component
LS7184N-S
Public Made by Adomby adom
LSI/CSI Interface - Specialized, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"slug": "ls7184n-s",
"title": "LS7184N-S",
"brief": "LSI/CSI Interface - Specialized, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"manufacturer": "LSI/CSI",
"package": "SOIC-8",
"pin_count": 8,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "Interface - Specialized",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4d1d6b4bdc4142c2d22d4dbce66cd342.pdf",
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"digikey": "2808-LS7184N-S-ND"
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"description": "Input for external component connection; a resistor between this input and VSS sets the output clock pulse width TOW, with an external resistor range of 2K to 10MΩ."
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{
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{
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"description": "Negative supply voltage terminal, the reference for VDD and the RBIAS resistor."
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{
"number": "4",
"name": "A",
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"description": "Quadrature clock input A with built-in immunity to noise pulses shorter than 50ns (validation delay TVD); inhibited during directional output clocks."
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{
"number": "5",
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"description": "Quadrature clock input B with built-in immunity to noise pulses shorter than 50ns (validation delay TVD); inhibited during directional output clocks."
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"type": "input",
"description": "3-state input selecting resolution: logic 0 gives x1, logic 1 gives x2, and float gives x4."
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{
"number": "7",
"name": "UP/DN",
"type": "output",
"description": "Count direction output for LS7184N: goes high when A leads B (count UP) and goes low when A lags B (count DOWN)."
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{
"number": "8",
"name": "CLK",
"type": "output",
"description": "Combined UP and DOWN clock output for LS7184N, consisting of low-going pulses; the counter must count on the rising edge of CLK."
}
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The MPN LS7184N-S is not listed in the datasheet. It names the SOIC variant as LS7184NS and the DIP "
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"cost_usd": 0.0079,
"at": "2026-10-29T17:07:19"
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"sha256": "a7ef811d7232123d",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
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"metadata": {
"specs": {
"Manufacturer": "LSI/CSI",
"Package": "SOIC-8",
"Category": "Communication Interface Chip/UART/485/232",
"Pins": "8"
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{
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{
"name": "Input Current (A,B)",
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"min": null,
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{
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"min": 2,
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{
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"min": null,
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{
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{
"name": "Output Clock Pulse Width",
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{
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{
"name": "Validation Delay",
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"min": null,
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"conditions": "VDD = 12V",
"source_page": 2,
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}
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