component
SN74LS126DR
Public Made by Adomby adom
lingxingic Buffers, Drivers, Receivers, Transceivers, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"slug": "sn74ls126dr",
"title": "SN74LS126DR",
"brief": "lingxingic Buffers, Drivers, Receivers, Transceivers, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"component": {
"mpn": "SN74LS126DR",
"manufacturer": "lingxingic",
"package": "SOP-14",
"pin_count": 14,
"category": "Logic",
"subcategory": "Buffers, Drivers, Receivers, Transceivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603366976908128256",
"parts": {
"symbol": "sn74ls126dr.kicad_sym",
"footprint": "sn74ls126dr.kicad_mod",
"model_3d": "sn74ls126dr-hero.glb",
"model_3d_plain": "sn74ls126dr-etched.glb",
"model_3d_step": "sn74ls126dr-etched.step",
"model_3d_step_plain": "sn74ls126dr.step",
"lbr": "sn74ls126dr.lbr"
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"distributor_links": {
"lcsc": "C22384765"
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"distributor_check": {
"checked_at": "2026-10-18T21:54:37Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
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"mouser": {
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"status": "quota"
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},
"pins": [
{
"number": "1",
"name": "1OE",
"type": "input",
"description": "Output enable input for buffer 1, active high (H enables, L forces 1Y to high impedance)."
},
{
"number": "2",
"name": "1A",
"type": "input",
"description": "Data input of buffer 1; recommended input voltage range is 0 V to VCC."
},
{
"number": "3",
"name": "1Y",
"type": "output",
"description": "Data output of buffer 1, which goes to high impedance when 1OE is low; output clamp diodes are built in."
},
{
"number": "4",
"name": "2OE",
"type": "input",
"description": "Output enable input for buffer 2, active high (H enables, L forces 2Y to high impedance)."
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{
"number": "5",
"name": "2A",
"type": "input",
"description": "Data input of buffer 2; recommended input voltage range is 0 V to VCC."
},
{
"number": "6",
"name": "2Y",
"type": "output",
"description": "Data output of buffer 2, which goes to high impedance when 2OE is low; output clamp diodes are built in."
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{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "Ground reference, 0 V."
},
{
"number": "8",
"name": "3Y",
"type": "output",
"description": "Data output of buffer 3, which goes to high impedance when 3OE is low; output clamp diodes are built in."
},
{
"number": "9",
"name": "3A",
"type": "input",
"description": "Data input of buffer 3; recommended input voltage range is 0 V to VCC."
},
{
"number": "10",
"name": "3OE",
"type": "input",
"description": "Output enable input for buffer 3, active high (H enables, L forces 3Y to high impedance)."
},
{
"number": "11",
"name": "4Y",
"type": "output",
"description": "Data output of buffer 4, which goes to high impedance when 4OE is low; output clamp diodes are built in."
},
{
"number": "12",
"name": "4A",
"type": "input",
"description": "Data input of buffer 4; recommended input voltage range is 0 V to VCC."
},
{
"number": "13",
"name": "4OE",
"type": "input",
"description": "Output enable input for buffer 4, active high (H enables, L forces 4Y to high impedance)."
},
{
"number": "14",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; recommended range 2.0 V to 6.0 V, absolute maximum 7 V."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"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: Overview (page 3) says the outputs are inverting, but the function table (page 6) shows nY = nA when; The OE pins are named 'nOE' but the pin table calls them active high, and the overview says low forc; Package is SOP14 per the ordering table (SN74LS126DR(LX) listed as SOP14 with 1.27 mm pitch) and the"
],
"pages_sent": 19,
"cost_usd": 0.0698,
"at": "2026-10-18T21:52:22"
},
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"sha256": "d9607448f69fda2d",
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"cad": "KiCad official (CC-BY-SA 4.0)",
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"described": 14,
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{
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"metadata": {
"specs": {
"Manufacturer": "lingxingic",
"Package": "SOP-14",
"Category": "Logic",
"Pins": "14"
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"characteristics": {
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"source": "datasheet",
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"rows": [
{
"name": "电源电压",
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"min": -0.5,
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{
"name": "输入钳位电流",
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"typ": null,
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"conditions": "VI<-0.5V 或 VI>VCC+0.5V",
"source_page": 7,
"source": "datasheet"
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{
"name": "输出钳位电流",
"symbol": "IOK",
"kind": "absolute_maximum",
"unit": "mA",
"min": -20,
"typ": null,
"max": 20,
"conditions": "VO<-0.5V 或 VO>VCC+0.5V",
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{
"name": "输出电流",
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{
"name": "电源电流",
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{
"name": "地电流",
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{
"name": "总功耗",
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"typ": null,
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{
"name": "贮存温度",
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"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
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{
"name": "焊接温度",
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"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "10 s; SOP/TSSOP",
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{
"name": "电源电压",
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"unit": "V",
"min": 2,
"typ": 5,
"max": 6,
"conditions": "",
"source_page": 7,
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{
"name": "输入电压",
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"min": 0,
"typ": null,
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{
"name": "输出电压",
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"min": 0,
"typ": null,
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{
"name": "输入上升和下降转换速率",
"symbol": "Δt/ΔV",
"kind": "recommended_operating",
"unit": "ns/V",
"min": null,
"typ": null,
"max": 625,
"conditions": "VCC=2.0V",
"source_page": 7,
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{
"name": "输入上升和下降转换速率",
"symbol": "Δt/ΔV",
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"min": null,
"typ": 1.67,
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"conditions": "VCC=4.5V",
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{
"name": "输入上升和下降转换速率",
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{
"name": "工作环境温度",
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"min": -40,
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{
"name": "高电平输入电压",
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{
"name": "高电平输入电压",
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"min": 3.15,
"typ": null,
"max": null,
"conditions": "Tamb=-40~+125℃; VCC=4.5V",
"source_page": 10,
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{
"name": "高电平输入电压",
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"min": 4.2,
"typ": null,
"max": null,
"conditions": "Tamb=-40~+125℃; VCC=6.0V",
"source_page": 10,
"source": "datasheet"
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{
"name": "低电平输入电压",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "Tamb=-40~+125℃; VCC=2.0V",
"source_page": 10,
"source": "datasheet"
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{
"name": "低电平输入电压",
"symbol": "VIL",
"kind": "electrical",
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"min": null,
"typ": null,
"max": 1.35,
"conditions": "Tamb=-40~+125℃; VCC=4.5V",
"source_page": 10,
"source": "datasheet"
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{
"name": "低电平输入电压",
"symbol": "VIL",
"kind": "electrical",
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"min": null,
"typ": null,
"max": 1.8,
"conditions": "Tamb=-40~+125℃; VCC=6.0V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "高电平输出电压",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 1.9,
"typ": null,
"max": null,
"conditions": "Tamb=-40~+125℃; VI=VIH或VIL; IO=-20uA; VCC=2.0V",
"source_page": 10,
"source": "datasheet"
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{
"name": "高电平输出电压",
"symbol": "VOH",
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"min": 4.4,
"typ": null,
"max": null,
"conditions": "Tamb=-40~+125℃; VI=VIH或VIL; IO=-20uA; VCC=4.5V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "高电平输出电压",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 5.9,
"typ": null,
"max": null,
"conditions": "Tamb=-40~+125℃; VI=VIH或VIL; IO=-20uA; VCC=6.0V",
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"source": "datasheet"
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{
"name": "高电平输出电压",
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"typ": null,
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"conditions": "Tamb=-40~+125℃; VI=VIH或VIL; IO=-6.0mA; VCC=4.5V",
"source_page": 10,
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{
"name": "高电平输出电压",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 5.2,
"typ": null,
"max": null,
"conditions": "Tamb=-40~+125℃; VI=VIH或VIL; IO=-7.8mA; VCC=6.0V",
"source_page": 10,
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{
"name": "低电平输出电压",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "Tamb=-40~+125℃; VI=VIH或VIL; IO=20uA; VCC=2.0V",
"source_page": 10,
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{
"name": "低电平输出电压",
"symbol": "VOL",
"kind": "electrical",
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"min": null,
"typ": null,
"max": 0.4,
"conditions": "Tamb=-40~+125℃; VI=VIH或VIL; IO=6.0mA; VCC=4.5V",
"source_page": 10,
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{
"name": "输入漏电流",
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"kind": "electrical",
"unit": "uA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "Tamb=-40~+125℃; VI=VCC或GND; VCC=6.0V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "截止状态输出电流",
"symbol": "IOZ",
"kind": "electrical",
"unit": "uA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "Tamb=-40~+125℃; VI=VIH或VIL; VO=VCC或GND; VCC=6.0V",
"source_page": 10,
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{
"name": "静态电流",
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"typ": null,
"max": 160,
"conditions": "Tamb=-40~+125℃; VI=VCC或GND; IO=0A; VCC=6.0V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "nA到nY的传输延时",
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"kind": "timing",
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"min": null,
"typ": null,
"max": 150,
"conditions": "Tamb=-40~+125℃; 见图5; VCC=2.0V",
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"name": "nA到nY的传输延时",
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"conditions": "Tamb=-40~+125℃; 见图5; VCC=6.0V",
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"conditions": "Tamb=-40~+125℃; 见图6; VCC=2.0V",
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"conditions": "Tamb=-40~+125℃; 见图6; VCC=4.5V",
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{
"name": "nOE到nY的使能时间",
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"conditions": "Tamb=-40~+125℃; 见图6; VCC=6.0V",
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"name": "nOE到nY的失能时间",
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"typ": null,
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"conditions": "Tamb=-40~+125℃; 见图6; VCC=2.0V",
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"name": "nOE到nY的失能时间",
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"conditions": "Tamb=-40~+125℃; 见图6; VCC=4.5V",
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{
"name": "nOE到nY的失能时间",
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"conditions": "Tamb=-40~+125℃; 见图6; VCC=6.0V",
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{
"name": "转换时间",
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"typ": null,
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"conditions": "Tamb=-40~+125℃; 见图5; VCC=2.0V",
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