component
ISO7741FBDWR
Public Made by Adomby adom
Texas Instruments Digital Isolators, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"manufacturer": "Texas Instruments",
"package": "SOIC-16-300mil",
"pin_count": 16,
"category": "Signal Isolation Devices",
"subcategory": "Digital Isolators",
"datasheet": "https://www.ti.com/cn/lit/gpn/iso7740",
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"lcsc": "C2873397",
"digikey": "296-ISO7741FBDWRTR-ND",
"mouser": "595-ISO7741FBDWR"
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"checked_at": "2026-10-08T03:43:42Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-ISO7741FBDWRTR-ND",
"status": "found",
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"pins": [
{
"number": "1",
"name": "VCC1",
"type": "power_in",
"description": "Side 1 supply pin; VCC1 operates from 2.25 V to 5.5 V and should be decoupled to GND1 with 0.1 µF placed close to the pin."
},
{
"number": "2",
"name": "GND1",
"type": "power_in",
"description": "Side 1 ground connection for VCC1 (one of two GND1 pins, both connected together)."
},
{
"number": "3",
"name": "INA",
"type": "input",
"description": "Channel A data input on side 1; VIH is 0.7 x VCCI minimum and VIL is 0.3 x VCCI maximum."
},
{
"number": "4",
"name": "INB",
"type": "input",
"description": "Channel B data input on side 1; VIH is 0.7 x VCCI minimum and VIL is 0.3 x VCCI maximum."
},
{
"number": "5",
"name": "INC",
"type": "input",
"description": "Channel C data input on side 1; VIH is 0.7 x VCCI minimum and VIL is 0.3 x VCCI maximum."
},
{
"number": "6",
"name": "OUTD",
"type": "output",
"description": "Channel D output on side 1 (the reverse-direction channel of ISO7741, whose input IND is on pin 11); output drives to VCCO with VOH of at least VCCO - 0.4 V and VOL of at most 0.4 V at 5 V."
},
{
"number": "7",
"name": "EN1",
"type": "input",
"description": "Output enable for side 1: when EN1 is high or open the side 1 outputs are enabled, and when EN1 is low they are forced to high impedance."
},
{
"number": "8",
"name": "GND1",
"type": "power_in",
"description": "Side 1 ground connection for VCC1 (one of two GND1 pins, both connected together)."
},
{
"number": "9",
"name": "GND2",
"type": "power_in",
"description": "Side 2 ground connection for VCC2 (one of two GND2 pins, both connected together)."
},
{
"number": "10",
"name": "EN2",
"type": "input",
"description": "Output enable for side 2: when EN2 is high or open the side 2 outputs are enabled, and when EN2 is low they are forced to high impedance."
},
{
"number": "11",
"name": "IND",
"type": "input",
"description": "Channel D data input on side 2 (the reverse-direction channel of ISO7741); VIH is 0.7 x VCCI minimum and VIL is 0.3 x VCCI maximum."
},
{
"number": "12",
"name": "OUTC",
"type": "output",
"description": "Channel C output on side 2; VOH is at least VCCO - 0.4 V and VOL is at most 0.4 V at 5 V."
},
{
"number": "13",
"name": "OUTB",
"type": "output",
"description": "Channel B output on side 2; VOH is at least VCCO - 0.4 V and VOL is at most 0.4 V at 5 V."
},
{
"number": "14",
"name": "OUTA",
"type": "output",
"description": "Channel A output on side 2; VOH is at least VCCO - 0.4 V and VOL is at most 0.4 V at 5 V."
},
{
"number": "15",
"name": "GND2",
"type": "power_in",
"description": "Side 2 ground connection for VCC2 (one of two GND2 pins, both connected together)."
},
{
"number": "16",
"name": "VCC2",
"type": "power_in",
"description": "Side 2 supply pin; VCC2 operates from 2.25 V to 5.5 V and should be decoupled to GND2 with 0.1 µF placed close to the pin."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The MPN ISO7741FBDWR is the ISO7741B variant with the F (default-low) suffix. The datasheet does not; Table 4-1 and Figure 4-2 do not explicitly label channel D as the reverse channel. The direction of ; Pin descriptions for VOH/VOL and VIH/VIL limits are quoted from the 5 V electrical characteristics a"
],
"pages_sent": 28,
"cost_usd": 0.1392,
"at": "2026-10-08T03:43:26"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/iso7740",
"pages": 51,
"sha256": "d6ac6b90609c88c4",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
"cites_pages": true,
"refuses_to_fabricate": true
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-16-300mil",
"Category": "Signal Isolation Devices",
"Pins": "16"
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"email": "[email protected]"
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