SIT1021T

@@ -37,6 +37,20 @@ SIT1021T from SIT, in a SOP-8. Pinout and pin descriptions extracted from the ma - Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm` - 3D model: SOP-8 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`sit1021t.step`](sit1021t.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`sit1021t-etched.step`](sit1021t-etched.step) | 1.6 MB | You want the part with `SIT1021T` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 405 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:

@@ -1,6 +1,6 @@ {   "slug": "sit1021t",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "SIT LIN Transceivers, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [

@@ -4,7 +4,7 @@   "slug": "sit1021t",   "title": "SIT1021T",   "brief": "SIT LIN Transceivers, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",-  "version": "0.1.0",+  "version": "0.2.0",   "license": "CC-BY-SA-4.0",   "tags": [     "component",@@ -40,19 +40,19 @@         "number": "2",         "name": "SLP_N",         "type": "input",-        "description": "Sleep control input (active LOW). Controls the INH output and resets the wake-up source flag on TXD and wake-up request on RXD. Internal pull-down (140-1200 k\u03a9, typ. 500 k\u03a9) forces sleep if left floating. V_IH \u2265 2 V, V_IL \u2264 0.8 V; abs max \u22120.3 to +7 V."+        "description": "Sleep control input (active LOW). Controls the INH output and resets the wake-up source flag on TXD and wake-up request on RXD. Internal pull-down (140-1200 kΩ, typ. 500 kΩ) forces sleep if left floating. V_IH ≥ 2 V, V_IL ≤ 0.8 V; abs max −0.3 to +7 V."       },       {         "number": "3",         "name": "WAKE_N",         "type": "input",-        "description": "Local wake-up input (active LOW); negative edge triggered. Internal pull-up path to VBAT; tolerates \u22120.3 to +42 V. If unused, tie to VBAT to prevent EMI issues. V_IH \u2265 VBAT\u22121 V, V_IL \u2264 VBAT\u22123.3 V."+        "description": "Local wake-up input (active LOW); negative edge triggered. Internal pull-up path to VBAT; tolerates −0.3 to +42 V. If unused, tie to VBAT to prevent EMI issues. V_IH ≥ VBAT−1 V, V_IL ≤ VBAT−3.3 V."       },       {         "number": "4",         "name": "TXD",         "type": "input",-        "description": "Transmit data input from the microcontroller; LOW drives the LIN bus dominant, HIGH recessive. Becomes an active LOW output after a local wake-up event to indicate wake-up source. Internal pull-down (140-1200 k\u03a9, typ. 500 k\u03a9) applies a safe default when unused. V_IH \u2265 2 V, V_IL \u2264 0.8 V."+        "description": "Transmit data input from the microcontroller; LOW drives the LIN bus dominant, HIGH recessive. Becomes an active LOW output after a local wake-up event to indicate wake-up source. Internal pull-down (140-1200 kΩ, typ. 500 kΩ) applies a safe default when unused. V_IH ≥ 2 V, V_IL ≤ 0.8 V."       },       {         "number": "5",@@ -64,19 +64,19 @@         "number": "6",         "name": "LIN",         "type": "bidirectional",-        "description": "LIN bus line I/O. Single-wire physical bus interface, compliant with LIN 2.x / ISO 17987-4:2016 (12V) and SAE J2602. Withstands \u00b142 V. Internally pulled high via slave termination resistor (30 k\u03a9 typ.) and a series diode; master applications require an external ~1 k\u03a9 pull-up plus series diode to VBAT."+        "description": "LIN bus line I/O. Single-wire physical bus interface, compliant with LIN 2.x / ISO 17987-4:2016 (12V) and SAE J2602. Withstands ±42 V. Internally pulled high via slave termination resistor (30 kΩ typ.) and a series diode; master applications require an external ~1 kΩ pull-up plus series diode to VBAT."       },       {         "number": "7",         "name": "VBAT",         "type": "power_in",-        "description": "Battery supply voltage input. Operating range in automotive 12 V systems; absolute max \u22120.3 to +42 V. Power-on-reset thresholds: V_th(VBATL)L 3.9-4.7 V, V_th(VBATL)H 4.2-5.1 V. Typical current draw 3 \u00b5A (Sleep) / 380 \u00b5A (Normal recessive) / 1.4 mA (Normal dominant, VBAT=12 V)."+        "description": "Battery supply voltage input. Operating range in automotive 12 V systems; absolute max −0.3 to +42 V. Power-on-reset thresholds: V_th(VBATL)L 3.9-4.7 V, V_th(VBATL)H 4.2-5.1 V. Typical current draw 3 µA (Sleep) / 380 µA (Normal recessive) / 1.4 mA (Normal dominant, VBAT=12 V)."       },       {         "number": "8",         "name": "INH",         "type": "output",-        "description": "Battery-related inhibit output for controlling an external voltage regulator. Active HIGH after a wake-up event; floats in Sleep mode and is high in all other modes. Output voltage range \u22120.3 V to VBAT+0.3 V."+        "description": "Battery-related inhibit output for controlling an external voltage regulator. Active HIGH after a wake-up event; floats in Sleep mode and is high in all other modes. Output voltage range −0.3 V to VBAT+0.3 V."       }     ],     "provenance": {@@ -150,9 +150,9 @@     "docs/hero.png",     "docs/sit1021t-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ],-  "visibility": {-    "public": true-  }+  "visibility": "public",+  "description": "SIT LIN Transceivers, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D." }\ No newline at end of file