component
MAX485ESA
Public Made by Adomby adom
UMW RS-485 / RS-422 ICs, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+10−7@@ -38,19 +38,19 @@ "number": "2", "name": "~RE", "type": "input",- "description": "Receiver Output Enable, active-low. Drive low to enable receiver (RO active), drive high to place RO into high-impedance state. CMOS logic input referenced to VCC (VIH >= 2V, VIL <= 0.8V, IIN = \u00b12\u00b5A max)."+ "description": "Receiver Output Enable, active-low. Drive low to enable receiver (RO active), drive high to place RO into high-impedance state. CMOS logic input referenced to VCC (VIH >= 2V, VIL <= 0.8V, IIN = ±2µA max)." }, { "number": "3", "name": "DE", "type": "input",- "description": "Driver Output Enable, active-high. Drive high to enable the RS-485 driver outputs A and B, drive low to place A and B into high-impedance. CMOS logic input (VIH >= 2V, VIL <= 0.8V, IIN = \u00b12\u00b5A max)."+ "description": "Driver Output Enable, active-high. Drive high to enable the RS-485 driver outputs A and B, drive low to place A and B into high-impedance. CMOS logic input (VIH >= 2V, VIL <= 0.8V, IIN = ±2µA max)." }, { "number": "4", "name": "DI", "type": "input",- "description": "Driver Input. CMOS logic input carrying the transmit data to be driven onto the RS-485 differential bus. When DE=1: DI=1 forces A=1/B=0, DI=0 forces A=0/B=1. VIH >= 2V, VIL <= 0.8V, IIN = \u00b12\u00b5A max."+ "description": "Driver Input. CMOS logic input carrying the transmit data to be driven onto the RS-485 differential bus. When DE=1: DI=1 forces A=1/B=0, DI=0 forces A=0/B=1. VIH >= 2V, VIL <= 0.8V, IIN = ±2µA max." }, { "number": "5",@@ -62,19 +62,19 @@ "number": "6", "name": "A", "type": "bidirectional",- "description": "Non-inverting RS-485/RS-422 differential bus line. Acts as a driver output when DE=1 and as a receiver input when RE is low. Absolute range -8V to +12.5V; common-mode range -7V to +12V; receiver input resistance >= 12k\u03a9."+ "description": "Non-inverting RS-485/RS-422 differential bus line. Acts as a driver output when DE=1 and as a receiver input when RE is low. Absolute range -8V to +12.5V; common-mode range -7V to +12V; receiver input resistance >= 12kΩ." }, { "number": "7", "name": "B", "type": "bidirectional",- "description": "Inverting RS-485/RS-422 differential bus line. Acts as a driver output when DE=1 and as a receiver input when RE is low. Absolute range -8V to +12.5V; common-mode range -7V to +12V; receiver input resistance >= 12k\u03a9."+ "description": "Inverting RS-485/RS-422 differential bus line. Acts as a driver output when DE=1 and as a receiver input when RE is low. Absolute range -8V to +12.5V; common-mode range -7V to +12V; receiver input resistance >= 12kΩ." }, { "number": "8", "name": "VCC", "type": "power_in",- "description": "Positive supply input, 5V \u00b15%. No-load supply current typically 500\u00b5A (DE=VCC) or 300\u00b5A (DE=0, RE tied high or low). Absolute maximum 7V. Bypass to GND with a 0.1\u00b5F ceramic close to the pin."+ "description": "Positive supply input, 5V ±5%. No-load supply current typically 500µA (DE=VCC) or 300µA (DE=0, RE tied high or low). Absolute maximum 7V. Bypass to GND with a 0.1µF ceramic close to the pin." } ], "provenance": {@@ -138,5 +138,8 @@ "docs/max485esa-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }