component
ST485BDR
Public Made by Adomby adom
STMicroelectronics RS-485 / RS-422 ICs, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
page.json+116−8@@ -1,13 +1,126 @@ {+ "schema_version": 1,+ "type": "component", "slug": "st485bdr",+ "title": "ST485BDR",+ "brief": "STMicroelectronics RS-485 / RS-422 ICs, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "STMicroelectronics RS-485 / RS-422 ICs, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "interface", "st485bdr" ],+ "component": {+ "mpn": "ST485BDR",+ "manufacturer": "STMicroelectronics",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Interface",+ "subcategory": "RS-485 / RS-422 ICs",+ "datasheet": "https://www.st.com/resource/en/datasheet/st485bdr.pdf",+ "parts": {+ "symbol": "st485bdr.kicad_sym",+ "footprint": "st485bdr.kicad_mod",+ "model_3d": "st485bdr.glb",+ "model_3d_step": "st485bdr.step",+ "lbr": "st485bdr.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "RO",+ "type": "output",+ "description": "Receiver output. CMOS-level logic output that reflects the differential polarity of A vs B; high when (A-B) >= +0.2 V, low when (A-B) <= -0.2 V. High-impedance (tri-state) when RE is high. VOH >= 3.5 V at IO = -4 mA; VOL <= 0.4 V at IO = 4 mA."+ },+ {+ "number": "2",+ "name": "RE",+ "type": "input",+ "description": "Receiver output enable (active-low). Drive low to enable the receiver output RO; drive high to place RO in high-impedance state. Input high >= 2.0 V, input low <= 0.8 V; input leakage \u00b12 \u00b5A."+ },+ {+ "number": "3",+ "name": "DE",+ "type": "input",+ "description": "Driver output enable (active-high). Drive high to enable the differential driver outputs A/B; drive low to place A and B in high-impedance state (disables driver, allowing bus sharing). Input high >= 2.0 V, input low <= 0.8 V."+ },+ {+ "number": "4",+ "name": "DI",+ "type": "input",+ "description": "Driver input. CMOS-level TTL-compatible logic input; when DE is high, DI high forces A high and B low, DI low forces A low and B high. Input high >= 2.0 V, input low <= 0.8 V; leakage \u00b12 \u00b5A."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground / 0 V reference for the device."+ },+ {+ "number": "6",+ "name": "A",+ "type": "bidirectional",+ "description": "Non-inverting differential bus pin: non-inverting receiver input and non-inverting driver output. Tolerates -7 V to +12 V common-mode; \u00b114 V absolute maximum. Receiver input impedance >= 24 k\u03a9."+ },+ {+ "number": "7",+ "name": "B",+ "type": "bidirectional",+ "description": "Inverting differential bus pin: inverting receiver input and inverting driver output. Tolerates -7 V to +12 V common-mode; \u00b114 V absolute maximum. Receiver input impedance >= 24 k\u03a9."+ },+ {+ "number": "8",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply. Nominal 5 V \u00b1 5 % (single supply). Absolute maximum 7 V. Quiescent supply current 300 \u00b5A typ. (unloaded, driver disabled)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.st.com/resource/en/datasheet/st485bdr.pdf",+ "pages": 19,+ "sha256": "16bf6365fefdf622",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "STMicroelectronics",+ "Package": "SOIC-8",+ "Category": "Interface",+ "Pins": "8"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "st485bdr"+ ],+ "discovery_pitch": "ST485BDR (STMicroelectronics) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +138,5 @@ "docs/st485bdr-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }