component
ISO1412DW
Public Made by Adomby adom
Texas Instruments Isolated RS-485/422 Transceivers, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "ISO1412DW",
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"package": "SOIC-16-300mil",
"pin_count": 16,
"category": "Signal Isolation Devices",
"subcategory": "Isolated RS-485/422 Transceivers",
"datasheet": "https://www.ti.com/cn/lit/gpn/iso1410",
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"lcsc": "C1544478",
"digikey": "296-53078-ND",
"mouser": "595-ISO1412DW"
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"pins": [
{
"number": "1",
"name": "VCC1",
"type": "power_in",
"description": "Logic-side (side 1) power supply, specified from 1.71 V to 5.5 V."
},
{
"number": "2",
"name": "GND1",
"type": "power_in",
"description": "Logic-side ground; pin 2 and pin 8 must both be connected to GND1."
},
{
"number": "3",
"name": "R",
"type": "output",
"description": "Receiver output on the logic side; goes high-impedance when RE is high or open. Recommended receiver output current is limited to ±4 mA."
},
{
"number": "4",
"name": "RE",
"type": "input",
"description": "Receiver enable; a low level enables the receiver output, while a high level or an open pin disables it (high-impedance)."
},
{
"number": "5",
"name": "DE",
"type": "input",
"description": "Driver enable; a high level enables the driver outputs, while a low level or an open pin disables them (high-impedance)."
},
{
"number": "6",
"name": "D",
"type": "input",
"description": "Driver data input on the logic side; high-level input must be at least 0.7 × VCC1 and low-level input at most 0.3 × VCC1."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; device function is unaffected if this pin is tied to a supply or ground on the PCB."
},
{
"number": "8",
"name": "GND1",
"type": "power_in",
"description": "Logic-side ground; must be connected to GND1 together with pin 2."
},
{
"number": "9",
"name": "GND2",
"type": "power_in",
"description": "Bus-side ground; must be connected to GND2 together with pin 15."
},
{
"number": "10",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; device function is unaffected if this pin is tied to a supply or ground on the PCB."
},
{
"number": "11",
"name": "Y",
"type": "output",
"description": "Driver non-inverting bus output of the full-duplex device (RS-485/RS-422 differential output, high-impedance when disabled)."
},
{
"number": "12",
"name": "Z",
"type": "output",
"description": "Driver inverting bus output of the full-duplex device (RS-485/RS-422 differential output, high-impedance when disabled)."
},
{
"number": "13",
"name": "B",
"type": "input",
"description": "Bus-side receiver inverting input; bus pins withstand a common-mode voltage of -7 V to 12 V and absolute bus voltage of ±18 V relative to GND2."
},
{
"number": "14",
"name": "A",
"type": "input",
"description": "Bus-side receiver non-inverting input; bus pins withstand a common-mode voltage of -7 V to 12 V and absolute bus voltage of ±18 V relative to GND2."
},
{
"number": "15",
"name": "GND2",
"type": "power_in",
"description": "Bus-side ground; must be connected to GND2 together with pin 9."
},
{
"number": "16",
"name": "VCC2",
"type": "power_in",
"description": "Bus-side (receiver-side) power supply, specified from 3 V to 5.5 V."
}
],
"provenance": {
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"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pinout taken from the full-duplex DW pin table (datasheet Figure 5-1). ISO1412 is the full-duplex 50; Some limits in the pin descriptions come from other pages rather than the pin table on page 3: VCC1 ; Datasheet pin table is printed in Chinese; descriptions were translated to English from the table te"
],
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"cost_usd": 0.161,
"at": "2026-10-11T03:48:34"
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"url": "https://www.ti.com/cn/lit/gpn/iso1410",
"pages": 48,
"sha256": "ee0c34ba1cd8865f",
"source_tier": "lcsc"
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"total": 16,
"described": 16,
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-16-300mil",
"Category": "Signal Isolation Devices",
"Pins": "16"
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