component
MM74HC573MTC
Public Made by Adomby adom
onsemi Latches, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"category": "Logic ICs",
"subcategory": "Latches",
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"lcsc": "C897487",
"digikey": "2156-MM74HC573MTC-ND",
"mouser": "512-MM74HC573MTC"
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"source": "Component Ocean /api/assign-pns",
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},
"pins": [
{
"number": "1",
"name": "OC",
"type": "input",
"description": "Output Control input; a HIGH level puts all outputs in the high-impedance state regardless of other inputs and stored data."
},
{
"number": "2",
"name": "1D",
"type": "input",
"description": "Data input 1 of the octal D-type latch; Q follows D while Latch Enable is HIGH."
},
{
"number": "3",
"name": "2D",
"type": "input",
"description": "Data input 2 of the octal D-type latch; Q follows D while Latch Enable is HIGH."
},
{
"number": "4",
"name": "3D",
"type": "input",
"description": "Data input 3 of the octal D-type latch; Q follows D while Latch Enable is HIGH."
},
{
"number": "5",
"name": "4D",
"type": "input",
"description": "Data input 4 of the octal D-type latch; Q follows D while Latch Enable is HIGH."
},
{
"number": "6",
"name": "5D",
"type": "input",
"description": "Data input 5 of the octal D-type latch; Q follows D while Latch Enable is HIGH."
},
{
"number": "7",
"name": "6D",
"type": "input",
"description": "Data input 6 of the octal D-type latch; Q follows D while Latch Enable is HIGH."
},
{
"number": "8",
"name": "7D",
"type": "input",
"description": "Data input 7 of the octal D-type latch; Q follows D while Latch Enable is HIGH."
},
{
"number": "9",
"name": "8D",
"type": "input",
"description": "Data input 8 of the octal D-type latch; Q follows D while Latch Enable is HIGH."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground, 0 V reference for all voltages."
},
{
"number": "11",
"name": "LE",
"type": "input",
"description": "Latch Enable input; HIGH makes Q outputs follow D, LOW latches and retains the data."
},
{
"number": "12",
"name": "8Q",
"type": "tri_state",
"description": "3-STATE latch output 8, driving up to 15 LS-TTL loads; high impedance when OC is HIGH."
},
{
"number": "13",
"name": "7Q",
"type": "tri_state",
"description": "3-STATE latch output 7, driving up to 15 LS-TTL loads; high impedance when OC is HIGH."
},
{
"number": "14",
"name": "6Q",
"type": "tri_state",
"description": "3-STATE latch output 6, driving up to 15 LS-TTL loads; high impedance when OC is HIGH."
},
{
"number": "15",
"name": "5Q",
"type": "tri_state",
"description": "3-STATE latch output 5, driving up to 15 LS-TTL loads; high impedance when OC is HIGH."
},
{
"number": "16",
"name": "4Q",
"type": "tri_state",
"description": "3-STATE latch output 4, driving up to 15 LS-TTL loads; high impedance when OC is HIGH."
},
{
"number": "17",
"name": "3Q",
"type": "tri_state",
"description": "3-STATE latch output 3, driving up to 15 LS-TTL loads; high impedance when OC is HIGH."
},
{
"number": "18",
"name": "2Q",
"type": "tri_state",
"description": "3-STATE latch output 2, driving up to 15 LS-TTL loads; high impedance when OC is HIGH."
},
{
"number": "19",
"name": "1Q",
"type": "tri_state",
"description": "3-STATE latch output 1, driving up to 15 LS-TTL loads; high impedance when OC is HIGH."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, recommended 2 to 6 V (absolute maximum 7.0 V)."
}
],
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"primary_model": "claude-sonnet-5-5",
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"pages_sent": 10,
"cost_usd": 0.281,
"at": "2026-10-20T20:44:29"
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"Package": "TSSOP-20",
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{
"name": "Lead Temperature",
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"min": null,
"typ": null,
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"conditions": "Soldering 10 seconds",
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{
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{
"name": "Operating Temperature Range",
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"min": -40,
"typ": null,
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"source_page": 3,
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{
"name": "Input Rise or Fall Time",
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"min": null,
"typ": null,
"max": 1000,
"conditions": "VCC = 2.0 V",
"source_page": 3,
"source": "datasheet"
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{
"name": "Input Rise or Fall Time",
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"conditions": "VCC = 4.5 V",
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{
"name": "Input Rise or Fall Time",
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"kind": "recommended_operating",
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"min": null,
"typ": null,
"max": 400,
"conditions": "VCC = 6.0 V",
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{
"name": "Minimum HIGH Level Input Voltage",
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"name": "Minimum HIGH Level Input Voltage",
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{
"name": "Minimum HIGH Level Output Voltage",
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"conditions": "VIN = VIH or VIL, |IOUT| ≤ 20 µA, VCC = 4.5 V, TA = -40 to 85 °C",
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{
"name": "Minimum HIGH Level Output Voltage",
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"conditions": "VIN = VIH or VIL, |IOUT| ≤ 20 µA, VCC = 6.0 V, TA = -40 to 85 °C",
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{
"name": "Minimum HIGH Level Output Voltage",
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"min": 3.84,
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"conditions": "VIN = VIH or VIL, |IOUT| ≤ 6.0 mA, VCC = 4.5 V, TA = -40 to 85 °C",
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{
"name": "Minimum HIGH Level Output Voltage",
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"min": 5.34,
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"conditions": "VIN = VIH or VIL, |IOUT| ≤ 7.8 mA, VCC = 6.0 V, TA = -40 to 85 °C",
"source_page": 3,
"source": "datasheet"
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{
"name": "Maximum LOW Level Output Voltage",
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"conditions": "VIN = VIH or VIL, |IOUT| ≤ 20 µA, VCC = 2.0 V, TA = -40 to 85 °C",
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{
"name": "Maximum LOW Level Output Voltage",
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"conditions": "VIN = VIH or VIL, |IOUT| ≤ 6.0 mA, VCC = 4.5 V, TA = -40 to 85 °C",
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{
"name": "Maximum Input Current",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "VIN = VCC or GND, VCC = 6.0 V, TA = -40 to 85 °C",
"source_page": 3,
"source": "datasheet"
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{
"name": "Maximum 3-STATE Output Leakage Current",
"symbol": "IOZ",
"kind": "electrical",
"unit": "µA",
"min": -5,
"typ": null,
"max": 5,
"conditions": "VOUT = VCC or GND, OC = VIH, VCC = 6.0 V, TA = -40 to 85 °C",
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{
"name": "Maximum Quiescent Supply Current",
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"conditions": "VIN = VCC or GND, IOUT = 0 µA, VCC = 6.0 V, TA = -40 to 85 °C",
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{
"name": "Quiescent Supply Current per Input Pin (OE)",
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"min": null,
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"conditions": "VCC = 5.5 V, VIN = 2.4 V or 0.4 V, per input pin, TA = -40 to 85 °C",
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{
"name": "Quiescent Supply Current per Input Pin (LE)",
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"conditions": "VCC = 5.5 V, VIN = 2.4 V or 0.4 V, per input pin, TA = -40 to 85 °C",
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"source": "datasheet"
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{
"name": "Quiescent Supply Current per Input Pin (DATA)",
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"source": "datasheet"
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{
"name": "Maximum Propagation Delay, Data to Q",
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"conditions": "VCC = 5 V, TA = 25 °C, tr = tf = 6 ns, CL = 45 pF",
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"name": "Maximum Propagation Delay, LE to Q",
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},
{
"name": "Maximum Output Enable Time",
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