component
SSP3485
Public Made by Adomby adom
Shanghai Siproin Microelectronics RS-485 / RS-422 ICs, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -37,6 +37,20 @@ SSP3485 from Shanghai Siproin Microelectronics, in a SOP-8. Pinout and pin descr - 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 |+|---|---|---|+| [`ssp3485.step`](ssp3485.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`ssp3485-etched.step`](ssp3485-etched.step) | 2.1 MB | You want the part with `SSP3485` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 494 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": "ssp3485",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Shanghai Siproin Microelectronics RS-485 / RS-422 ICs, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+11−11@@ -4,7 +4,7 @@ "slug": "ssp3485", "title": "SSP3485", "brief": "Shanghai Siproin Microelectronics RS-485 / RS-422 ICs, 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",@@ -34,19 +34,19 @@ "number": "1", "name": "RO", "type": "output",- "description": "Receiver output. Drives high when A-B \u2265 -0.05 V, low when A-B \u2264 -0.2 V, and high when A and B are open or shorted (fail-safe). High-Z when the receiver is disabled (RE high)."+ "description": "Receiver output. Drives high when A-B ≥ -0.05 V, low when A-B ≤ -0.2 V, and high when A and B are open or shorted (fail-safe). High-Z when the receiver is disabled (RE high)." }, { "number": "2", "name": "RE", "type": "input",- "description": "Active-low receiver output enable. Receiver output RO is enabled when RE is low and is high-impedance when RE is high. TTL/CMOS input (VIH \u2265 2.0 V, VIL \u2264 0.8 V)."+ "description": "Active-low receiver output enable. Receiver output RO is enabled when RE is low and is high-impedance when RE is high. TTL/CMOS input (VIH ≥ 2.0 V, VIL ≤ 0.8 V)." }, { "number": "3", "name": "DE", "type": "input",- "description": "Driver output enable. Driver outputs A and B are enabled when DE is high and are high-impedance when DE is low. TTL/CMOS input (VIH \u2265 2.0 V, VIL \u2264 0.8 V)."+ "description": "Driver output enable. Driver outputs A and B are enabled when DE is high and are high-impedance when DE is low. TTL/CMOS input (VIH ≥ 2.0 V, VIL ≤ 0.8 V)." }, { "number": "4",@@ -64,19 +64,19 @@ "number": "6", "name": "A", "type": "bidirectional",- "description": "Non-inverting RS-485/RS-422 bus pin. Receiver differential input and driver differential output. \u00b115 kV HBM ESD protected; withstands -7 V to +12 V common-mode; 96 k\u03a9 minimum input resistance (1/8 unit load)."+ "description": "Non-inverting RS-485/RS-422 bus pin. Receiver differential input and driver differential output. ±15 kV HBM ESD protected; withstands -7 V to +12 V common-mode; 96 kΩ minimum input resistance (1/8 unit load)." }, { "number": "7", "name": "B", "type": "bidirectional",- "description": "Inverting RS-485/RS-422 bus pin. Receiver differential input and driver differential output. \u00b115 kV HBM ESD protected; withstands -7 V to +12 V common-mode; 96 k\u03a9 minimum input resistance (1/8 unit load)."+ "description": "Inverting RS-485/RS-422 bus pin. Receiver differential input and driver differential output. ±15 kV HBM ESD protected; withstands -7 V to +12 V common-mode; 96 kΩ minimum input resistance (1/8 unit load)." }, { "number": "8", "name": "VDD", "type": "power_in",- "description": "Supply voltage input, +5 V nominal (absolute max -0.3 V to +7 V). Bypass to GND with a 0.1 \u00b5F ceramic capacitor close to the pin."+ "description": "Supply voltage input, +5 V nominal (absolute max -0.3 V to +7 V). Bypass to GND with a 0.1 µF ceramic capacitor close to the pin." } ], "provenance": {@@ -150,9 +150,9 @@ "docs/hero.png", "docs/ssp3485-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "Shanghai Siproin Microelectronics RS-485 / RS-422 ICs, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D." }