component
SN74LS279ANSR
Public Made by Adomby adom
Texas Instruments Logic ICs, SO-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "sn74ls279ansr",
"title": "SN74LS279ANSR",
"brief": "Texas Instruments Logic ICs, SO-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"logic ics",
"sn74ls279ansr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SN74LS279ANSR",
"manufacturer": "Texas Instruments",
"package": "SO-16-208mil",
"pin_count": 16,
"category": "Logic ICs",
"subcategory": "Logic ICs",
"datasheet": "https://www.ti.com/lit/ds/symlink/sn74ls279a.pdf",
"parts": {
"symbol": "sn74ls279ansr.kicad_sym",
"footprint": "sn74ls279ansr.kicad_mod",
"model_3d": "sn74ls279ansr-hero.glb",
"model_3d_plain": "sn74ls279ansr-etched.glb",
"model_3d_step": "sn74ls279ansr-etched.step",
"model_3d_step_plain": "sn74ls279ansr.step",
"lbr": "sn74ls279ansr.lbr"
},
"distributor_links": {
"lcsc": "C2878772",
"digikey": "296-13222-2-ND",
"mouser": "595-SN74LS279ANSR"
},
"distributor_check": {
"checked_at": "2026-10-29T17:03:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-13222-2-ND",
"status": "found"
},
"mouser": {
"pn": "595-SN74LS279ANSR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "1R",
"type": "input",
"description": "Active-low reset input of latch 1; pulsing it low resets the 1Q output low."
},
{
"number": "2",
"name": "1S1",
"type": "input",
"description": "Active-low set input 1 of latch 1; a low level on either S input sets 1Q high."
},
{
"number": "3",
"name": "1S2",
"type": "input",
"description": "Active-low set input 2 of latch 1; a low level on either S input sets 1Q high."
},
{
"number": "4",
"name": "1Q",
"type": "output",
"description": "Output of latch 1, set high by S low and reset low by R low."
},
{
"number": "5",
"name": "2R",
"type": "input",
"description": "Active-low reset input of latch 2; pulsing it low resets the 2Q output low."
},
{
"number": "6",
"name": "2S",
"type": "input",
"description": "Active-low set input of latch 2; pulsing it low sets 2Q high."
},
{
"number": "7",
"name": "2Q",
"type": "output",
"description": "Output of latch 2, set high by S low and reset low by R low."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground; supply voltage values are specified with respect to this network ground terminal."
},
{
"number": "9",
"name": "3Q",
"type": "output",
"description": "Output of latch 3, set high by S low and reset low by R low."
},
{
"number": "10",
"name": "3R",
"type": "input",
"description": "Active-low reset input of latch 3; pulsing it low resets the 3Q output low."
},
{
"number": "11",
"name": "3S1",
"type": "input",
"description": "Active-low set input 1 of latch 3; a low level on either S input sets 3Q high."
},
{
"number": "12",
"name": "3S2",
"type": "input",
"description": "Active-low set input 2 of latch 3; a low level on either S input sets 3Q high."
},
{
"number": "13",
"name": "4Q",
"type": "output",
"description": "Output of latch 4, set high by S low and reset low by R low."
},
{
"number": "14",
"name": "4R",
"type": "input",
"description": "Active-low reset input of latch 4; pulsing it low resets the 4Q output low."
},
{
"number": "15",
"name": "4S",
"type": "input",
"description": "Active-low set input of latch 4; pulsing it low sets 4Q high."
},
{
"number": "16",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; absolute maximum 7 V with respect to ground."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet pinout diagram on page 1 is labeled for D, J, N and W packages only. The NS (SOP-16) p; The package hint says SO-16-208mil. TI's NS0016A outline gives a body width of 5.2-5.4 mm, which is ",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 19,
"cost_usd": 0.3515,
"at": "2026-10-29T17:02:46"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/sn74ls279a.pdf",
"pages": 19,
"sha256": "4bf69524d06195c5",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "sn74ls279ansr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
8.06,
10.2,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9a3b80e4b9b59dbe8d0ccd3ece506625bdb99ef877dd739f4889ace722b3e171",
"checked": "2026-10-29",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sn74ls279ansr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
8.06,
10.2,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f62964cb27145513a3034360a81e29d360b4df068f01a428831f386fd8676f2e",
"checked": "2026-10-29",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "NS0016A",
"source_page": 11,
"D": {
"nom_mm": 10.2,
"range_mm": [
10,
10.4
]
},
"E1": {
"nom_mm": 5.3,
"range_mm": [
5.2,
5.4
]
},
"E": {
"nom_mm": 7.8,
"range_mm": [
7.4,
8.2
]
},
"e": {
"nom_mm": 1.27,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 2,
"range_mm": [
null,
2
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "sn74ls279ansr.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SO-16-208mil",
"Category": "Logic ICs",
"Pins": "16"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"sn74ls279ansr"
],
"discovery_pitch": "SN74LS279ANSR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"sn74ls279ansr.kicad_sym",
"sn74ls279ansr.kicad_mod",
"sn74ls279ansr.glb",
"sn74ls279ansr.step",
"sn74ls279ansr.lbr",
"docs/hero.png",
"docs/sn74ls279ansr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"sn74ls279ansr-hero.glb",
"sn74ls279ansr-hero.overlay.json",
"sn74ls279ansr-etched.glb"
],
"visibility": {
"public": true
}
}