component
SN74LS541DWR
Public Made by Adomby adom
Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "SN74LS541DWR",
"manufacturer": "Texas Instruments",
"package": "SOIC-20-300mil",
"pin_count": 20,
"category": "Logic",
"subcategory": "Buffers, Drivers, Receivers, Transceivers",
"datasheet": "https://www.ti.com/lit/ds/symlink/sn74ls541.pdf",
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"distributor_links": {
"lcsc": "C2675558",
"digikey": "296-3716-2-ND",
"mouser": "595-SN74LS541DWR"
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"pins": [
{
"number": "1",
"name": "G1",
"type": "input",
"description": "Active-low output-enable input of the 2-input NOR control gate; if either G1 or G2 is high, all eight outputs are in the high-impedance state."
},
{
"number": "2",
"name": "A1",
"type": "input",
"description": "Data input 1 with hysteresis, non-inverting in the 'LS541, driving output Y1 (pin 18)."
},
{
"number": "3",
"name": "A2",
"type": "input",
"description": "Data input 2 with hysteresis, non-inverting in the 'LS541, driving output Y2 (pin 17)."
},
{
"number": "4",
"name": "A3",
"type": "input",
"description": "Data input 3 with hysteresis, non-inverting in the 'LS541, driving output Y3 (pin 16)."
},
{
"number": "5",
"name": "A4",
"type": "input",
"description": "Data input 4 with hysteresis, non-inverting in the 'LS541, driving output Y4 (pin 15)."
},
{
"number": "6",
"name": "A5",
"type": "input",
"description": "Data input 5 with hysteresis, non-inverting in the 'LS541, driving output Y5 (pin 14)."
},
{
"number": "7",
"name": "A6",
"type": "input",
"description": "Data input 6 with hysteresis, non-inverting in the 'LS541, driving output Y6 (pin 13)."
},
{
"number": "8",
"name": "A7",
"type": "input",
"description": "Data input 7 with hysteresis, non-inverting in the 'LS541, driving output Y7 (pin 12)."
},
{
"number": "9",
"name": "A8",
"type": "input",
"description": "Data input 8 with hysteresis, non-inverting in the 'LS541, driving output Y8 (pin 11)."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground; the datasheet gives all voltage values with respect to the network ground terminal."
},
{
"number": "11",
"name": "Y8",
"type": "tri_state",
"description": "3-state output 8 following A8 (true data), rated 24 mA sink and -15 mA source for the SN74LS541, high-impedance when G1 or G2 is high."
},
{
"number": "12",
"name": "Y7",
"type": "tri_state",
"description": "3-state output 7 following A7 (true data), rated 24 mA sink and -15 mA source for the SN74LS541, high-impedance when G1 or G2 is high."
},
{
"number": "13",
"name": "Y6",
"type": "tri_state",
"description": "3-state output 6 following A6 (true data), rated 24 mA sink and -15 mA source for the SN74LS541, high-impedance when G1 or G2 is high."
},
{
"number": "14",
"name": "Y5",
"type": "tri_state",
"description": "3-state output 5 following A5 (true data), rated 24 mA sink and -15 mA source for the SN74LS541, high-impedance when G1 or G2 is high."
},
{
"number": "15",
"name": "Y4",
"type": "tri_state",
"description": "3-state output 4 following A4 (true data), rated 24 mA sink and -15 mA source for the SN74LS541, high-impedance when G1 or G2 is high."
},
{
"number": "16",
"name": "Y3",
"type": "tri_state",
"description": "3-state output 3 following A3 (true data), rated 24 mA sink and -15 mA source for the SN74LS541, high-impedance when G1 or G2 is high."
},
{
"number": "17",
"name": "Y2",
"type": "tri_state",
"description": "3-state output 2 following A2 (true data), rated 24 mA sink and -15 mA source for the SN74LS541, high-impedance when G1 or G2 is high."
},
{
"number": "18",
"name": "Y1",
"type": "tri_state",
"description": "3-state output 1 following A1 (true data), rated 24 mA sink and -15 mA source for the SN74LS541, high-impedance when G1 or G2 is high."
},
{
"number": "19",
"name": "G2",
"type": "input",
"description": "Active-low output-enable input of the 2-input NOR control gate; if either G1 or G2 is high, all eight outputs are in the high-impedance state."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, recommended 4.75 V to 5.25 V (5 V nominal) for the SN74LS541, absolute maximum 7 V."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
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"primary_model": "claude-sonnet-5-5",
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"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
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"vision extraction: provenance cannot be text-verified; needs consensus"
],
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"at": "2026-11-06T00:30:06"
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"cad": "KiCad official (CC-BY-SA 4.0)",
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