component
SN74ABT821ADWR
Public Made by Adomby adom
Texas Instruments Flip Flops, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "sn74abt821adwr",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments Flip Flops, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"logic",
"sn74abt821adwr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"component": {
"mpn": "SN74ABT821ADWR",
"manufacturer": "Texas Instruments",
"package": "SOIC-24-300mil",
"pin_count": 24,
"category": "Logic",
"subcategory": "Flip Flops",
"datasheet": "https://www.ti.com/lit/ds/symlink/sn74abt821a.pdf",
"parts": {
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"lbr": "sn74abt821adwr.lbr"
},
"distributor_links": {
"lcsc": "C2871100",
"digikey": "296-14677-2-ND",
"mouser": "595-SN74ABT821ADWR"
},
"distributor_check": {
"checked_at": "2026-11-05T22:56:54Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-14677-2-ND",
"status": "found"
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"pn": "595-SN74ABT821ADWR",
"status": "found"
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},
"pins": [
{
"number": "1",
"name": "OE",
"type": "input",
"description": "Buffered output-enable input places the ten Q outputs in the high-impedance state when high and does not affect the latched data; the outputs are in the high-impedance state during power up or power down when VCC is below 2.1 V."
},
{
"number": "2",
"name": "1D",
"type": "input",
"description": "Data input to flip-flop 1 that is captured on the positive transition of CLK; the recommended setup time is 2.1 ns and hold time is 1.3 ns."
},
{
"number": "3",
"name": "2D",
"type": "input",
"description": "Data input to flip-flop 2 that is captured on the positive transition of CLK; the recommended setup time is 2.1 ns and hold time is 1.3 ns."
},
{
"number": "4",
"name": "3D",
"type": "input",
"description": "Data input to flip-flop 3 that is captured on the positive transition of CLK; the recommended setup time is 2.1 ns and hold time is 1.3 ns."
},
{
"number": "5",
"name": "4D",
"type": "input",
"description": "Data input to flip-flop 4 that is captured on the positive transition of CLK; the recommended setup time is 2.1 ns and hold time is 1.3 ns."
},
{
"number": "6",
"name": "5D",
"type": "input",
"description": "Data input to flip-flop 5 that is captured on the positive transition of CLK; the recommended setup time is 2.1 ns and hold time is 1.3 ns."
},
{
"number": "7",
"name": "6D",
"type": "input",
"description": "Data input to flip-flop 6 that is captured on the positive transition of CLK; the recommended setup time is 2.1 ns and hold time is 1.3 ns."
},
{
"number": "8",
"name": "7D",
"type": "input",
"description": "Data input to flip-flop 7 that is captured on the positive transition of CLK; the recommended setup time is 2.1 ns and hold time is 1.3 ns."
},
{
"number": "9",
"name": "8D",
"type": "input",
"description": "Data input to flip-flop 8 that is captured on the positive transition of CLK; the recommended setup time is 2.1 ns and hold time is 1.3 ns."
},
{
"number": "10",
"name": "9D",
"type": "input",
"description": "Data input to flip-flop 9 that is captured on the positive transition of CLK; the recommended setup time is 2.1 ns and hold time is 1.3 ns."
},
{
"number": "11",
"name": "10D",
"type": "input",
"description": "Data input to flip-flop 10 that is captured on the positive transition of CLK; the recommended setup time is 2.1 ns and hold time is 1.3 ns."
},
{
"number": "12",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the device; the recommended supply range is 4.5 V to 5.5 V on VCC relative to this pin."
},
{
"number": "13",
"name": "CLK",
"type": "input",
"description": "Clock input on whose positive transition the ten D inputs are latched and transferred to the Q outputs; maximum clock frequency is 125 MHz with pulse widths of at least 2.9 ns high and 3.8 ns low."
},
{
"number": "14",
"name": "10Q",
"type": "tri_state",
"description": "Three-state buffered output of flip-flop 10 that drives high-capacitance or low-impedance bus loads with up to 32 mA IOH and 64 mA IOL."
},
{
"number": "15",
"name": "9Q",
"type": "tri_state",
"description": "Three-state buffered output of flip-flop 9 that drives high-capacitance or low-impedance bus loads with up to 32 mA IOH and 64 mA IOL."
},
{
"number": "16",
"name": "8Q",
"type": "tri_state",
"description": "Three-state buffered output of flip-flop 8 that drives high-capacitance or low-impedance bus loads with up to 32 mA IOH and 64 mA IOL."
},
{
"number": "17",
"name": "7Q",
"type": "tri_state",
"description": "Three-state buffered output of flip-flop 7 that drives high-capacitance or low-impedance bus loads with up to 32 mA IOH and 64 mA IOL."
},
{
"number": "18",
"name": "6Q",
"type": "tri_state",
"description": "Three-state buffered output of flip-flop 6 that drives high-capacitance or low-impedance bus loads with up to 32 mA IOH and 64 mA IOL."
},
{
"number": "19",
"name": "5Q",
"type": "tri_state",
"description": "Three-state buffered output of flip-flop 5 that drives high-capacitance or low-impedance bus loads with up to 32 mA IOH and 64 mA IOL."
},
{
"number": "20",
"name": "4Q",
"type": "tri_state",
"description": "Three-state buffered output of flip-flop 4 that drives high-capacitance or low-impedance bus loads with up to 32 mA IOH and 64 mA IOL."
},
{
"number": "21",
"name": "3Q",
"type": "tri_state",
"description": "Three-state buffered output of flip-flop 3 that drives high-capacitance or low-impedance bus loads with up to 32 mA IOH and 64 mA IOL."
},
{
"number": "22",
"name": "2Q",
"type": "tri_state",
"description": "Three-state buffered output of flip-flop 2 that drives high-capacitance or low-impedance bus loads with up to 32 mA IOH and 64 mA IOL."
},
{
"number": "23",
"name": "1Q",
"type": "tri_state",
"description": "Three-state buffered output of flip-flop 1 that drives high-capacitance or low-impedance bus loads with up to 32 mA IOH and 64 mA IOL."
},
{
"number": "24",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage input with a recommended range of 4.5 V to 5.5 V and an absolute maximum of 7 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: Pin numbers were taken from the DB/DW top-view figure and cross-checked against the logic symbol and"
],
"pages_sent": 15,
"cost_usd": 0.0241,
"at": "2026-11-05T22:56:47"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/sn74abt821a.pdf",
"pages": 15,
"sha256": "16843c4ca7b2e96b",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 24,
"described": 24,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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},
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}