component
MC74VHC257DTR2G
Public Made by Adomby adom
onsemi Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout settled in review by an AI reviewer against the manufacturer's datasheet, KiCad symbol/footprint/3D.
main
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"mpn": "MC74VHC257DTR2G",
"manufacturer": "onsemi",
"package": "TSSOP-16",
"pin_count": 16,
"category": "Logic",
"subcategory": "Signal Switches, Multiplexers, Decoders",
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"lcsc": "C904178",
"digikey": "488-MC74VHC257DTR2GTR-ND",
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"number": "1",
"name": "S",
"type": "input",
"description": "Common select input that chooses A or B data for all four multiplexers; inputs tolerate up to 7 V (absolute maximum VIN \u22120.5 to +7.0 V)."
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{
"number": "2",
"name": "A0",
"type": "input",
"description": "Channel 0 data input A, routed to Y0 when S is Low and OE is Low; inputs tolerate up to 7 V (absolute maximum VIN \u22120.5 to +7.0 V)."
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{
"number": "3",
"name": "B0",
"type": "input",
"description": "Channel 0 data input B, routed to Y0 when S is High and OE is Low; inputs tolerate up to 7 V (absolute maximum VIN \u22120.5 to +7.0 V)."
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{
"number": "4",
"name": "Y0",
"type": "tri_state",
"description": "Channel 0 3-state multiplexer output; maximum DC output current 25 mA per pin."
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{
"number": "5",
"name": "A1",
"type": "input",
"description": "Channel 1 data input A, routed to Y1 when S is Low and OE is Low; inputs tolerate up to 7 V (absolute maximum VIN \u22120.5 to +7.0 V)."
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{
"number": "6",
"name": "B1",
"type": "input",
"description": "Channel 1 data input B, routed to Y1 when S is High and OE is Low; inputs tolerate up to 7 V (absolute maximum VIN \u22120.5 to +7.0 V)."
},
{
"number": "7",
"name": "Y1",
"type": "tri_state",
"description": "Channel 1 3-state multiplexer output; maximum DC output current 25 mA per pin."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground reference; all voltages are referenced to GND, with recommended operating VCC of 2.0 V to 5.5 V."
},
{
"number": "9",
"name": "Y2",
"type": "tri_state",
"description": "Channel 2 3-state multiplexer output; maximum DC output current 25 mA per pin."
},
{
"number": "10",
"name": "A2",
"type": "input",
"description": "Channel 2 data input A, routed to Y2 when S is Low and OE is Low; inputs tolerate up to 7 V (absolute maximum VIN \u22120.5 to +7.0 V)."
},
{
"number": "11",
"name": "B2",
"type": "input",
"description": "Channel 2 data input B, routed to Y2 when S is High and OE is Low; inputs tolerate up to 7 V (absolute maximum VIN \u22120.5 to +7.0 V)."
},
{
"number": "12",
"name": "Y3",
"type": "tri_state",
"description": "Channel 3 3-state multiplexer output; maximum DC output current 25 mA per pin."
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{
"number": "13",
"name": "B3",
"type": "input",
"description": "Channel 3 data input B, routed to Y3 when S is High and OE is Low; inputs tolerate up to 7 V (absolute maximum VIN \u22120.5 to +7.0 V)."
},
{
"number": "14",
"name": "A3",
"type": "input",
"description": "Channel 3 data input A, routed to Y3 when S is Low and OE is Low; inputs tolerate up to 7 V (absolute maximum VIN \u22120.5 to +7.0 V)."
},
{
"number": "15",
"name": "OE",
"type": "input",
"description": "Output enable; when held High, data selection is inhibited and the function table shows the outputs as high impedance (Z)."
},
{
"number": "16",
"name": "VCC",
"type": "power_in",
"description": "Positive DC supply; recommended operating range 2.0 V to 5.5 V, absolute maximum \u22120.5 to +7.0 V."
}
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"pages": 8,
"sha256": "a2219249385a574e",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
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"total": 16,
"described": 16,
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