component
SN65HVD1781DR
Public Made by Adomby adom
Texas Instruments 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": "sn65hvd1781dr",+ "title": "SN65HVD1781DR",+ "brief": "Texas Instruments RS-485 / RS-422 ICs, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Texas Instruments RS-485 / RS-422 ICs, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "interface", "sn65hvd1781dr" ],+ "component": {+ "mpn": "SN65HVD1781DR",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Interface",+ "subcategory": "RS-485 / RS-422 ICs",+ "datasheet": "https://www.ti.com/lit/ds/symlink/sn65hvd1781.pdf",+ "parts": {+ "symbol": "sn65hvd1781dr.kicad_sym",+ "footprint": "sn65hvd1781dr.kicad_mod",+ "model_3d": "sn65hvd1781dr.glb",+ "model_3d_step": "sn65hvd1781dr.step",+ "lbr": "sn65hvd1781dr.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "R",+ "type": "output",+ "description": "Receiver data output. CMOS-level output presenting the demodulated state of the differential bus (A vs B). Drives up to \u00b18 mA (VOH \u2265 2.4 V, VOL \u2264 0.4 V)."+ },+ {+ "number": "2",+ "name": "RE",+ "type": "input",+ "description": "Receiver enable, active low. Drive low (or tie to GND) to enable the receiver output R; drive high (or tie to VCC) to place R in high-impedance. Combine with DE=low for standby/low-power mode."+ },+ {+ "number": "3",+ "name": "DE",+ "type": "input",+ "description": "Driver enable, active high. Drive high to enable the differential driver (A/B); drive low to place the driver outputs in high-impedance. Combine with RE=high for standby/low-power mode (ICC \u2264 1 \u00b5A)."+ },+ {+ "number": "4",+ "name": "D",+ "type": "input",+ "description": "Driver data input. CMOS logic input whose state (with DE=high) sets the differential polarity between bus pins A and B. VIH \u2265 2 V, VIL \u2264 0.8 V."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for the device. Connect to the system ground plane."+ },+ {+ "number": "6",+ "name": "A",+ "type": "bidirectional",+ "description": "Non-inverting RS-485 bus I/O. Driver output or receiver input, complementary to B. Fault-protected to \u00b170 V and \u00b116 kV HBM ESD; withstands -7 V to +12 V common-mode in normal operation."+ },+ {+ "number": "7",+ "name": "B",+ "type": "bidirectional",+ "description": "Inverting RS-485 bus I/O. Driver output or receiver input, complementary to A. Fault-protected to \u00b170 V and \u00b116 kV HBM ESD; withstands -7 V to +12 V common-mode in normal operation."+ },+ {+ "number": "8",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply. 3.15 V to 5.5 V recommended operating range (4.5 V to 5.5 V per Pin Functions table for full RS-485 compliance). Bypass locally with a 0.1 \u00b5F ceramic capacitor to GND."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/sn65hvd1781.pdf",+ "pages": 34,+ "sha256": "f8736dab94b48730",+ "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": "Texas Instruments",+ "Package": "SOIC-8",+ "Category": "Interface",+ "Pins": "8"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "sn65hvd1781dr"+ ],+ "discovery_pitch": "SN65HVD1781DR (Texas Instruments) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +138,5 @@ "docs/sn65hvd1781dr-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }