component
ES8485E-SR
Public Made by Adomby adom
ElecSuper RS-485 / RS-422 ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "ES8485E-SR",
"brief": "ElecSuper RS-485 / RS-422 ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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{
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"name": "/RE",
"type": "input",
"description": "Active-low receiver output enable: low enables RO, high disables RO to high-impedance, and /RE high with DE low puts the device into low-power shutdown."
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{
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"type": "input",
"description": "Driver output enable: high enables the driver outputs, low sets them to high-impedance, and /RE high with DE low puts the device into low-power shutdown."
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{
"number": "4",
"name": "DI",
"type": "input",
"description": "Driver input: when DE is high, a low on DI drives A low and B high, and a high on DI drives A high and B low."
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{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device; all voltages are referenced to this pin."
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{
"number": "6",
"name": "A",
"type": "bidirectional",
"description": "Non-inverting bus terminal that serves as the receiver non-inverting input and the driver non-inverting output; bus fault tolerance is ±15V."
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{
"number": "7",
"name": "B",
"type": "bidirectional",
"description": "Inverting bus terminal that serves as the receiver inverting input and the driver inverting output; bus fault tolerance is ±15V."
},
{
"number": "8",
"name": "VCC",
"type": "power_in",
"description": "Power supply input, specified for 3.0V to 5.5V operation with an absolute maximum of +6.5V."
}
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"guard_notes": [
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"at": "2026-10-18T03:46:08"
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"metadata": {
"specs": {
"Manufacturer": "ElecSuper",
"Package": "SOP-8",
"Category": "Interface",
"Pins": "8"
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{
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{
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{
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{
"name": "High-level input voltage",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
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"conditions": "DE, DI, /RE",
"source_page": 3,
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{
"name": "Low-level input voltage",
"symbol": "VIL",
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"min": null,
"typ": null,
"max": 0.8,
"conditions": "DE, DI, /RE",
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{
"name": "Logic input current",
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"unit": "uA",
"min": -2,
"typ": null,
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"conditions": "DE, DI, /RE",
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{
"name": "Output short-circuit current, shorted to high",
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"kind": "electrical",
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"min": null,
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"conditions": "short-circuit to 0V~12V",
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{
"name": "Output short-circuit current, shorted to low",
"symbol": "IOSD2",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": -250,
"conditions": "short-circuit to -7V~0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Receiver input current (A, B)",
"symbol": "IIN2",
"kind": "electrical",
"unit": "uA",
"min": -100,
"typ": null,
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"conditions": "DE = 0 V, VCC=0 or 3.3/5V, VIN = -7V",
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{
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"conditions": "DE = 0 V, VCC=0 or 3.3/5V, VIN = 12 V",
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{
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"source_page": 4,
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{
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"min": null,
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"max": -200,
"conditions": "-7V≤VCM≤12V",
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{
"name": "Input hysteresis voltage",
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"kind": "electrical",
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"min": 10,
"typ": null,
"max": 30,
"conditions": "-7V≤VCM≤12V",
"source_page": 4,
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{
"name": "Low-level output voltage",
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"kind": "electrical",
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"conditions": "IOUT = +2.5mA, VID = -200 mV",
"source_page": 4,
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{
"name": "Three-state input leakage current",
"symbol": "IOZR",
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"unit": "uA",
"min": -1,
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"max": 1,
"conditions": "0.4V<VO<2.4V",
"source_page": 4,
"source": "datasheet"
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{
"name": "Receiver input resistance",
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"kind": "electrical",
"unit": "kΩ",
"min": 96,
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"conditions": "-7V≤VCM≤12V",
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{
"name": "Receiver short-circuit current",
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"kind": "electrical",
"unit": "mA",
"min": -90,
"typ": null,
"max": 90,
"conditions": "0 V≤VO≤VCC",
"source_page": 4,
"source": "datasheet"
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{
"name": "Supply current",
"symbol": "ICC1",
"kind": "electrical",
"unit": "uA",
"min": 240,
"typ": null,
"max": 650,
"conditions": "/RE=0V, DE = 0 V, VCC=3.3V",
"source_page": 4,
"source": "datasheet"
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{
"name": "Supply current",
"symbol": "ICC1",
"kind": "electrical",
"unit": "uA",
"min": 270,
"typ": null,
"max": 750,
"conditions": "/RE=0V, DE = 0 V, VCC=5V",
"source_page": 4,
"source": "datasheet"
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{
"name": "Supply current",
"symbol": "ICC2",
"kind": "electrical",
"unit": "uA",
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"conditions": "/RE=VCC, DE=VCC, VCC=3.3V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply current",
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"conditions": "/RE=VCC, DE=VCC, VCC=5V",
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{
"name": "Shutdown current",
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"conditions": "/RE= VCC, DE=0V, VCC=3.3V",
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{
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"symbol": "tDD",
"kind": "timing",
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"min": 20,
"typ": null,
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"conditions": "RL=60Ω, CL=100pF",
"source_page": 5,
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{
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"min": 12,
"typ": null,
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{
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{
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{
"name": "Driver propagation delay skew |tPLH - tPHL|",
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