component
GM490E
Public Made by Adomby adom
GATEMODE RS-485/RS-422 ICs, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+11−8@@ -32,19 +32,19 @@ "number": "1", "name": "VCC", "type": "power_in",- "description": "Positive supply. 4.75V \u2264 VCC \u2264 5.25V (5V \u00b15%). Absolute max 6.5V. Bypass with a 0.1\u00b5F capacitor to GND."+ "description": "Positive supply. 4.75V ≤ VCC ≤ 5.25V (5V ±5%). Absolute max 6.5V. Bypass with a 0.1µF capacitor to GND." }, { "number": "2", "name": "RO", "type": "output",- "description": "Receiver Output. If A\u2212B > 200mV, RO is high; if A\u2212B < \u2212200mV, RO is low. VOH \u2265 3.5V at \u22124mA, VOL \u2264 0.4V at 4mA. Fail-safe high with open inputs."+ "description": "Receiver Output. If A−B > 200mV, RO is high; if A−B < −200mV, RO is low. VOH ≥ 3.5V at −4mA, VOL ≤ 0.4V at 4mA. Fail-safe high with open inputs." }, { "number": "3", "name": "DI", "type": "input",- "description": "Driver Input. A low on DI forces output Y low and output Z high; a high on DI forces Y high and Z low. VIH \u2265 2.0V, VIL \u2264 0.8V."+ "description": "Driver Input. A low on DI forces output Y low and output Z high; a high on DI forces Y high and Z low. VIH ≥ 2.0V, VIL ≤ 0.8V." }, { "number": "4",@@ -56,25 +56,25 @@ "number": "5", "name": "Y", "type": "output",- "description": "Non-inverting Driver Output (RS-485/RS-422 bus line). Differential driver output pair with Z; VOD \u2265 1.5V into 27\u03a9 (RS-485) or \u2265 2V into 50\u03a9 (RS-422). \u00b115kV HBM ESD protection, short-circuit current limited (35-250mA) with thermal shutdown."+ "description": "Non-inverting Driver Output (RS-485/RS-422 bus line). Differential driver output pair with Z; VOD ≥ 1.5V into 27Ω (RS-485) or ≥ 2V into 50Ω (RS-422). ±15kV HBM ESD protection, short-circuit current limited (35-250mA) with thermal shutdown." }, { "number": "6", "name": "Z", "type": "output",- "description": "Inverting Driver Output (RS-485/RS-422 bus line). Complementary to Y. \u00b115kV HBM ESD protection, short-circuit current limited (35-250mA) with thermal shutdown."+ "description": "Inverting Driver Output (RS-485/RS-422 bus line). Complementary to Y. ±15kV HBM ESD protection, short-circuit current limited (35-250mA) with thermal shutdown." }, { "number": "7", "name": "B", "type": "input",- "description": "Inverting Receiver Input (RS-485/RS-422 bus line). Differential input with A; \u0394VTH \u00b1200mV, 70mV typ hysteresis, 96k\u03a9 min input resistance (1/8 unit load, allows up to 256 nodes). Input range \u22127V \u2264 VCM \u2264 12V. \u00b115kV HBM ESD protection."+ "description": "Inverting Receiver Input (RS-485/RS-422 bus line). Differential input with A; ΔVTH ±200mV, 70mV typ hysteresis, 96kΩ min input resistance (1/8 unit load, allows up to 256 nodes). Input range −7V ≤ VCM ≤ 12V. ±15kV HBM ESD protection." }, { "number": "8", "name": "A", "type": "input",- "description": "Non-inverting Receiver Input (RS-485/RS-422 bus line). Differential input with B; \u0394VTH \u00b1200mV, 70mV typ hysteresis, 96k\u03a9 min input resistance (1/8 unit load). Input range \u22127V \u2264 VCM \u2264 12V. \u00b115kV HBM ESD protection."+ "description": "Non-inverting Receiver Input (RS-485/RS-422 bus line). Differential input with B; ΔVTH ±200mV, 70mV typ hysteresis, 96kΩ min input resistance (1/8 unit load). Input range −7V ≤ VCM ≤ 12V. ±15kV HBM ESD protection." } ], "provenance": {@@ -138,5 +138,8 @@ "docs/gm490e-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }