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74LVC1G66CT05ARCQ
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GR Analog Switches, Multiplexers, SC-70-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+51@@ -0,0 +1,51 @@+# 74LVC1G66CT05ARCQ++**GR** · Analog Switches, Multiplexers · SC-70-5++74LVC1G66CT05ARCQ from GR, in a SC-70-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | A | bidirectional | Bidirectional analog switch I/O terminal A. Connects to switch terminal B when control input C is high. Signal voltage range 0 V to VCC (up to 5.5 V peak). |+| 2 | B | bidirectional | Bidirectional analog switch I/O terminal B. Connects to switch terminal A when control input C is high. Signal voltage range 0 V to VCC (up to 5.5 V peak). |+| 3 | GND | power_in | Ground reference (0 V). |+| 4 | C | input | Digital control input for the analog switch. Low = switch OFF (A disconnected from B); High = switch ON. VIH = VCC × 0.65-0.7 depending on VCC range; VIL = VCC × 0.3-0.35. |+| 5 | VCC | power_in | Positive supply voltage input, 1.65 V to 5.5 V operating range (absolute max 6.5 V). Bypass with a local decoupling capacitor to GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | GR |+| Package | SC-70-5 |+| Category | Interface |+| Pins | 5 |++## Ordering variants++Same part, different packaging or reel option.++- `74LVC1G66CT05ARCQLT05ARCQ`+- `74LVC1G66CT05ARCQ`+- `74LVC1G66CT05ARCQDT05ARDQ`+- `74LVC1G66CT05ARCQBD06AREQ`+- `74LVC1G66CT05ARCQCD06AREQ`+- `74LVC1G66CT05ARCQAG05ARCQ`++## CAD (KiCad official)++- Symbol: `74LVC1G66CT05ARCQ`+- Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5`+- 3D model: SC-70-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [GR datasheet](docs/74lvc1g66ct05arcq-datasheet.pdf) (12 pp, sha256 `fca52bfef5407645`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/74lvc1g66ct05arcq-datasheet.pdf)
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