component
SIT1040T
Public Made by Adomby adom
SIT CAN Controllers, SO-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -36,6 +36,20 @@ SIT1040T from SIT, in a SO-8. Pinout and pin descriptions extracted from the man - Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm` - 3D model: SO-8 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`sit1040t.step`](sit1040t.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`sit1040t-etched.step`](sit1040t-etched.step) | 1.6 MB | You want the part with `SIT1040T` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 422 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:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "sit1040t",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "SIT CAN Controllers, SO-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+11−11@@ -4,7 +4,7 @@ "slug": "sit1040t", "title": "SIT1040T", "brief": "SIT CAN Controllers, SO-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -34,7 +34,7 @@ "number": "1", "name": "TXD", "type": "input",- "description": "Transmit data input from the CAN protocol controller. Drives the bus dominant when low and recessive when high. 3.3 V / 5 V logic compatible; VIH \u2265 2 V, VIL \u2264 0.8 V. Internal pull-up leaves TXD in the recessive state when floating (TXD_O = H)."+ "description": "Transmit data input from the CAN protocol controller. Drives the bus dominant when low and recessive when high. 3.3 V / 5 V logic compatible; VIH ≥ 2 V, VIL ≤ 0.8 V. Internal pull-up leaves TXD in the recessive state when floating (TXD_O = H)." }, { "number": "2",@@ -52,31 +52,31 @@ "number": "4", "name": "RXD", "type": "output",- "description": "Receive data output to the CAN protocol controller. Reports the bus state: LOW when the bus is dominant, HIGH when recessive. Push-pull output; VOH \u2265 4 V @ IO = -2 mA, VOL \u2264 0.4 V @ IO = 2 mA."+ "description": "Receive data output to the CAN protocol controller. Reports the bus state: LOW when the bus is dominant, HIGH when recessive. Push-pull output; VOH ≥ 4 V @ IO = -2 mA, VOL ≤ 0.4 V @ IO = 2 mA." }, { "number": "5", "name": "SPLIT", "type": "output",- "description": "Common-mode stabilization output, nominally VCC/2 (0.3\u00b7VCC to 0.7\u00b7VCC for |IO| < 500 \u00b5A). Intended to be tied to the center tap of a split termination network to stabilize the bus common-mode voltage and improve EMC."+ "description": "Common-mode stabilization output, nominally VCC/2 (0.3·VCC to 0.7·VCC for |IO| < 500 µA). Intended to be tied to the center tap of a split termination network to stabilize the bus common-mode voltage and improve EMC." }, { "number": "6", "name": "CANL", "type": "bidirectional",- "description": "Low-level CAN bus line. Driven low in the dominant state and biased to ~VCC/2 in the recessive state. Rated -40 V to +40 V continuous, \u00b1200 V transient; \u00b18 kV HBM ESD."+ "description": "Low-level CAN bus line. Driven low in the dominant state and biased to ~VCC/2 in the recessive state. Rated -40 V to +40 V continuous, ±200 V transient; ±8 kV HBM ESD." }, { "number": "7", "name": "CANH", "type": "bidirectional",- "description": "High-level CAN bus line. Driven high in the dominant state and biased to ~VCC/2 in the recessive state. Rated -40 V to +40 V continuous, \u00b1200 V transient; \u00b18 kV HBM ESD."+ "description": "High-level CAN bus line. Driven high in the dominant state and biased to ~VCC/2 in the recessive state. Rated -40 V to +40 V continuous, ±200 V transient; ±8 kV HBM ESD." }, { "number": "8", "name": "STB", "type": "input",- "description": "Standby mode control input. STB = 0 selects normal (high-speed) operation; STB = 1 selects low-power standby (~5 \u00b5A typical) with bus wake-up capability. VIH \u2265 2.0 V, VIL \u2264 0.8 V."+ "description": "Standby mode control input. STB = 0 selects normal (high-speed) operation; STB = 1 selects low-power standby (~5 µA typical) with bus wake-up capability. VIH ≥ 2.0 V, VIL ≤ 0.8 V." } ], "provenance": {@@ -150,9 +150,9 @@ "docs/hero.png", "docs/sit1040t-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "SIT CAN Controllers, SO-8. Datasheet-verified pinout, KiCad symbol/footprint/3D." }