component
cbm3485as8
Public Made by Adomby adom
Corebai Microelectronics RS-485 / RS-422 ICs, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.
← Commit history
cbm3485as8: restore the component block (pinout + model declarations) from this page's own README and symbol
1 file changed
+74−1
page.json+74−1@@ -33,5 +33,78 @@ "author": { "name": "Ray", "email": "[email protected]"+ },+ "component": {+ "mpn": "CBM3485AS8",+ "manufacturer": "Corebai Microelectronics",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "RS-485 / RS-422 ICs",+ "parts": {+ "symbol": "cbm3485as8.kicad_sym",+ "footprint": "cbm3485as8.kicad_mod",+ "model_3d": "cbm3485as8-etched.glb",+ "model_3d_plain": "cbm3485as8.glb",+ "model_3d_step": "cbm3485as8-etched.step",+ "model_3d_step_plain": "cbm3485as8.step",+ "lbr": "cbm3485as8.lbr"+ },+ "pins": [+ {+ "number": "1",+ "name": "RO",+ "type": "output",+ "description": "Receiver output. Drives logic-high (VOH ≥ 2.5V at IO = -1.5mA) when A-B > +0.2V, logic-low (VOL ≤ 0.4V at IO = 2.5mA) when A-B < -0.2V. High-impedance when RE is high; guaranteed logic-high when the differential input is open (fail-safe)."+ },+ {+ "number": "2",+ "name": "RE",+ "type": "input",+ "description": "Receiver output enable, active-low. When low the receiver output RO is enabled; when high RO is placed into a high-impedance (three-state) condition. VIH ≥ 2.0V, VIL ≤ 0.8V; input current ±2µA."+ },+ {+ "number": "3",+ "name": "DE",+ "type": "input",+ "description": "Driver output enable, active-high. When high the differential driver outputs A and B are enabled; when low the outputs are placed into a high-impedance state. VIH ≥ 2.0V, VIL ≤ 0.8V; input current ±2µA."+ },+ {+ "number": "4",+ "name": "DI",+ "type": "input",+ "description": "Driver input. TTL/CMOS-compatible logic input transmitted onto the differential bus (A, B) when DE is asserted. VIH ≥ 2.0V, VIL ≤ 0.8V; input current ±2µA. DI = 1 drives A high / B low; DI = 0 drives A low / B high."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground / device 0V reference. All voltages are referenced to this pin."+ },+ {+ "number": "6",+ "name": "A",+ "type": "bidirectional",+ "description": "Non-inverting differential bus I/O. Driver non-inverting output when DE is high; receiver non-inverting input when RE is low. Common-mode range -7V to +12V; input resistance 12kΩ min; receiver differential threshold ±0.2V. ±15kV IEC61000-4-2 air / ±8kV contact ESD on bus pins."+ },+ {+ "number": "7",+ "name": "B",+ "type": "bidirectional",+ "description": "Inverting differential bus I/O. Driver inverting output when DE is high; receiver inverting input when RE is low. Common-mode range -7V to +12V; input resistance 12kΩ min; receiver differential threshold ±0.2V. ±15kV IEC61000-4-2 air / ±8kV contact ESD on bus pins."+ },+ {+ "number": "8",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply, single 3.3V nominal (3.0V to 3.6V operating). No-load supply current 300µA typ (500µA typ with DE = VCC). Absolute maximum 7V."+ }+ ],+ "provenance": {+ "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ } }-}+}