component
SN74ABT377ADBR
Public Made by Adomby adom
Texas Instruments Flip Flops, SSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "sn74abt377adbr",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments Flip Flops, SSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"logic",
"sn74abt377adbr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"sn74abt377adbr.kicad_sym",
"sn74abt377adbr.kicad_mod",
"sn74abt377adbr.glb",
"sn74abt377adbr.step",
"sn74abt377adbr.lbr",
"docs/hero.png",
"docs/sn74abt377adbr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html"
],
"component": {
"mpn": "SN74ABT377ADBR",
"manufacturer": "Texas Instruments",
"package": "SSOP-20",
"pin_count": 20,
"category": "Logic",
"subcategory": "Flip Flops",
"datasheet": "https://www.ti.com/lit/ds/symlink/sn74abt377adbr.pdf",
"parts": {
"symbol": "sn74abt377adbr.kicad_sym",
"footprint": "sn74abt377adbr.kicad_mod",
"model_3d": "sn74abt377adbr-etched.glb",
"model_3d_plain": "sn74abt377adbr.glb",
"model_3d_step": "sn74abt377adbr-etched.step",
"model_3d_step_plain": "sn74abt377adbr.step",
"lbr": "sn74abt377adbr.lbr"
},
"distributor_links": {
"lcsc": "C2866041",
"digikey": "296-4008-2-ND",
"mouser": "595-SN74ABT377ADBR"
},
"distributor_check": {
"checked_at": "2026-10-18T06:17:20Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-4008-2-ND",
"status": "found"
},
"mouser": {
"pn": "595-SN74ABT377ADBR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "CLKEN",
"type": "input",
"description": "Common clock enable: when low, D data is transferred to Q on the positive-going CLK edge, and when high the flip-flops hold their state; CLKEN transitions are designed not to cause false clocking."
},
{
"number": "2",
"name": "1Q",
"type": "output",
"description": "Flip-flop 1 output, rated for -32 mA IOH and 64 mA IOL (high-drive output)."
},
{
"number": "3",
"name": "1D",
"type": "input",
"description": "Data input for flip-flop 1, which must meet the setup and hold times relative to the positive-going CLK edge."
},
{
"number": "4",
"name": "2D",
"type": "input",
"description": "Data input for flip-flop 2, which must meet the setup and hold times relative to the positive-going CLK edge."
},
{
"number": "5",
"name": "2Q",
"type": "output",
"description": "Flip-flop 2 output, rated for -32 mA IOH and 64 mA IOL (high-drive output)."
},
{
"number": "6",
"name": "3Q",
"type": "output",
"description": "Flip-flop 3 output, rated for -32 mA IOH and 64 mA IOL (high-drive output)."
},
{
"number": "7",
"name": "3D",
"type": "input",
"description": "Data input for flip-flop 3, which must meet the setup and hold times relative to the positive-going CLK edge."
},
{
"number": "8",
"name": "4D",
"type": "input",
"description": "Data input for flip-flop 4, which must meet the setup and hold times relative to the positive-going CLK edge."
},
{
"number": "9",
"name": "4Q",
"type": "output",
"description": "Flip-flop 4 output, rated for -32 mA IOH and 64 mA IOL (high-drive output)."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "11",
"name": "CLK",
"type": "input",
"description": "Buffered clock input; the outputs change on the positive-going edge when CLKEN is low, and the CLK high or low level alone has no effect, with a minimum pulse duration of 3.3 ns."
},
{
"number": "12",
"name": "5Q",
"type": "output",
"description": "Flip-flop 5 output, rated for -32 mA IOH and 64 mA IOL (high-drive output)."
},
{
"number": "13",
"name": "5D",
"type": "input",
"description": "Data input for flip-flop 5, which must meet the setup and hold times relative to the positive-going CLK edge."
},
{
"number": "14",
"name": "6D",
"type": "input",
"description": "Data input for flip-flop 6, which must meet the setup and hold times relative to the positive-going CLK edge."
},
{
"number": "15",
"name": "6Q",
"type": "output",
"description": "Flip-flop 6 output, rated for -32 mA IOH and 64 mA IOL (high-drive output)."
},
{
"number": "16",
"name": "7Q",
"type": "output",
"description": "Flip-flop 7 output, rated for -32 mA IOH and 64 mA IOL (high-drive output)."
},
{
"number": "17",
"name": "7D",
"type": "input",
"description": "Data input for flip-flop 7, which must meet the setup and hold times relative to the positive-going CLK edge."
},
{
"number": "18",
"name": "8D",
"type": "input",
"description": "Data input for flip-flop 8, which must meet the setup and hold times relative to the positive-going CLK edge."
},
{
"number": "19",
"name": "8Q",
"type": "output",
"description": "Flip-flop 8 output, rated for -32 mA IOH and 64 mA IOL (high-drive output)."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, with a recommended operating range of 4.5 V to 5.5 V."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The SSOP-20 pin map was rebuilt from the text-extracted TOP VIEW pin list (pins 1-10 left to right, ; The datasheet does not describe the Q outputs as three-state (the 377 has no output-enable pin), so ; The datasheet's Electrical Characteristics table covers the SN74ABT377A DB (SSOP) package only throu"
],
"pages_sent": 25,
"cost_usd": 0.0811,
"at": "2026-10-18T06:12:40"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/sn74abt377adbr.pdf",
"pages": 25,
"sha256": "09c03ca670bdb907",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "sn74abt377adbr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.3,
10.2,
1.98
],
"zmin_mm": 0.02,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "6dff36ebd77080baba066b7aca3416ba1a817c310d24eec7f7cd42b41d1e0c8d",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sn74abt377adbr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.3,
10.2,
1.98
],
"zmin_mm": 0.02,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "019e5861af9fe1db7d57a9281b78a1f2632679f1a3133d7ef51c7fdac67b9ff8",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}