component
ST485ERBDR
Public Made by Adomby adom
STMicroelectronics RS-485 / RS-422 ICs, SO-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+11−8@@ -32,25 +32,25 @@ "number": "1", "name": "RO", "type": "output",- "description": "Receiver output. CMOS logic-level output representing the received differential state on A/B. High-impedance when RE is high (receiver disabled). VOH \u2265 3.5 V @ IO = -4 mA; VOL \u2264 0.4 V @ IO = 4 mA."+ "description": "Receiver output. CMOS logic-level output representing the received differential state on A/B. High-impedance when RE is high (receiver disabled). VOH ≥ 3.5 V @ IO = -4 mA; VOL ≤ 0.4 V @ IO = 4 mA." }, { "number": "2", "name": "~RE", "type": "input",- "description": "Receiver output enable (active-low). Drive low to enable RO; drive high to place RO in high-impedance. Logic input: VIH \u2265 2.0 V, VIL \u2264 0.8 V, IIN \u2248 \u00b12 \u00b5A."+ "description": "Receiver output enable (active-low). Drive low to enable RO; drive high to place RO in high-impedance. Logic input: VIH ≥ 2.0 V, VIL ≤ 0.8 V, IIN ≈ ±2 µA." }, { "number": "3", "name": "DE", "type": "input",- "description": "Driver output enable (active-high). Drive high to enable the A/B differential driver outputs; drive low to place the driver outputs in high-impedance (3-state). Logic input: VIH \u2265 2.0 V, VIL \u2264 0.8 V."+ "description": "Driver output enable (active-high). Drive high to enable the A/B differential driver outputs; drive low to place the driver outputs in high-impedance (3-state). Logic input: VIH ≥ 2.0 V, VIL ≤ 0.8 V." }, { "number": "4", "name": "DI", "type": "input",- "description": "Driver input. CMOS logic-level input; when DE is high, DI = H drives B low and A high, DI = L drives B high and A low. VIH \u2265 2.0 V, VIL \u2264 0.8 V."+ "description": "Driver input. CMOS logic-level input; when DE is high, DI = H drives B low and A high, DI = L drives B high and A low. VIH ≥ 2.0 V, VIL ≤ 0.8 V." }, { "number": "5",@@ -62,19 +62,19 @@ "number": "6", "name": "A", "type": "bidirectional",- "description": "Non-inverting receiver input and non-inverting driver output of the RS-485/RS-422 differential bus. Withstands \u00b115 kV HBM / \u00b18 kV IEC-1000-4-2 ESD and -7 V to +12 V common-mode bus voltage. Receiver threshold VTH \u00b10.2 V referenced to B; input resistance \u2265 24 k\u03a9."+ "description": "Non-inverting receiver input and non-inverting driver output of the RS-485/RS-422 differential bus. Withstands ±15 kV HBM / ±8 kV IEC-1000-4-2 ESD and -7 V to +12 V common-mode bus voltage. Receiver threshold VTH ±0.2 V referenced to B; input resistance ≥ 24 kΩ." }, { "number": "7", "name": "B", "type": "bidirectional",- "description": "Inverting receiver input and inverting driver output of the RS-485/RS-422 differential bus. Withstands \u00b115 kV HBM / \u00b18 kV IEC-1000-4-2 ESD and -7 V to +12 V common-mode bus voltage. Complementary to A."+ "description": "Inverting receiver input and inverting driver output of the RS-485/RS-422 differential bus. Withstands ±15 kV HBM / ±8 kV IEC-1000-4-2 ESD and -7 V to +12 V common-mode bus voltage. Complementary to A." }, { "number": "8", "name": "VCC", "type": "power_in",- "description": "Supply voltage input, nominal 5 V (absolute maximum 7 V). Decouple locally to GND. Typical no-load supply current 300 \u00b5A (VDE = 0 V)."+ "description": "Supply voltage input, nominal 5 V (absolute maximum 7 V). Decouple locally to GND. Typical no-load supply current 300 µA (VDE = 0 V)." } ], "provenance": {@@ -144,5 +144,8 @@ "docs/st485erbdr-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }