component
SN74LVC257APWR
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
sn74lvc257apwr: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
2 files changed
+89−9
package.json+47−7@@ -71,7 +71,7 @@ "number": "4", "name": "1Y", "type": "tri_state",- "description": "Tri-state multiplexer output for channel 1; VOH \u2265 VCC \u2212 0.2 V at IOH = \u2212100 \u03bcA, VOL \u2264 0.2 V at IOL = 100 \u03bcA."+ "description": "Tri-state multiplexer output for channel 1; VOH ≥ VCC − 0.2 V at IOH = −100 μA, VOL ≤ 0.2 V at IOL = 100 μA." }, { "number": "5",@@ -89,7 +89,7 @@ "number": "7", "name": "2Y", "type": "tri_state",- "description": "Tri-state multiplexer output for channel 2; VOH \u2265 VCC \u2212 0.2 V at IOH = \u2212100 \u03bcA, VOL \u2264 0.2 V at IOL = 100 \u03bcA."+ "description": "Tri-state multiplexer output for channel 2; VOH ≥ VCC − 0.2 V at IOH = −100 μA, VOL ≤ 0.2 V at IOL = 100 μA." }, { "number": "8",@@ -101,7 +101,7 @@ "number": "9", "name": "3Y", "type": "tri_state",- "description": "Tri-state multiplexer output for channel 3; VOH \u2265 VCC \u2212 0.2 V at IOH = \u2212100 \u03bcA, VOL \u2264 0.2 V at IOL = 100 \u03bcA."+ "description": "Tri-state multiplexer output for channel 3; VOH ≥ VCC − 0.2 V at IOH = −100 μA, VOL ≤ 0.2 V at IOL = 100 μA." }, { "number": "10",@@ -119,7 +119,7 @@ "number": "12", "name": "4Y", "type": "tri_state",- "description": "Tri-state multiplexer output for channel 4; VOH \u2265 VCC \u2212 0.2 V at IOH = \u2212100 \u03bcA, VOL \u2264 0.2 V at IOL = 100 \u03bcA."+ "description": "Tri-state multiplexer output for channel 4; VOH ≥ VCC − 0.2 V at IOH = −100 μA, VOL ≤ 0.2 V at IOL = 100 μA." }, { "number": "13",@@ -143,7 +143,7 @@ "number": "16", "name": "VCC", "type": "power_in",- "description": "Positive power supply voltage; operating range 1.65 V to 3.6 V; add 0.1 \u03bcF bypass capacitor per pin."+ "description": "Positive power supply voltage; operating range 1.65 V to 3.6 V; add 0.1 μF bypass capacitor per pin." } ], "provenance": {@@ -178,6 +178,46 @@ "viewers": { "symbol": "viewers/symbol.html", "footprint": "viewers/footprint.html"- }+ },+ "models_3d": [+ {+ "file": "sn74lvc257apwr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5.0,+ 1.1+ ],+ "zmin_mm": -0.0,+ "centre_offset_mm": 0.0,+ "footprint_binding": "identity",+ "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "sn74lvc257apwr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5.0,+ 1.1+ ],+ "zmin_mm": -0.0,+ "centre_offset_mm": 0.0,+ "footprint_binding": "identity",+ "sha256": "1a3470f89794a55735a7bd33b5769a8808c177704600538c90416088c6e20cbe",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ] }-}+}
page.json+42−2@@ -163,7 +163,47 @@ "viewers": { "symbol": "viewers/symbol.html", "footprint": "viewers/footprint.html"- }+ },+ "models_3d": [+ {+ "file": "sn74lvc257apwr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5.0,+ 1.1+ ],+ "zmin_mm": -0.0,+ "centre_offset_mm": 0.0,+ "footprint_binding": "identity",+ "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "sn74lvc257apwr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5.0,+ 1.1+ ],+ "zmin_mm": -0.0,+ "centre_offset_mm": 0.0,+ "footprint_binding": "identity",+ "sha256": "1a3470f89794a55735a7bd33b5769a8808c177704600538c90416088c6e20cbe",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ] }, "metadata": { "specs": {@@ -211,4 +251,4 @@ "public": true }, "updated_at": "2026-09-25T07:42:12.562Z"-}+}