0.975,+ "align": "right",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "5",+ "text": "A4",+ "x": -3.7,+ "y": -0.325,+ "align": "right",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "6",+ "text": "A5",+ "x": -3.7,+ "y": 0.325,+ "align": "right",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "7",+ "text": "A6",+ "x": -3.7,+ "y": 0.975,+ "align": "right",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "8",+ "text": "A7",+ "x": -3.7,+ "y": 1.625,+ "align": "right",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "9",+ "text": "A8",+ "x": -3.7,+ "y": 2.275,+ "align": "right",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "10",+ "text": "GND",+ "x": -3.7,+ "y": 2.925,+ "align": "right",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "11",+ "text": "B8",+ "x": 3.7,+ "y": 2.925,+ "align": "left",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "12",+ "text": "B7",+ "x": 3.7,+ "y": 2.275,+ "align": "left",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "13",+ "text": "B6",+ "x": 3.7,+ "y": 1.625,+ "align": "left",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "14",+ "text": "B5",+ "x": 3.7,+ "y": 0.975,+ "align": "left",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "15",+ "text": "B4",+ "x": 3.7,+ "y": 0.325,+ "align": "left",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "16",+ "text": "B3",+ "x": 3.7,+ "y": -0.325,+ "align": "left",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "17",+ "text": "B2",+ "x": 3.7,+ "y": -0.975,+ "align": "left",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "18",+ "text": "B1",+ "x": 3.7,+ "y": -1.625,+ "align": "left",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "19",+ "text": "OE",+ "x": 3.7,+ "y": -2.275,+ "align": "left",+ "vertical": false,+ "h": 0.325+ },+ {+ "pad": "20",+ "text": "VCC",+ "x": 3.7,+ "y": -2.925,+ "align": "left",+ "vertical": false,+ "h": 0.325+ }+ ],+ "pads": [+ {+ "number": "1",+ "shape": "roundrect",+ "center_mm": [+ -2.8625,+ -2.925+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "2",+ "shape": "roundrect",+ "center_mm": [+ -2.8625,+ -2.275+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "3",+ "shape": "roundrect",+ "center_mm": [+ -2.8625,+ -1.625+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "4",+ "shape": "roundrect",+ "center_mm": [+ -2.8625,+ -0.975+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "5",+ "shape": "roundrect",+ "center_mm": [+ -2.8625,+ -0.325+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "6",+ "shape": "roundrect",+ "center_mm": [+ -2.8625,+ 0.325+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "7",+ "shape": "roundrect",+ "center_mm": [+ -2.8625,+ 0.975+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "8",+ "shape": "roundrect",+ "center_mm": [+ -2.8625,+ 1.625+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "9",+ "shape": "roundrect",+ "center_mm": [+ -2.8625,+ 2.275+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "10",+ "shape": "roundrect",+ "center_mm": [+ -2.8625,+ 2.925+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "11",+ "shape": "roundrect",+ "center_mm": [+ 2.8625,+ 2.925+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "12",+ "shape": "roundrect",+ "center_mm": [+ 2.8625,+ 2.275+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "13",+ "shape": "roundrect",+ "center_mm": [+ 2.8625,+ 1.625+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "14",+ "shape": "roundrect",+ "center_mm": [+ 2.8625,+ 0.975+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "15",+ "shape": "roundrect",+ "center_mm": [+ 2.8625,+ 0.325+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "16",+ "shape": "roundrect",+ "center_mm": [+ 2.8625,+ -0.325+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "17",+ "shape": "roundrect",+ "center_mm": [+ 2.8625,+ -0.975+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "18",+ "shape": "roundrect",+ "center_mm": [+ 2.8625,+ -1.625+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "19",+ "shape": "roundrect",+ "center_mm": [+ 2.8625,+ -2.275+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ },+ {+ "number": "20",+ "shape": "roundrect",+ "center_mm": [+ 2.8625,+ -2.925+ ],+ "size_mm": [+ 1.475,+ 0.4+ ],+ "rot": 0.0+ }+ ]+}