TP8485E-VR

{
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  "type": "component",
  "slug": "tp8485e-vr",
  "title": "TP8485E-VR",
  "brief": "3PEAK Buffers, Drivers, Receivers, Transceivers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "logic",
    "tp8485e-vr",
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  "component": {
    "mpn": "TP8485E-VR",
    "manufacturer": "3PEAK",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834808646787072",
    "parts": {
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      "model_3d_step_plain": "tp8485e-vr.step",
      "lbr": "tp8485e-vr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5173248"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T18:03:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "R",
        "type": "output",
        "description": "Receiver output; when the receiver is enabled (/RE low) it reflects the bus differential state, and it is high-impedance when /RE is high, with typical drive of 25 mA at VOL = 1 V."
      },
      {
        "number": "2",
        "name": "/RE",
        "type": "input",
        "description": "Active-low receiver enable; driving it high disables the receiver output (R goes high-impedance)."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Active-high driver enable; driving it low disables the driver outputs (A/Y and B/Z go high-impedance), and the logic input is specified with VIH of 2 V min and VIL of 0.4 V max."
      },
      {
        "number": "4",
        "name": "D",
        "type": "input",
        "description": "Driver data input; with DE high it sets the bus state (D high drives A/Y high and B/Z low), with logic thresholds VIH 2 V min and VIL 0.4 V max."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device supply, rated VDD to GND of -0.3 V to +7 V absolute maximum."
      },
      {
        "number": "6",
        "name": "A/Y",
        "type": "bidirectional",
        "description": "Non-inverting RS-485 bus terminal (receiver input A and driver output Y), protected to ±12 kV HBM and rated for a bus common-mode range of -8 V to +13 V."
      },
      {
        "number": "7",
        "name": "B/Z",
        "type": "bidirectional",
        "description": "Inverting RS-485 bus terminal (receiver input B and driver output Z), protected to ±12 kV HBM and rated for a bus common-mode range of -8 V to +13 V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, specified from 3 V to 5.5 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-haiku-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin-configuration figure text on page 1 is scrambled: the pin numbers (8 6 5 7 3 2 1 4) and labe; The datasheet names the receiver output 'R' in the figure and 'RO' in the test circuits; 'R' is used"
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        "at": "2026-10-18T18:01:07"
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        "sha256": "eddf614de77cf7ff",
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  "metadata": {
    "specs": {
      "Manufacturer": "3PEAK",
      "Package": "MSOP-8",
      "Category": "Logic",
      "Pins": "8"
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    "characteristics": {
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          "name": "Driver differential-output voltage magnitude, RL=60Ω",
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          "name": "Driver differential-output voltage magnitude, RS-485 3V",
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          "name": "Driver differential-output voltage magnitude, RS-422",
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          "name": "Change in differential driver common-mode output voltage",
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          "name": "Positive-going receiver differential-input voltage threshold",
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          "name": "Negative-going receiver differential-input voltage threshold",
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        {
          "name": "Logic Input High Voltage",
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        {
          "name": "Logic Input Low Voltage",
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          "name": "Receiver high-level output voltage",
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        {
          "name": "Receiver low-level output voltage",
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          "conditions": "IOL= 8 mA",
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        {
          "name": "Driver input, driver enable and receiver enable input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "μA",
          "min": -2,
          "typ": 0.01,
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        {
          "name": "Receiver high-impedance output current",
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          "unit": "μA",
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          "typ": 0.01,
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          "conditions": "VO = 0 V or VCC, /RE at VCC",
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        {
          "name": "Driver short-circuit output current",
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          "name": "Bus input current (driver disabled), VI=12 V",
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        {
          "name": "Bus input current (driver disabled), VI=-7 V",
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          "min": -150,
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          "conditions": "VCC = 4.5 to 5.5 V or VCC = 0 V, DE at 0 V; VI= -7 V",
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        {
          "name": "Supply current (quiescent), driver and receiver enabled",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 695,
          "max": 900,
          "conditions": "Driver and receiver enabled; DE = VCC, /RE = GND, No LOAD",
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        {
          "name": "Supply current (quiescent), driver enabled, receiver disabled",
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          "conditions": "Driver enabled, receiver disabled; DE = VCC, /RE = VCC, No LOAD",
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          "name": "Supply current (quiescent), driver disabled, receiver enabled",
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          "name": "Supply current (quiescent), driver and receiver disabled",
          "symbol": "ICC",
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          "conditions": "Driver and receiver disabled; DE = GND, /RE = VCC, D= Vcc No LOAD",
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          "name": "Driver differential-output rise and fall times",
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          "conditions": "RL = 54 Ω, CL=50pF, See Figure 2",
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        {
          "name": "Driver propagation delay",
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        {
          "name": "Driver pulse skew",
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          "max": 23,
          "conditions": "|tPHL – tPLH|",
          "source_page": 5,
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        {
          "name": "Driver disable time",
          "symbol": "tPHZ, tPLZ",
          "kind": "timing",
          "unit": "ns",
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          "typ": null,
          "max": 250,
          "conditions": "See Figure 3",
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        {
          "name": "Driver enable time, receiver enabled",
          "symbol": "tPHZ, tPLZ",
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          "conditions": "Receiver enabled",
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          "name": "Driver enable time, receiver disabled",
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          "name": "Receiver pulse skew",
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          "name": "Receiver disable time",
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          "name": "Receiver enable time, driver enabled",
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          "name": "VDD to GND",
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          "name": "Transient pulse A/Y, B/Z, A, B, Y, Z through 100Ω",
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          "name": "Maximum junction temperature (plastic package)",
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          "name": "Maximum storage temperature range",
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    "tp8485e-vr-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}