component

CD74AC257M

Public Made by Adom

by adom

Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentlogiccd74ac257mfactory-2.0.0extractor-text
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cd74ac257m: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)

Ray ·297f8d1cf9 · ·parent 77e70ee
2 files changed +85−5
package.json+43−3page.json+42−2
package.json+43−3
@@ -159,7 +159,7 @@         "number": "16",         "name": "VCC",         "type": "power_in",-        "description": "Positive power supply; 1.5V to 5.5V operating range for AC type, temperature range -55\u00b0C to 125\u00b0C."+        "description": "Positive power supply; 1.5V to 5.5V operating range for AC type, temperature range -55°C to 125°C."       }     ],     "provenance": {@@ -194,6 +194,46 @@     "viewers": {       "symbol": "viewers/symbol.html",       "footprint": "viewers/footprint.html"-    }+    },+    "models_3d": [+      {+        "file": "cd74ac257m.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.0,+          9.9,+          1.75+        ],+        "zmin_mm": -0.0,+        "centre_offset_mm": 0.0,+        "footprint_binding": "identity",+        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "cd74ac257m-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.0,+          9.9,+          1.75+        ],+        "zmin_mm": -0.0,+        "centre_offset_mm": 0.0,+        "footprint_binding": "identity",+        "sha256": "aba745b68436b36996bb03401bc5cb9b8676b5a2c9ddda5825bb4659bc1e4026",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      }+    ]   }-}\ No newline at end of file+}
page.json+42−2
@@ -179,7 +179,47 @@     "viewers": {       "symbol": "viewers/symbol.html",       "footprint": "viewers/footprint.html"-    }+    },+    "models_3d": [+      {+        "file": "cd74ac257m.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.0,+          9.9,+          1.75+        ],+        "zmin_mm": -0.0,+        "centre_offset_mm": 0.0,+        "footprint_binding": "identity",+        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "cd74ac257m-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.0,+          9.9,+          1.75+        ],+        "zmin_mm": -0.0,+        "centre_offset_mm": 0.0,+        "footprint_binding": "identity",+        "sha256": "aba745b68436b36996bb03401bc5cb9b8676b5a2c9ddda5825bb4659bc1e4026",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      }+    ]   },   "metadata": {     "specs": {@@ -226,4 +266,4 @@   "visibility": {     "public": true   }-}\ No newline at end of file+}