component
UM3483EESA
Public Made by Adomby adom
Union Semiconductor RS-485 / RS-422 ICs, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+10−7@@ -32,13 +32,13 @@ "number": "1", "name": "RO", "type": "output",- "description": "Receiver Output. CMOS logic-level output of the RS-485 receiver. VOH \u2265 VCC-1.5V at IOUT=-1.5mA; VOL \u2264 0.4V at IOUT=2.5mA. High-impedance when /RE is high; fail-safe high when inputs are open, shorted, or idle."+ "description": "Receiver Output. CMOS logic-level output of the RS-485 receiver. VOH ≥ VCC-1.5V at IOUT=-1.5mA; VOL ≤ 0.4V at IOUT=2.5mA. High-impedance when /RE is high; fail-safe high when inputs are open, shorted, or idle." }, { "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. Combined with DE=low, forces the device into low-power shutdown (ISHDN = 1\u00b5A)."+ "description": "Receiver Output Enable (active low). Drive low to enable the receiver output RO; drive high to place RO in high-impedance. Combined with DE=low, forces the device into low-power shutdown (ISHDN = 1µA)." }, { "number": "3",@@ -50,7 +50,7 @@ "number": "4", "name": "DI", "type": "input",- "description": "Driver Input. CMOS logic-level input to the RS-485 driver. VIH \u2265 2.0V, VIL \u2264 0.8V. Logic level on DI is transmitted differentially onto A/B when DE is high."+ "description": "Driver Input. CMOS logic-level input to the RS-485 driver. VIH ≥ 2.0V, VIL ≤ 0.8V. Logic level on DI is transmitted differentially onto A/B when DE is high." }, { "number": "5",@@ -62,19 +62,19 @@ "number": "6", "name": "A", "type": "bidirectional",- "description": "Non-inverting differential RS-485 bus line. Driver output when DE=high, receiver input when /RE=low. Common-mode operating range -7V to +12V; \u00b115kV HBM / \u00b115kV IEC61000-4-2 air-gap / \u00b18kV IEC61000-4-2 contact ESD protected."+ "description": "Non-inverting differential RS-485 bus line. Driver output when DE=high, receiver input when /RE=low. Common-mode operating range -7V to +12V; ±15kV HBM / ±15kV IEC61000-4-2 air-gap / ±8kV IEC61000-4-2 contact ESD protected." }, { "number": "7", "name": "B", "type": "bidirectional",- "description": "Inverting differential RS-485 bus line. Driver output when DE=high, receiver input when /RE=low. Common-mode operating range -7V to +12V; \u00b115kV HBM / \u00b115kV IEC61000-4-2 air-gap / \u00b18kV IEC61000-4-2 contact ESD protected."+ "description": "Inverting differential RS-485 bus line. Driver output when DE=high, receiver input when /RE=low. Common-mode operating range -7V to +12V; ±15kV HBM / ±15kV IEC61000-4-2 air-gap / ±8kV IEC61000-4-2 contact ESD protected." }, { "number": "8", "name": "VCC", "type": "power_in",- "description": "Positive supply, +3V to +5.5V operating range (+7V absolute max). Typical operating supply current 300\u00b5A (no load). Bypass with a local decoupling capacitor to GND."+ "description": "Positive supply, +3V to +5.5V operating range (+7V absolute max). Typical operating supply current 300µA (no load). Bypass with a local decoupling capacitor to GND." } ], "provenance": {@@ -138,5 +138,8 @@ "docs/um3483eesa-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }